Krishnagiri Weather in September (1981–2025)

📍 12.53°N, 78.23°E •
📊

September at a Glance in Krishnagiri

(1981–2025)
Avg High
🔥
29.7°C
Avg Low
❄️
20.4°C
Avg Temp
🌡️
25.0°C
Avg Rain
🌧️
149 mm
Avg Humidity
💧
78%
Avg Wind
🌬️
2.5 m/s
Avg Solar
☀️
5.2
kWh/m²/day
vs Annual
📈
-0.4°C
temp difference
🌡️Warm afternoons🌙Mild mornings☀️Very sunny🌧️Wet month🍃Light winds💦Humid air

Krishnagiri September Weather Overview

September is close to Krishnagiri's year-round average, with average highs near 29.7°C and lows around 20.4°C (mean 25°C). It is a relatively wet time of year, averaging 149 mm of rainfall and 78% relative humidity across the period.

Krishnagiri September Temperature History (1981–2025)

Range

September is close to Krishnagiri's year-round average. Across 45 years of records, the warmest September in Krishnagiri was 2002 — when the month averaged 26.7°C — while the coldest were 1983, 1988 and 1996, among others at 23.9°C. Typical September days reach 29.7°C with nights near 20.4°C. The long-term September temperature trend is broadly flat.

1981–1985 vs 2021–2025

Avg Temp24.8°C→25.2°C+0.4°C
Max Temp29.5°C→29.6°C+0.1°C
Min Temp20.0°C→20.7°C+0.7°C

Trend (per decade)

Avg Temp+0.1°C/decade ↗
Max Temp+0.1°C/decade ↗
Min Temp+0.1°C/decade ↗

Distribution of Avg Temp

23.0°C–24.0°C4 yr (9%)
24.0°C–25.0°C17 yr (38%)
25.0°C–26.0°C18 yr (40%)
26.0°C–27.0°C6 yr (13%)

Krishnagiri September Rainfall History (1981–2025)

Range

September is a relatively wet time of year in Krishnagiri, averaging 149 mm of rainfall. The wettest September on record was 2017 with 285 mm, while the driest was 2016 at 32 mm.

Krishnagiri September Humidity History (1981–2025)

Range

Relative humidity in Krishnagiri during September averages 78%. The most humid Septembers were 1981 and 1996 at 85%, and the least humid was 2002 at 67%.

Krishnagiri September Solar History (1981–2025)

Range

September receives about 5.2 kWh/m²/day of solar energy in Krishnagiri. The sunniest Septembers were 2002 and 2003 at 5.9 kWh/m²/day, and the cloudiest were 1992 and 1996 at 4.6.

Krishnagiri September Wind History (1981–2025)

Range

Average wind speed in Krishnagiri during September is 2.5 m/s. The windiest Septembers were 1983, 2016 and 2024 at 3 m/s, while the calmest were 2001 and 2017 at 1.9 m/s.

What September Feels Like in Krishnagiri

🌅
Mild
Morning
🌞
Warm
Afternoon
🌆
Mild
Evening
Rain chanceHigh
Outdoor comfort★★★☆☆

How September Ranks in Krishnagiri

🥶6th coolest month of the year
🌧️2nd wettest month of the year
☀️6th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Krishnagiri Weather by Month

Krishnagiri September Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp24.8°C24.9°C25.0°C25.4°C25.0°C+0.2°C
Avg High29.5°C29.6°C29.5°C30.2°C29.3°C-0.2°C
Avg Low20.2°C20.3°C20.5°C20.5°C20.7°C+0.5°C
Avg Rain162 mm146 mm148 mm146 mm142 mm-20 mm

Extreme September Records in Krishnagiri

🔥Warmest September35.7°C2002
🧊Coldest September17.0°C1994
🌧️Wettest September285 mm2017
🏜️Driest September32 mm2016
🌬️Windiest September3 m/s1983

Key Insights for September

✅

September temperatures in Krishnagiri have risen by about 0.4°C between 1981–1985 and 2021–2025.

✅

September has ranged from a record low of 17°C (1994) to a record high of 35.7°C (2002).

✅

Rainfall in September is a relatively wet time of year, averaging 149 mm, with a wettest year of 285 mm.

Is September a Good Time to Visit Krishnagiri?

A quieter season to visit Krishnagiri

If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Krishnagiri. That said, September — with days averaging 29.7°C and nights around 20.4°C (mean 25°C) and higher rainfall (149 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.

See Krishnagiri's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Krishnagiri Weather in September — In Depth

☀️ September climate overview

September is close to Krishnagiri's year-round average, with average highs near 29.7°C and lows around 20.4°C (mean 25°C). It is a relatively wet time of year, averaging 149 mm of rainfall and 78% relative humidity across the period.

🌧️ Rain, humidity & wind in September

September averages 149 mm of rainfall in Krishnagiri, a relatively wet time of year compared with the rest of the year. The wettest September on record saw 285 mm (2017), and the driest just 32 mm (2016). Humidity sits around 78% and average wind speed is 2.5 m/s, with solar radiation averaging 5.2 kWh/m²/day.

📈 How September has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.4°C. Daytime highs moved from 29.5°C to 29.6°C and overnight lows from 20°C to 20.7°C over the same span.
September Weather in Krishnagiri, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202529.4°C25.2°C21.0°C32.7°C19.3°C148 mm80%2.4 m/s5.1
202431.3°C26.1°C21.0°C33.5°C19.5°C38 mm75%3 m/s5.4
202329.9°C25.4°C20.9°C33.0°C19.4°C168 mm79%2.7 m/s5.4
202228.1°C24.1°C20.2°C30.0°C18.6°C152 mm85%2.2 m/s5.1
202129.4°C25.0°C20.6°C31.1°C18.8°C141 mm80%2.5 m/s5.2
202027.9°C24.1°C20.3°C29.8°C17.4°C202 mm85%2.6 m/s4.7
201929.0°C24.9°C20.8°C31.4°C19.4°C197 mm82%2.6 m/s5
201832.1°C26.5°C20.9°C34.5°C18.4°C122 mm71%2 m/s5.6
2017 🌧️28.0°C24.4°C20.8°C29.6°C18.4°C285 mm85%1.9 m/s5.1
201631.6°C25.9°C20.2°C34.2°C18.9°C32 mm70%3 m/s4.9
201532.0°C26.6°C21.2°C35.1°C19.8°C104 mm71%2.3 m/s5.5
201431.0°C25.8°C20.6°C34.4°C19.0°C146 mm75%2.8 m/s5.3
201328.1°C24.1°C20.2°C30.0°C18.3°C228 mm84%2.4 m/s5.3
201230.9°C25.7°C20.4°C33.7°C19.0°C99 mm73%2.8 m/s5.3
201130.9°C25.5°C20.2°C33.3°C18.3°C119 mm74%2.9 m/s5.6
201028.8°C24.5°C20.1°C30.3°C18.8°C125 mm82%2.4 m/s5.1
200929.6°C25.2°C20.9°C33.4°C19.1°C226 mm79%2.6 m/s5.3
200828.3°C24.0°C19.8°C30.2°C18.1°C85 mm82%2.3 m/s5.6
200728.1°C24.1°C20.1°C29.4°C17.9°C164 mm85%2.7 m/s5.3
200630.8°C25.8°C20.8°C33.7°C19.6°C72 mm75%2.8 m/s5.3
200529.0°C24.8°C20.6°C31.2°C19.4°C149 mm82%2.7 m/s5.3
200427.5°C24.0°C20.4°C32.8°C18.5°C252 mm84%2 m/s4.8
200331.2°C25.9°C20.6°C33.9°C19.4°C79 mm73%2.9 m/s5.9
2002 🔥32.6°C26.7°C20.8°C35.7°C18.4°C87 mm67%2.6 m/s5.9
200128.9°C24.8°C20.7°C33.2°C19.2°C192 mm79%1.9 m/s5.5
200029.2°C24.9°C20.7°C32.3°C19.8°C172 mm80%2.1 m/s5.4
199931.4°C25.9°C20.4°C34.4°C19.2°C137 mm72%2.7 m/s5.6
199827.9°C24.2°C20.4°C29.7°C19.1°C167 mm85%2.6 m/s5.2
199729.3°C25.0°C20.7°C33.8°C19.1°C161 mm80%2.1 m/s5
199627.6°C23.9°C20.1°C29.6°C18.7°C204 mm85%2.5 m/s4.6
199529.1°C24.7°C20.3°C31.8°C19.2°C146 mm80%2.9 m/s4.8
199431.8°C26.0°C20.2°C35.0°C17.0°C63 mm69%2.9 m/s5.3
199328.9°C24.4°C19.8°C30.6°C18.4°C148 mm79%2.5 m/s5
199229.9°C25.1°C20.3°C33.5°C19.1°C149 mm76%2.3 m/s4.6
199129.2°C24.8°C20.4°C32.5°C18.6°C156 mm78%2.1 m/s5.2
199030.5°C25.4°C20.3°C33.7°C19.5°C130 mm74%2.5 m/s5
198928.8°C24.4°C20.1°C33.2°C18.5°C174 mm79%2.3 m/s5
198827.8°C23.9°C20.1°C30.4°C18.5°C213 mm85%2.4 m/s5
198731.0°C26.0°C21.0°C34.5°C19.6°C91 mm74%2.2 m/s5
198629.9°C25.1°C20.4°C34.3°C18.1°C217 mm75%2.2 m/s5.5
198530.0°C25.0°C20.0°C33.4°C18.6°C112 mm75%2.3 m/s5.2
198431.2°C25.7°C20.1°C33.8°C17.8°C115 mm71%2.4 m/s5.2
198328.2°C23.9°C19.6°C30.1°C17.6°C208 mm83%3 m/s—
198230.7°C25.3°C19.9°C34.6°C18.3°C111 mm72%2.7 m/s—
1981 ❄️27.6°C23.9°C20.2°C29.5°C19.2°C216 mm85%2.1 m/s—

Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.

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Krishnagiri September Weather — FAQ

What is the average temperature in Krishnagiri in September?▼

The average high in September is around 29.7°C with lows near 20.4°C (mean 25°C), based on 45 years of NASA POWER data.

Does it rain a lot in Krishnagiri in September?▼

September averages 149 mm of rainfall in Krishnagiri, a relatively wet time of year. The wettest on record was 285 mm in 2017.

What was the hottest September on record in Krishnagiri?▼

The hottest September reached 35.7°C in 2002. The coldest dipped to 17°C in 1994.

Has September in Krishnagiri gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.4°C. Daytime highs moved from 29.5°C to 29.6°C and overnight lows from 20°C to 20.7°C over the same span.

Is September a good time to visit Krishnagiri?▼

September is close to Krishnagiri's year-round average and a relatively wet time of year, so plan for around 29.7°C daytime highs and 20.4°C at night.

Is September the coldest month in Krishnagiri?▼

Not quite — September is the 6th coolest month in Krishnagiri, averaging 25°C.

What should I pack for Krishnagiri in September?▼

For September in Krishnagiri, pack light layers you can adjust through the day, with typical highs of 29.7°C and lows of 20.4°C. Bring an umbrella or light rain jacket too.

Is Krishnagiri humid in September?▼

Relative humidity in September averages 78% — quite humid.

How windy is Krishnagiri in September?▼

Average wind speed in September is 2.5 m/s. The windiest September on record averaged 3 m/s (1983).

Which September had the most rainfall in Krishnagiri?▼

The wettest September on record was 2017 with 285 mm. On average, September sees 149 mm.

Where does this September weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

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Explore how the weather in Krishnagiri behaves each September, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for September specifically, along with year-by-year records and how the month has changed over the decades.