September is close to Krishnagiri's year-round average, with average highs near 32.5°C and lows around 18.8°C (mean 25.7°C). It is a relatively wet time of year, averaging 149 mm of rainfall and 78% relative humidity across the period.
September is close to Krishnagiri's year-round average. Across 45 years of records, the warmest September in Krishnagiri was 2015 — when the month averaged 27.4°C — while the coldest was 2020 at 23.6°C. Typical September days reach 32.5°C with nights near 18.8°C. The long-term September temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.5°C | 25.6°C | 25.8°C | 25.7°C | 25.3°C | -0.2°C |
| Avg High | 32.6°C | 32.5°C | 32.6°C | 32.7°C | 31.7°C | -0.9°C |
| Avg Low | 18.5°C | 18.8°C | 18.9°C | 18.8°C | 18.8°C | +0.3°C |
| Avg Rain | 162 mm | 146 mm | 148 mm | 146 mm | 142 mm | -20 mm |
September temperatures in Krishnagiri have risen by about 0.3°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.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Krishnagiri
September is a good time to visit Krishnagiri, with days averaging 32.5°C and nights around 18.8°C (mean 25.7°C, close to Krishnagiri's yearly average) and higher rainfall. January and December are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.7°C | 19.3°C | 26.0°C | 148 mm | 80% | 2.4 m/s | 5.1 |
| 2024 | 33.5°C | 19.5°C | 26.5°C | 38 mm | 75% | 3 m/s | 5.4 |
| 2023 | 33.0°C | 19.4°C | 26.2°C | 168 mm | 79% | 2.7 m/s | 5.4 |
| 2022 | 30.0°C | 18.6°C | 24.3°C | 152 mm | 85% | 2.2 m/s | 5.1 |
| 2021 | 31.1°C | 18.8°C | 25.0°C | 141 mm | 80% | 2.5 m/s | 5.2 |
| 2020 ❄️ | 29.8°C | 17.4°C | 23.6°C | 202 mm | 85% | 2.6 m/s | 4.7 |
| 2019 | 31.4°C | 19.4°C | 25.4°C | 197 mm | 82% | 2.6 m/s | 5 |
| 2018 | 34.5°C | 18.4°C | 26.5°C | 122 mm | 71% | 2 m/s | 5.6 |
| 2017 🌧️ | 29.6°C | 18.4°C | 24.0°C | 285 mm | 85% | 1.9 m/s | 5.1 |
| 2016 | 34.2°C | 18.9°C | 26.5°C | 32 mm | 70% | 3 m/s | 4.9 |
| 2015 🔥 | 35.1°C | 19.8°C | 27.4°C | 104 mm | 71% | 2.3 m/s | 5.5 |
| 2014 | 34.4°C | 19.0°C | 26.7°C | 146 mm | 75% | 2.8 m/s | 5.3 |
| 2013 | 30.0°C | 18.3°C | 24.1°C | 228 mm | 84% | 2.4 m/s | 5.3 |
| 2012 | 33.7°C | 19.0°C | 26.3°C | 99 mm | 73% | 2.8 m/s | 5.3 |
| 2011 | 33.3°C | 18.3°C | 25.8°C | 119 mm | 74% | 2.9 m/s | 5.6 |
| 2010 | 30.3°C | 18.8°C | 24.5°C | 125 mm | 82% | 2.4 m/s | 5.1 |
| 2009 | 33.4°C | 19.1°C | 26.3°C | 226 mm | 79% | 2.6 m/s | 5.3 |
| 2008 | 30.2°C | 18.1°C | 24.1°C | 85 mm | 82% | 2.3 m/s | 5.6 |
| 2007 | 29.4°C | 17.9°C | 23.7°C | 164 mm | 85% | 2.7 m/s | 5.3 |
| 2006 | 33.7°C | 19.6°C | 26.6°C | 72 mm | 75% | 2.8 m/s | 5.3 |
| 2005 | 31.2°C | 19.4°C | 25.3°C | 149 mm | 82% | 2.7 m/s | 5.3 |
| 2004 | 32.8°C | 18.5°C | 25.6°C | 252 mm | 84% | 2 m/s | 4.8 |
| 2003 | 33.9°C | 19.4°C | 26.6°C | 79 mm | 73% | 2.9 m/s | 5.9 |
| 2002 | 35.7°C | 18.4°C | 27.1°C | 87 mm | 67% | 2.6 m/s | 5.9 |
| 2001 | 33.2°C | 19.2°C | 26.2°C | 192 mm | 79% | 1.9 m/s | 5.5 |
| 2000 | 32.3°C | 19.8°C | 26.1°C | 172 mm | 80% | 2.1 m/s | 5.4 |
| 1999 | 34.4°C | 19.2°C | 26.8°C | 137 mm | 72% | 2.7 m/s | 5.6 |
| 1998 | 29.7°C | 19.1°C | 24.4°C | 167 mm | 85% | 2.6 m/s | 5.2 |
| 1997 | 33.8°C | 19.1°C | 26.4°C | 161 mm | 80% | 2.1 m/s | 5 |
| 1996 | 29.6°C | 18.7°C | 24.2°C | 204 mm | 85% | 2.5 m/s | 4.6 |
| 1995 | 31.8°C | 19.2°C | 25.5°C | 146 mm | 80% | 2.9 m/s | 4.8 |
| 1994 | 35.0°C | 17.0°C | 26.0°C | 63 mm | 69% | 2.9 m/s | 5.3 |
| 1993 | 30.6°C | 18.4°C | 24.5°C | 148 mm | 79% | 2.5 m/s | 5 |
| 1992 | 33.5°C | 19.1°C | 26.3°C | 149 mm | 76% | 2.3 m/s | 4.6 |
| 1991 | 32.5°C | 18.6°C | 25.6°C | 156 mm | 78% | 2.1 m/s | 5.2 |
| 1990 | 33.7°C | 19.5°C | 26.6°C | 130 mm | 74% | 2.5 m/s | 5 |
| 1989 | 33.2°C | 18.5°C | 25.9°C | 174 mm | 79% | 2.3 m/s | 5 |
| 1988 | 30.4°C | 18.5°C | 24.5°C | 213 mm | 85% | 2.4 m/s | 5 |
| 1987 | 34.5°C | 19.6°C | 27.0°C | 91 mm | 74% | 2.2 m/s | 5 |
| 1986 | 34.3°C | 18.1°C | 26.2°C | 217 mm | 75% | 2.2 m/s | 5.5 |
| 1985 | 33.4°C | 18.6°C | 26.0°C | 112 mm | 75% | 2.3 m/s | 5.2 |
| 1984 | 33.8°C | 17.8°C | 25.8°C | 115 mm | 71% | 2.4 m/s | 5.2 |
| 1983 | 30.1°C | 17.6°C | 23.8°C | 208 mm | 83% | 3 m/s | — |
| 1982 | 34.6°C | 18.3°C | 26.4°C | 111 mm | 72% | 2.7 m/s | — |
| 1981 | 29.5°C | 19.2°C | 24.3°C | 216 mm | 85% | 2.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 32.5°C with lows near 18.8°C (mean 25.7°C), based on 45 years of NASA POWER data.
September averages 149 mm of rainfall in Krishnagiri, a relatively wet time of year. The wettest on record was 285 mm in 2017.
The hottest September reached 35.7°C in 2002. The coldest dipped to 17°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.3°C. Daytime highs moved from 32.3°C to 32.1°C and overnight lows from 18.3°C to 19.1°C over the same span.
September is close to Krishnagiri's year-round average and a relatively wet time of year, so plan for around 32.5°C daytime highs and 18.8°C at night.
Not quite — September is the 6th coolest month in Krishnagiri, averaging 25.7°C.
For September in Krishnagiri, pack light, breathable clothing and sun protection, with typical highs of 32.5°C and lows of 18.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 78% — quite humid.
Average wind speed in September is 2.5 m/s. The windiest September on record averaged 3 m/s (1983).
The wettest September on record was 2017 with 285 mm. On average, September sees 149 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
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.
