September is one of the cooler months of the year in Guntur, with average highs near 31.1°C and lows around 24.4°C (mean 27.8°C). It is a relatively wet time of year, averaging 167 mm of rainfall and 83% relative humidity across the period.
September is one of the cooler months of the year in Guntur. Across 45 years of records, the warmest September in Guntur was 2002 — when the month averaged 29.2°C — while the coldest was 1989 at 26.8°C. Typical September days reach 31.1°C with nights near 24.4°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Guntur, averaging 167 mm of rainfall. The wettest September on record was 1997 with 371 mm, while the driest was 2011 at 29 mm.
Relative humidity in Guntur during September averages 83%. The most humid September was 1988 at 89%, and the least humid was 1984 at 72%.
September receives about 4.8 kWh/m²/day of solar energy in Guntur. The sunniest September was 2002 at 5.5 kWh/m²/day, and the cloudiest was 2016 at 4.1.
Average wind speed in Guntur during September is 1.9 m/s. The windiest September was 1999 at 2.4 m/s, while the calmest were 2001 and 2018 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.9°C | 27.8°C | 27.8°C | 27.6°C | 27.7°C | -0.2°C |
| Avg High | 31.4°C | 31.3°C | 31.2°C | 30.9°C | 30.7°C | -0.7°C |
| Avg Low | 24.4°C | 24.4°C | 24.5°C | 24.4°C | 24.7°C | +0.3°C |
| Avg Rain | 143 mm | 176 mm | 168 mm | 157 mm | 202 mm | +60 mm |
September temperatures in Guntur have stayed relatively stable across the record.
September has ranged from a record low of 19.8°C (1994) to a record high of 37.6°C (2002).
Rainfall in September is a relatively wet time of year, averaging 167 mm, with a wettest year of 371 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Guntur
September is a good time to visit Guntur, with days averaging 31.1°C and nights around 24.4°C (mean 27.8°C, close to Guntur's yearly average) and higher rainfall. December and January are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.8°C | 27.7°C | 24.6°C | 32.5°C | 23.5°C | 158 mm | 86% | 1.9 m/s | 4.5 |
| 2024 | 30.7°C | 27.7°C | 24.6°C | 32.5°C | 23.3°C | 198 mm | 87% | 2.3 m/s | 4.3 |
| 2023 | 30.7°C | 27.9°C | 25.1°C | 33.4°C | 22.7°C | 225 mm | 87% | 1.8 m/s | 4.4 |
| 2022 | 30.9°C | 27.7°C | 24.5°C | 32.4°C | 22.6°C | 146 mm | 85% | 1.8 m/s | 4.4 |
| 2021 | 30.6°C | 27.6°C | 24.6°C | 32.9°C | 23.2°C | 219 mm | 86% | 1.8 m/s | 4.5 |
| 2020 | 30.4°C | 27.5°C | 24.7°C | 32.3°C | 22.8°C | 267 mm | 88% | 1.8 m/s | 4.5 |
| 2019 | 30.9°C | 27.7°C | 24.6°C | 34.0°C | 23.4°C | 206 mm | 86% | 2.2 m/s | 4.2 |
| 2018 | 31.1°C | 27.7°C | 24.2°C | 33.4°C | 22.7°C | 81 mm | 83% | 1.4 m/s | 5.2 |
| 2017 | 30.4°C | 27.5°C | 24.7°C | 31.8°C | 22.8°C | 122 mm | 87% | 1.5 m/s | 4.8 |
| 2016 | 30.4°C | 27.2°C | 24.0°C | 32.2°C | 22.0°C | 200 mm | 86% | 2.1 m/s | 4.1 |
| 2015 | 31.3°C | 27.9°C | 24.6°C | 34.0°C | 22.2°C | 140 mm | 83% | 1.6 m/s | 4.8 |
| 2014 | 31.2°C | 27.7°C | 24.2°C | 34.1°C | 22.8°C | 118 mm | 83% | 2.2 m/s | 4.7 |
| 2013 | 30.8°C | 27.5°C | 24.2°C | 32.4°C | 22.3°C | 109 mm | 85% | 1.8 m/s | 5.1 |
| 2012 | 30.4°C | 27.3°C | 24.3°C | 32.5°C | 23.4°C | 255 mm | 85% | 1.9 m/s | 4.7 |
| 2011 | 32.1°C | 28.3°C | 24.6°C | 35.5°C | 22.3°C | 29 mm | 80% | 2 m/s | 5.3 |
| 2010 | 30.0°C | 27.2°C | 24.4°C | 32.4°C | 23.5°C | 313 mm | 88% | 1.8 m/s | 4.6 |
| 2009 | 31.4°C | 28.1°C | 24.8°C | 33.9°C | 23.9°C | 152 mm | 84% | 1.9 m/s | 5 |
| 2008 | 30.4°C | 27.2°C | 23.9°C | 32.3°C | 21.1°C | 164 mm | 85% | 1.9 m/s | 4.9 |
| 2007 | 30.0°C | 27.2°C | 24.5°C | 32.2°C | 23.0°C | 211 mm | 89% | 2.2 m/s | 4.5 |
| 2006 | 31.1°C | 27.7°C | 24.4°C | 33.3°C | 23.1°C | 168 mm | 84% | 2 m/s | 5 |
| 2005 | 30.1°C | 27.4°C | 24.7°C | 33.0°C | 22.1°C | 358 mm | 87% | 2.2 m/s | 4.4 |
| 2004 | 31.7°C | 28.2°C | 24.8°C | 35.2°C | 24.0°C | 154 mm | 81% | 1.5 m/s | 4.9 |
| 2003 | 31.2°C | 27.9°C | 24.6°C | 34.7°C | 23.6°C | 149 mm | 83% | 2.1 m/s | 5.1 |
| 2002 🔥 | 34.0°C | 29.2°C | 24.5°C | 37.6°C | 23.1°C | 31 mm | 74% | 1.9 m/s | 5.5 |
| 2001 | 31.5°C | 28.1°C | 24.7°C | 35.2°C | 23.8°C | 150 mm | 81% | 1.4 m/s | 4.8 |
| 2000 | 30.3°C | 27.2°C | 24.1°C | 31.9°C | 23.4°C | 146 mm | 86% | 1.6 m/s | 5.3 |
| 1999 | 32.5°C | 28.7°C | 24.8°C | 36.0°C | 23.7°C | 90 mm | 77% | 2.4 m/s | 4.9 |
| 1998 | 30.7°C | 27.8°C | 24.9°C | 32.1°C | 23.9°C | 233 mm | 86% | 1.9 m/s | 4.8 |
| 1997 🌧️ | 30.4°C | 27.5°C | 24.6°C | 35.2°C | 23.3°C | 371 mm | 86% | 1.8 m/s | 4.8 |
| 1996 | 30.8°C | 27.6°C | 24.4°C | 32.0°C | 22.7°C | 116 mm | 85% | 1.7 m/s | 4.7 |
| 1995 | 31.0°C | 27.6°C | 24.2°C | 33.6°C | 22.9°C | 185 mm | 84% | 2.1 m/s | 4.5 |
| 1994 | 31.6°C | 27.6°C | 23.6°C | 34.3°C | 19.8°C | 67 mm | 78% | 2 m/s | 5.2 |
| 1993 | 31.4°C | 27.9°C | 24.5°C | 34.1°C | 23.5°C | 123 mm | 80% | 2.1 m/s | 4.7 |
| 1992 | 30.7°C | 27.2°C | 23.8°C | 32.3°C | 22.3°C | 185 mm | 83% | 1.8 m/s | 4.8 |
| 1991 | 31.8°C | 28.2°C | 24.7°C | 33.9°C | 22.8°C | 248 mm | 80% | 1.7 m/s | 4.5 |
| 1990 | 31.6°C | 28.0°C | 24.5°C | 34.3°C | 23.3°C | 146 mm | 80% | 1.8 m/s | 4.5 |
| 1989 ❄️ | 29.7°C | 26.8°C | 23.9°C | 32.0°C | 22.6°C | 153 mm | 87% | 1.9 m/s | 4.4 |
| 1988 | 29.7°C | 27.0°C | 24.4°C | 31.6°C | 22.9°C | 204 mm | 89% | 1.9 m/s | 4.3 |
| 1987 | 33.2°C | 29.1°C | 25.0°C | 35.9°C | 24.0°C | 83 mm | 77% | 1.8 m/s | 5.4 |
| 1986 | 33.5°C | 29.1°C | 24.7°C | 37.4°C | 23.1°C | 46 mm | 73% | 1.6 m/s | 5.4 |
| 1985 | 32.1°C | 28.1°C | 24.2°C | 35.2°C | 22.5°C | 46 mm | 77% | 1.9 m/s | 5.2 |
| 1984 | 33.0°C | 28.7°C | 24.5°C | 37.0°C | 23.2°C | 91 mm | 72% | 1.9 m/s | 5.1 |
| 1983 | 30.0°C | 27.1°C | 24.3°C | 31.9°C | 23.5°C | 314 mm | 88% | 2.3 m/s | — |
| 1982 | 31.2°C | 27.6°C | 24.0°C | 33.3°C | 21.5°C | 163 mm | 81% | 1.9 m/s | — |
| 1981 | 30.1°C | 27.2°C | 24.3°C | 32.5°C | 23.2°C | 185 mm | 87% | 2.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.1°C with lows near 24.4°C (mean 27.8°C), based on 45 years of NASA POWER data.
September averages 167 mm of rainfall in Guntur, a relatively wet time of year. The wettest on record was 371 mm in 1997.
The hottest September reached 37.6°C in 2002. The coldest dipped to 19.8°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have held steady by about 0°C — but days and nights have moved in opposite directions. Overnight lows rose from 24.3°C to 24.7°C while daytime highs eased from 31.3°C to 30.7°C, narrowing the gap between day and night.
September is one of the cooler months of the year in Guntur and a relatively wet time of year, so plan for around 31.1°C daytime highs and 24.4°C at night.
Not quite — September is the 6th coolest month in Guntur, averaging 27.8°C.
For September in Guntur, pack light, breathable clothing and sun protection, with typical highs of 31.1°C and lows of 24.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 83% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.4 m/s (1999).
The wettest September on record was 1997 with 371 mm. On average, September sees 167 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 Guntur 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.
