September is one of the warmer months of the year in Gandhinagar, with average highs near 36.1°C and lows around 21.8°C (mean 29°C). It is a relatively wet time of year, averaging 110 mm of rainfall and 75% relative humidity across the period.
September is one of the warmer months of the year in Gandhinagar. Across 45 years of records, the warmest September in Gandhinagar was 1987 — when the month averaged 32.7°C — while the coldest was 1994 at 25°C. Typical September days reach 36.1°C with nights near 21.8°C. The long-term trend is cooling, about 0.5°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.1°C | 29.0°C | 29.2°C | 28.1°C | 28.2°C | -1.9°C |
| Avg High | 38.1°C | 36.3°C | 36.8°C | 34.8°C | 34.0°C | -4.1°C |
| Avg Low | 22.2°C | 21.7°C | 21.7°C | 21.4°C | 22.5°C | +0.3°C |
| Avg Rain | 48 mm | 110 mm | 83 mm | 149 mm | 180 mm | +132 mm |
September temperatures in Gandhinagar have fallen by about 0.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.3°C (1994) to a record high of 42.1°C (1986).
Rainfall in September is a relatively wet time of year, averaging 110 mm, with a wettest year of 360 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.9°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Gandhinagar
September is a good time to visit Gandhinagar, with days averaging 36.1°C and nights around 21.8°C (mean 29°C, close to Gandhinagar's yearly average) and higher rainfall. December and January are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.9°C | 22.4°C | 28.1°C | 167 mm | 85% | 2.2 m/s | 4.5 |
| 2024 | 32.5°C | 22.3°C | 27.4°C | 215 mm | 87% | 2.2 m/s | 4.5 |
| 2023 | 35.5°C | 22.6°C | 29.1°C | 227 mm | 80% | 2.3 m/s | 4.9 |
| 2022 | 33.7°C | 21.4°C | 27.5°C | 81 mm | 85% | 2.1 m/s | 5.2 |
| 2021 | 35.6°C | 24.4°C | 30.0°C | 274 mm | 84% | 2.4 m/s | 4.1 |
| 2020 | 32.7°C | 22.0°C | 27.3°C | 114 mm | 85% | 1.5 m/s | 5.1 |
| 2019 | 32.4°C | 24.2°C | 28.3°C | 286 mm | 89% | 1.9 m/s | 4 |
| 2018 | 38.9°C | 21.0°C | 29.9°C | 43 mm | 71% | 1.9 m/s | 5 |
| 2017 | 33.1°C | 20.9°C | 27.0°C | 66 mm | 81% | 1.5 m/s | 5.2 |
| 2016 | 35.7°C | 21.2°C | 28.4°C | 76 mm | 75% | 2 m/s | 5.5 |
| 2015 | 39.2°C | 20.1°C | 29.6°C | 100 mm | 69% | 2 m/s | 5.6 |
| 2014 | 33.2°C | 21.8°C | 27.5°C | 165 mm | 83% | 1.8 m/s | 4.8 |
| 2013 | 36.9°C | 22.2°C | 29.5°C | 257 mm | 80% | 2.1 m/s | 5 |
| 2012 | 34.3°C | 21.3°C | 27.8°C | 242 mm | 83% | 2 m/s | 4.7 |
| 2011 | 32.1°C | 20.9°C | 26.5°C | 115 mm | 86% | 2.1 m/s | 4.7 |
| 2010 | 32.5°C | 20.7°C | 26.6°C | 140 mm | 84% | 1.9 m/s | 5 |
| 2009 | 39.2°C | 21.7°C | 30.5°C | 23 mm | 74% | 2 m/s | 6.4 |
| 2008 | 36.1°C | 20.4°C | 28.2°C | 150 mm | 80% | 1.7 m/s | 5.4 |
| 2007 | 33.4°C | 21.0°C | 27.2°C | 101 mm | 85% | 1.7 m/s | 5.4 |
| 2006 | 32.7°C | 22.4°C | 27.6°C | 133 mm | 86% | 1.7 m/s | 5.3 |
| 2005 | 35.5°C | 21.2°C | 28.4°C | 305 mm | 83% | 1.9 m/s | 4.8 |
| 2004 | 34.2°C | 21.7°C | 27.9°C | 28 mm | 82% | 1.6 m/s | 5.8 |
| 2003 | 33.3°C | 22.1°C | 27.7°C | 29 mm | 84% | 2.1 m/s | 4.8 |
| 2002 | 40.5°C | 20.9°C | 30.7°C | 55 mm | 60% | 2.2 m/s | 6 |
| 2001 | 41.9°C | 22.7°C | 32.3°C | 6 mm | 55% | 2.1 m/s | 5.9 |
| 2000 | 40.8°C | 22.7°C | 31.7°C | 5 mm | 57% | 1.9 m/s | 5.6 |
| 1999 | 40.0°C | 25.2°C | 32.6°C | 36 mm | 52% | 2.6 m/s | 5.6 |
| 1998 | 35.3°C | 22.9°C | 29.1°C | 122 mm | 80% | 2.3 m/s | 5.2 |
| 1997 | 34.5°C | 20.4°C | 27.4°C | 84 mm | 82% | 1.9 m/s | 5.5 |
| 1996 | 35.5°C | 21.3°C | 28.4°C | 60 mm | 76% | 1.8 m/s | 5.3 |
| 1995 | 39.7°C | 22.2°C | 30.9°C | 59 mm | 60% | 2.2 m/s | 5.9 |
| 1994 ❄️ 🌧️ | 31.8°C | 18.3°C | 25.0°C | 360 mm | 83% | 2 m/s | 5.3 |
| 1993 | 39.0°C | 23.6°C | 31.3°C | 90 mm | 60% | 2.3 m/s | 5.8 |
| 1992 | 35.9°C | 19.1°C | 27.5°C | 157 mm | 74% | 2 m/s | 5.4 |
| 1991 | 38.9°C | 21.8°C | 30.3°C | 10 mm | 64% | 2 m/s | 5.6 |
| 1990 | 32.4°C | 21.7°C | 27.0°C | 118 mm | 83% | 2 m/s | 5.2 |
| 1989 | 37.6°C | 22.3°C | 30.0°C | 14 mm | 70% | 1.7 m/s | 5.8 |
| 1988 | 36.3°C | 23.5°C | 29.9°C | 86 mm | 80% | 2 m/s | 5.7 |
| 1987 🔥 | 41.8°C | 23.6°C | 32.7°C | 1 mm | 51% | 2.4 m/s | 6.3 |
| 1986 | 42.1°C | 22.8°C | 32.5°C | 0 mm | 45% | 2 m/s | 6.3 |
| 1985 | 40.3°C | 22.5°C | 31.4°C | 19 mm | 56% | 2.4 m/s | 6.1 |
| 1984 | 36.6°C | 20.7°C | 28.6°C | 83 mm | 73% | 2.1 m/s | 5.5 |
| 1983 | 36.8°C | 22.1°C | 29.5°C | 89 mm | 78% | 1.8 m/s | — |
| 1982 | 36.9°C | 19.4°C | 28.1°C | 5 mm | 74% | 1.8 m/s | — |
| 1981 | 34.5°C | 22.7°C | 28.6°C | 134 mm | 81% | 1.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 36.1°C with lows near 21.8°C (mean 29°C), based on 45 years of NASA POWER data.
September averages 110 mm of rainfall in Gandhinagar, a relatively wet time of year. The wettest on record was 360 mm in 1994.
The hottest September reached 42.1°C in 1986. The coldest dipped to 18.3°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.8°C. Daytime highs moved from 37°C to 34.2°C and overnight lows from 21.5°C to 22.6°C over the same span.
September is one of the warmer months of the year in Gandhinagar and a relatively wet time of year, so plan for around 36.1°C daytime highs and 21.8°C at night.
Not quite — September is the 7th coolest month in Gandhinagar, averaging 29°C.
For September in Gandhinagar, pack light, breathable clothing and sun protection, with typical highs of 36.1°C and lows of 21.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 75% — quite humid.
Average wind speed in September is 2 m/s. The windiest September on record averaged 2.6 m/s (1999).
The wettest September on record was 1994 with 360 mm. On average, September sees 110 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 Gandhinagar 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.
