September is one of the warmer months of the year in Surendranagar, with average highs near 37°C and lows around 21.8°C (mean 29.4°C). It is a relatively wet time of year, averaging 115 mm of rainfall and 73% relative humidity across the period.
September is one of the warmer months of the year in Surendranagar. Across 45 years of records, the warmest September in Surendranagar was 1987 — when the month averaged 33.3°C — while the coldest was 1994 at 25.6°C. Typical September days reach 37°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 | 30.6°C | 29.5°C | 29.5°C | 28.7°C | 28.6°C | -2°C |
| Avg High | 38.8°C | 37.4°C | 37.4°C | 35.8°C | 34.9°C | -3.9°C |
| Avg Low | 22.4°C | 21.5°C | 21.5°C | 21.5°C | 22.4°C | 0°C |
| Avg Rain | 66 mm | 89 mm | 89 mm | 174 mm | 179 mm | +113 mm |
September temperatures in Surendranagar have fallen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.2°C (1994) to a record high of 43.1°C (1986).
Rainfall in September is a relatively wet time of year, averaging 115 mm, with a wettest year of 401 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 Surendranagar
September is a good time to visit Surendranagar, with days averaging 37°C and nights around 21.8°C (mean 29.4°C, warmer than Surendranagar'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 | 35.1°C | 21.6°C | 28.3°C | 154 mm | 81% | 2.4 m/s | 4.5 |
| 2024 | 34.2°C | 22.3°C | 28.2°C | 186 mm | 83% | 2.4 m/s | 4.8 |
| 2023 | 36.5°C | 22.9°C | 29.7°C | 158 mm | 76% | 2.7 m/s | 5 |
| 2022 | 34.0°C | 21.4°C | 27.7°C | 123 mm | 82% | 2.4 m/s | 5.2 |
| 2021 | 35.5°C | 24.2°C | 29.8°C | 337 mm | 83% | 2.6 m/s | 3.7 |
| 2020 | 34.0°C | 22.1°C | 28.0°C | 117 mm | 83% | 1.8 m/s | 5.1 |
| 2019 | 32.9°C | 24.0°C | 28.5°C | 332 mm | 88% | 2.2 m/s | 3.9 |
| 2018 | 38.9°C | 20.9°C | 29.9°C | 29 mm | 68% | 2.3 m/s | 5.3 |
| 2017 | 34.9°C | 21.7°C | 28.3°C | 58 mm | 79% | 1.8 m/s | 5.1 |
| 2016 | 36.3°C | 21.1°C | 28.7°C | 95 mm | 73% | 2.5 m/s | 5.5 |
| 2015 | 39.2°C | 20.3°C | 29.7°C | 126 mm | 67% | 2.3 m/s | 5.5 |
| 2014 | 35.2°C | 21.8°C | 28.5°C | 119 mm | 78% | 2.2 m/s | 4.8 |
| 2013 🌧️ | 38.3°C | 22.4°C | 30.3°C | 401 mm | 77% | 2.7 m/s | 4.9 |
| 2012 | 36.0°C | 21.5°C | 28.8°C | 232 mm | 80% | 2.5 m/s | 4.8 |
| 2011 | 32.9°C | 20.7°C | 26.8°C | 176 mm | 84% | 2.3 m/s | 4.9 |
| 2010 | 33.7°C | 20.8°C | 27.3°C | 169 mm | 83% | 2.1 m/s | 4.9 |
| 2009 | 38.3°C | 21.2°C | 29.8°C | 18 mm | 73% | 2.4 m/s | 6.1 |
| 2008 | 37.2°C | 19.7°C | 28.4°C | 213 mm | 78% | 2.2 m/s | 5.1 |
| 2007 | 34.4°C | 21.3°C | 27.8°C | 164 mm | 84% | 2.1 m/s | 5.2 |
| 2006 | 34.1°C | 22.5°C | 28.3°C | 115 mm | 82% | 2.1 m/s | 5.3 |
| 2005 | 36.3°C | 20.7°C | 28.5°C | 259 mm | 82% | 2.4 m/s | 4.7 |
| 2004 | 35.3°C | 21.8°C | 28.5°C | 24 mm | 78% | 2 m/s | 5.6 |
| 2003 | 34.6°C | 22.1°C | 28.4°C | 35 mm | 80% | 2.4 m/s | 4.8 |
| 2002 | 40.7°C | 20.9°C | 30.8°C | 32 mm | 61% | 2.6 m/s | 5.8 |
| 2001 | 41.3°C | 23.0°C | 32.2°C | 19 mm | 61% | 2.4 m/s | 5.6 |
| 2000 | 41.8°C | 22.2°C | 32.0°C | 7 mm | 58% | 2.5 m/s | 5.6 |
| 1999 | 40.2°C | 24.6°C | 32.4°C | 50 mm | 51% | 3 m/s | 5.4 |
| 1998 | 37.1°C | 22.9°C | 30.0°C | 114 mm | 75% | 2.8 m/s | 5.2 |
| 1997 | 35.4°C | 20.0°C | 27.7°C | 97 mm | 76% | 2.3 m/s | 5.3 |
| 1996 | 38.2°C | 21.7°C | 30.0°C | 30 mm | 69% | 2.2 m/s | 5.2 |
| 1995 | 40.0°C | 21.9°C | 31.0°C | 47 mm | 61% | 2.7 m/s | 5.7 |
| 1994 ❄️ | 33.0°C | 18.2°C | 25.6°C | 239 mm | 79% | 2.4 m/s | 5.5 |
| 1993 | 39.9°C | 22.8°C | 31.4°C | 102 mm | 60% | 2.9 m/s | 5.7 |
| 1992 | 36.6°C | 19.8°C | 28.2°C | 108 mm | 73% | 2.5 m/s | 5.5 |
| 1991 | 39.3°C | 21.6°C | 30.5°C | 15 mm | 63% | 2.4 m/s | 5.3 |
| 1990 | 34.2°C | 21.5°C | 27.8°C | 89 mm | 78% | 2.3 m/s | 5.2 |
| 1989 | 38.2°C | 22.8°C | 30.5°C | 35 mm | 66% | 2 m/s | 5.6 |
| 1988 | 35.4°C | 23.5°C | 29.4°C | 139 mm | 80% | 2.1 m/s | 5.6 |
| 1987 🔥 | 42.7°C | 23.9°C | 33.3°C | 0 mm | 50% | 2.8 m/s | 6.3 |
| 1986 | 43.1°C | 22.9°C | 33.0°C | 0 mm | 44% | 2.5 m/s | 6.1 |
| 1985 | 40.0°C | 22.2°C | 31.1°C | 42 mm | 60% | 2.5 m/s | 5.7 |
| 1984 | 37.2°C | 20.2°C | 28.7°C | 152 mm | 69% | 2.6 m/s | 5.5 |
| 1983 | 38.0°C | 22.6°C | 30.3°C | 71 mm | 73% | 2.2 m/s | — |
| 1982 | 38.5°C | 20.3°C | 29.4°C | 13 mm | 67% | 2.2 m/s | — |
| 1981 | 36.1°C | 23.0°C | 29.6°C | 138 mm | 77% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 37°C with lows near 21.8°C (mean 29.4°C), based on 45 years of NASA POWER data.
September averages 115 mm of rainfall in Surendranagar, a relatively wet time of year. The wettest on record was 401 mm in 2013.
The hottest September reached 43.1°C in 1986. The coldest dipped to 18.2°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 1.1°C. Daytime highs moved from 38°C to 35.1°C and overnight lows from 21.7°C to 22.5°C over the same span.
September is one of the warmer months of the year in Surendranagar and a relatively wet time of year, so plan for around 37°C daytime highs and 21.8°C at night.
Not quite — September is the 7th coolest month in Surendranagar, averaging 29.4°C.
For September in Surendranagar, pack light, breathable clothing and sun protection, with typical highs of 37°C and lows of 21.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 73% — moderately humid.
Average wind speed in September is 2.4 m/s. The windiest September on record averaged 3 m/s (1999).
The wettest September on record was 2013 with 401 mm. On average, September sees 115 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 Surendranagar 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.
