September is one of the warmer months of the year in Birbhum, with average highs near 33.1°C and lows around 22.8°C (mean 28°C). It is a relatively wet time of year, averaging 206 mm of rainfall and 87% relative humidity across the period.
September is one of the warmer months of the year in Birbhum. Across 45 years of records, the warmest September in Birbhum was 1992 — when the month averaged 30°C — while the coldest was 1984 at 25.7°C. Typical September days reach 33.1°C with nights near 22.8°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 | 28.1°C | 27.8°C | 27.9°C | 27.7°C | 28.4°C | +0.3°C |
| Avg High | 33.8°C | 33.1°C | 32.7°C | 32.8°C | 32.9°C | -0.9°C |
| Avg Low | 22.3°C | 22.6°C | 23.1°C | 22.6°C | 23.9°C | +1.6°C |
| Avg Rain | 158 mm | 172 mm | 231 mm | 223 mm | 264 mm | +106 mm |
September temperatures in Birbhum have risen by about 1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.3°C (1984) to a record high of 37.5°C (1992).
Rainfall in September is a relatively wet time of year, averaging 206 mm, with a wettest year of 425 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Birbhum
September is a good time to visit Birbhum, with days averaging 33.1°C and nights around 22.8°C (mean 28°C, warmer than Birbhum's yearly average) and higher rainfall. February and November are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.0°C | 24.0°C | 28.0°C | 185 mm | 88% | 1.5 m/s | 4.4 |
| 2024 🌧️ | 33.4°C | 24.4°C | 28.9°C | 425 mm | 90% | 2.1 m/s | 4.3 |
| 2023 | 34.0°C | 24.7°C | 29.3°C | 277 mm | 88% | 1.8 m/s | 4.1 |
| 2022 | 32.6°C | 23.7°C | 28.2°C | 197 mm | 88% | 1.7 m/s | 4.2 |
| 2021 | 32.7°C | 23.7°C | 28.2°C | 289 mm | 90% | 1.9 m/s | 4.2 |
| 2020 | 32.6°C | 23.1°C | 27.9°C | 208 mm | 90% | 1.6 m/s | 4.3 |
| 2019 | 33.3°C | 22.1°C | 27.7°C | 270 mm | 88% | 1.9 m/s | 4.1 |
| 2018 | 32.7°C | 22.9°C | 27.8°C | 165 mm | 86% | 1.7 m/s | 4.5 |
| 2017 | 33.1°C | 24.3°C | 28.7°C | 193 mm | 89% | 1.5 m/s | 4.4 |
| 2016 | 32.1°C | 24.1°C | 28.1°C | 317 mm | 89% | 1.5 m/s | 4.5 |
| 2015 | 33.5°C | 22.2°C | 27.8°C | 158 mm | 83% | 1.5 m/s | 4.9 |
| 2014 | 33.1°C | 22.6°C | 27.8°C | 186 mm | 86% | 1.6 m/s | 4.9 |
| 2013 | 32.4°C | 23.8°C | 28.1°C | 195 mm | 87% | 1.6 m/s | 4.5 |
| 2012 | 32.6°C | 20.6°C | 26.6°C | 217 mm | 88% | 1.8 m/s | 4.7 |
| 2011 | 31.7°C | 22.1°C | 26.9°C | 291 mm | 90% | 2.4 m/s | 4.2 |
| 2010 | 33.2°C | 21.6°C | 27.4°C | 235 mm | 86% | 1.7 m/s | 4.5 |
| 2009 | 33.0°C | 24.1°C | 28.6°C | 265 mm | 89% | 1.8 m/s | 4.8 |
| 2008 | 33.2°C | 22.2°C | 27.7°C | 201 mm | 87% | 1.6 m/s | 4.4 |
| 2007 | 31.9°C | 23.5°C | 27.7°C | 339 mm | 90% | 2.1 m/s | 4.3 |
| 2006 | 32.8°C | 23.6°C | 28.2°C | 295 mm | 88% | 2 m/s | 4.6 |
| 2005 | 32.9°C | 23.6°C | 28.2°C | 143 mm | 87% | 1.8 m/s | 4.8 |
| 2004 | 32.5°C | 23.2°C | 27.8°C | 236 mm | 90% | 2.5 m/s | 4.2 |
| 2003 | 33.2°C | 24.1°C | 28.7°C | 152 mm | 88% | 1.8 m/s | 4.4 |
| 2002 | 32.8°C | 22.8°C | 27.8°C | 215 mm | 88% | 1.8 m/s | 4.7 |
| 2001 | 32.2°C | 23.1°C | 27.7°C | 204 mm | 87% | 1.4 m/s | 4.7 |
| 2000 | 32.7°C | 20.9°C | 26.8°C | 265 mm | 88% | 2.1 m/s | 4.2 |
| 1999 | 31.2°C | 23.6°C | 27.4°C | 196 mm | 92% | 2.2 m/s | 4.2 |
| 1998 | 32.5°C | 24.0°C | 28.2°C | 223 mm | 89% | 1.7 m/s | 4.5 |
| 1997 | 31.7°C | 20.5°C | 26.1°C | 172 mm | 88% | 1.7 m/s | 4.4 |
| 1996 | 33.4°C | 23.6°C | 28.5°C | 63 mm | 84% | 1.6 m/s | 4.8 |
| 1995 | 33.0°C | 22.9°C | 28.0°C | 219 mm | 87% | 2.2 m/s | 4 |
| 1994 | 33.2°C | 19.3°C | 26.2°C | 75 mm | 80% | 2.2 m/s | 4.8 |
| 1993 | 32.9°C | 23.5°C | 28.2°C | 167 mm | 87% | 2.2 m/s | 3.9 |
| 1992 🔥 | 37.5°C | 22.6°C | 30.0°C | 89 mm | 75% | 2.3 m/s | 4.8 |
| 1991 | 32.8°C | 22.2°C | 27.5°C | 275 mm | 88% | 1.8 m/s | 4.1 |
| 1990 | 32.9°C | 23.4°C | 28.2°C | 243 mm | 88% | 1.9 m/s | 4.2 |
| 1989 | 35.5°C | 23.9°C | 29.7°C | 197 mm | 84% | 2 m/s | 4.5 |
| 1988 | 34.1°C | 23.6°C | 28.9°C | 110 mm | 86% | 1.6 m/s | 5 |
| 1987 | 32.6°C | 22.5°C | 27.6°C | 188 mm | 88% | 1.9 m/s | 4.4 |
| 1986 | 35.6°C | 22.4°C | 29.0°C | 182 mm | 80% | 2.3 m/s | 4.4 |
| 1985 | 33.7°C | 22.9°C | 28.3°C | 140 mm | 84% | 1.9 m/s | 4.8 |
| 1984 ❄️ | 32.1°C | 19.3°C | 25.7°C | 117 mm | 85% | 1.8 m/s | 4.7 |
| 1983 | 34.8°C | 23.4°C | 29.1°C | 114 mm | 82% | 2.2 m/s | — |
| 1982 | 33.3°C | 19.5°C | 26.4°C | 101 mm | 83% | 1.9 m/s | — |
| 1981 | 32.9°C | 23.1°C | 28.0°C | 271 mm | 89% | 1.7 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33.1°C with lows near 22.8°C (mean 28°C), based on 45 years of NASA POWER data.
September averages 206 mm of rainfall in Birbhum, a relatively wet time of year. The wettest on record was 425 mm in 2024.
The hottest September reached 37.5°C in 1992. The coldest dipped to 19.3°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1°C. Daytime highs moved from 33.4°C to 32.9°C and overnight lows from 21.6°C to 24.1°C over the same span.
September is one of the warmer months of the year in Birbhum and a relatively wet time of year, so plan for around 33.1°C daytime highs and 22.8°C at night.
Not quite — September is the 7th coolest month in Birbhum, averaging 28°C.
For September in Birbhum, pack light, breathable clothing and sun protection, with typical highs of 33.1°C and lows of 22.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 87% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.5 m/s (2004).
The wettest September on record was 2024 with 425 mm. On average, September sees 206 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 Birbhum 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.
