September is one of the warmer months of the year in North 24 Parganas, with average highs near 30.5°C and lows around 25.5°C (mean 28°C). It is a relatively wet time of year, averaging 259 mm of rainfall and 89% relative humidity across the period.
September is one of the warmer months of the year in North 24 Parganas. Across 45 years of records, the warmest Septembers in North 24 Parganas were 2020, 2023 and 2024 — when the month averaged 28.6°C — while the coldest was 1984 at 27.3°C. Typical September days reach 30.5°C with nights near 25.5°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in North 24 Parganas, averaging 259 mm of rainfall. The wettest September on record was 2021 with 511 mm, while the driest was 1996 at 100 mm.
Relative humidity in North 24 Parganas during September averages 89%. The most humid September was 1999 at 92%, and the least humid was 1982 at 86%.
September receives about 4.3 kWh/m²/day of solar energy in North 24 Parganas. The sunniest September was 1994 at 5 kWh/m²/day, and the cloudiest were 2021 and 2023 at 3.7.
Average wind speed in North 24 Parganas during September is 1.8 m/s. The windiest Septembers were 1987, 2004 and 2011, among others at 2.2 m/s, while the calmest were 2016, 2017 and 2025, among others at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.0°C | 27.7°C | 27.8°C | 28.2°C | 28.4°C | +0.4°C |
| Avg High | 30.8°C | 30.2°C | 30.1°C | 30.7°C | 30.8°C | 0°C |
| Avg Low | 25.2°C | 25.2°C | 25.4°C | 25.6°C | 26.0°C | +0.8°C |
| Avg Rain | 203 mm | 248 mm | 263 mm | 270 mm | 339 mm | +136 mm |
September temperatures in North 24 Parganas have risen by about 0.4°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.7°C (1994) to a record high of 33.8°C (1992).
Rainfall in September is a relatively wet time of year, averaging 259 mm, with a wettest year of 511 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit North 24 Parganas
September is a good time to visit North 24 Parganas, with days averaging 30.5°C and nights around 25.5°C (mean 28°C, warmer than North 24 Parganas's yearly average) and higher rainfall. November and February 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 | 30.9°C | 28.3°C | 25.8°C | 32.3°C | 24.7°C | 241 mm | 89% | 1.5 m/s | 4.4 |
| 2024 | 30.8°C | 28.6°C | 26.3°C | 32.4°C | 25.3°C | 450 mm | 90% | 2 m/s | 4.2 |
| 2023 | 30.9°C | 28.6°C | 26.2°C | 32.9°C | 25.6°C | 310 mm | 90% | 1.8 m/s | 3.7 |
| 2022 | 30.7°C | 28.3°C | 25.9°C | 32.4°C | 25.2°C | 329 mm | 90% | 1.8 m/s | 4.2 |
| 2021 🌧️ | 30.3°C | 28.0°C | 25.7°C | 32.1°C | 25.0°C | 511 mm | 90% | 1.8 m/s | 3.7 |
| 2020 🔥 | 31.0°C | 28.6°C | 26.2°C | 33.2°C | 25.0°C | 195 mm | 90% | 1.7 m/s | 4.2 |
| 2019 | 30.6°C | 28.2°C | 25.7°C | 32.8°C | 23.6°C | 365 mm | 90% | 1.8 m/s | 4 |
| 2018 | 30.9°C | 28.2°C | 25.6°C | 32.4°C | 24.2°C | 219 mm | 88% | 1.7 m/s | 4.5 |
| 2017 | 30.7°C | 28.3°C | 25.9°C | 33.3°C | 24.6°C | 281 mm | 90% | 1.5 m/s | 4.3 |
| 2016 | 30.9°C | 28.3°C | 25.6°C | 32.0°C | 25.0°C | 252 mm | 89% | 1.5 m/s | 4.4 |
| 2015 | 31.2°C | 28.4°C | 25.6°C | 33.4°C | 23.5°C | 262 mm | 87% | 1.5 m/s | 4.4 |
| 2014 | 31.1°C | 28.3°C | 25.5°C | 32.7°C | 23.0°C | 219 mm | 88% | 1.9 m/s | 4.7 |
| 2013 | 30.5°C | 28.1°C | 25.7°C | 32.5°C | 24.7°C | 281 mm | 90% | 1.6 m/s | 4.3 |
| 2012 | 30.5°C | 27.9°C | 25.4°C | 32.4°C | 22.6°C | 247 mm | 90% | 1.9 m/s | 4.5 |
| 2011 | 30.1°C | 27.8°C | 25.5°C | 33.1°C | 23.2°C | 280 mm | 91% | 2.2 m/s | 4 |
| 2010 | 30.4°C | 28.0°C | 25.5°C | 32.3°C | 24.2°C | 295 mm | 89% | 1.6 m/s | 4.5 |
| 2009 | 30.3°C | 27.9°C | 25.5°C | 32.5°C | 24.7°C | 341 mm | 90% | 1.7 m/s | 4.5 |
| 2008 | 29.8°C | 27.5°C | 25.1°C | 31.8°C | 23.4°C | 262 mm | 91% | 1.9 m/s | 4.5 |
| 2007 | 29.9°C | 27.8°C | 25.6°C | 32.3°C | 24.2°C | 460 mm | 92% | 2.1 m/s | 3.9 |
| 2006 | 30.2°C | 27.8°C | 25.4°C | 32.8°C | 24.4°C | 372 mm | 90% | 1.9 m/s | 4.3 |
| 2005 | 30.1°C | 27.9°C | 25.7°C | 33.1°C | 24.8°C | 148 mm | 90% | 1.8 m/s | 4.6 |
| 2004 | 29.8°C | 27.6°C | 25.3°C | 32.2°C | 23.9°C | 329 mm | 91% | 2.2 m/s | 4.2 |
| 2003 | 30.6°C | 28.2°C | 25.7°C | 32.2°C | 24.7°C | 134 mm | 90% | 1.8 m/s | 4.3 |
| 2002 | 30.0°C | 27.5°C | 25.1°C | 32.1°C | 24.0°C | 190 mm | 90% | 1.8 m/s | 4.3 |
| 2001 | 30.5°C | 28.0°C | 25.5°C | 32.5°C | 24.2°C | 194 mm | 89% | 1.6 m/s | 4.6 |
| 2000 | 30.0°C | 27.6°C | 25.2°C | 31.8°C | 22.4°C | 200 mm | 90% | 2 m/s | 4.1 |
| 1999 | 29.6°C | 27.5°C | 25.4°C | 31.4°C | 24.0°C | 462 mm | 92% | 2 m/s | 3.8 |
| 1998 | 30.3°C | 28.0°C | 25.7°C | 32.5°C | 24.9°C | 235 mm | 90% | 1.6 m/s | 4.4 |
| 1997 | 30.1°C | 27.6°C | 25.1°C | 31.7°C | 22.6°C | 190 mm | 90% | 1.7 m/s | 4.1 |
| 1996 | 30.6°C | 28.0°C | 25.3°C | 33.0°C | 24.4°C | 100 mm | 88% | 1.5 m/s | 4.7 |
| 1995 | 29.8°C | 27.7°C | 25.6°C | 32.0°C | 24.1°C | 385 mm | 91% | 2 m/s | 3.8 |
| 1994 | 30.5°C | 27.4°C | 24.3°C | 31.8°C | 19.7°C | 100 mm | 86% | 2 m/s | 5 |
| 1993 | 29.5°C | 27.4°C | 25.3°C | 32.5°C | 24.5°C | 307 mm | 91% | 2.1 m/s | 3.8 |
| 1992 | 31.0°C | 27.9°C | 24.8°C | 33.8°C | 23.2°C | 190 mm | 86% | 2 m/s | 4.6 |
| 1991 | 30.3°C | 27.9°C | 25.5°C | 32.5°C | 23.9°C | 217 mm | 89% | 1.8 m/s | 4.2 |
| 1990 | 30.3°C | 27.9°C | 25.4°C | 31.8°C | 24.5°C | 291 mm | 90% | 2 m/s | 4.1 |
| 1989 | 30.7°C | 28.1°C | 25.5°C | 32.9°C | 24.0°C | 210 mm | 89% | 2 m/s | 4.1 |
| 1988 | 30.7°C | 28.2°C | 25.6°C | 32.2°C | 24.7°C | 213 mm | 89% | 1.8 m/s | 4.5 |
| 1987 | 31.1°C | 28.4°C | 25.7°C | 32.5°C | 24.4°C | 134 mm | 89% | 2.2 m/s | 4.3 |
| 1986 | 30.4°C | 27.7°C | 25.0°C | 33.4°C | 23.3°C | 401 mm | 87% | 2.1 m/s | 4.2 |
| 1985 | 30.6°C | 27.9°C | 25.1°C | 32.4°C | 23.8°C | 191 mm | 88% | 2 m/s | 4.4 |
| 1984 ❄️ | 30.3°C | 27.3°C | 24.3°C | 32.3°C | 21.3°C | 102 mm | 86% | 1.8 m/s | 4.7 |
| 1983 | 31.4°C | 28.4°C | 25.4°C | 32.7°C | 24.2°C | 166 mm | 86% | 2.2 m/s | — |
| 1982 | 31.5°C | 28.2°C | 24.9°C | 32.3°C | 21.4°C | 105 mm | 86% | 1.9 m/s | — |
| 1981 | 30.5°C | 28.0°C | 25.6°C | 33.1°C | 24.1°C | 308 mm | 88% | 1.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30.5°C with lows near 25.5°C (mean 28°C), based on 45 years of NASA POWER data.
September averages 259 mm of rainfall in North 24 Parganas, a relatively wet time of year. The wettest on record was 511 mm in 2021.
The hottest September reached 33.8°C in 1992. The coldest dipped to 19.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.1°C to 26°C while daytime highs eased from 30.9°C to 30.7°C, narrowing the gap between day and night.
September is one of the warmer months of the year in North 24 Parganas and a relatively wet time of year, so plan for around 30.5°C daytime highs and 25.5°C at night.
Not quite — September is the 6th coolest month in North 24 Parganas, averaging 28°C.
For September in North 24 Parganas, pack light, breathable clothing and sun protection, with typical highs of 30.5°C and lows of 25.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 89% — quite humid.
Average wind speed in September is 1.8 m/s. The windiest September on record averaged 2.2 m/s (1983).
The wettest September on record was 2021 with 511 mm. On average, September sees 259 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 North 24 Parganas 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.
