September is one of the warmer months of the year in Jalpaiguri, with average highs near 32.9°C and lows around 22.5°C (mean 27.7°C). It is a relatively wet time of year, averaging 286 mm of rainfall and 86% relative humidity across the period.
September is one of the warmer months of the year in Jalpaiguri. Across 45 years of records, the warmest September in Jalpaiguri was 1993 — when the month averaged 29.7°C — while the coldest was 1986 at 26.2°C. Typical September days reach 32.9°C with nights near 22.5°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.2°C | 27.9°C | 27.4°C | 27.8°C | 28.4°C | +1.2°C |
| Avg High | 32.6°C | 33.6°C | 32.4°C | 32.8°C | 33.0°C | +0.4°C |
| Avg Low | 21.8°C | 22.1°C | 22.4°C | 22.8°C | 23.8°C | +2°C |
| Avg Rain | 225 mm | 181 mm | 229 mm | 375 mm | 499 mm | +274 mm |
September temperatures in Jalpaiguri have risen by about 1.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 20.2°C (1986) to a record high of 36.6°C (1993).
Rainfall in September is a relatively wet time of year, averaging 286 mm, with a wettest year of 913 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Jalpaiguri
September is a good time to visit Jalpaiguri, with days averaging 32.9°C and nights around 22.5°C (mean 27.7°C, warmer than Jalpaiguri's yearly average) and higher rainfall. November and February are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.7°C | 23.9°C | 28.3°C | 393 mm | 87% | 1.3 m/s | 4.3 |
| 2024 | 35.2°C | 23.3°C | 29.2°C | 633 mm | 85% | 1.3 m/s | 4.4 |
| 2023 | 33.1°C | 23.8°C | 28.4°C | 402 mm | 87% | 1.3 m/s | 4.3 |
| 2022 | 32.1°C | 23.6°C | 27.9°C | 346 mm | 91% | 1.6 m/s | 3.8 |
| 2021 | 32.0°C | 23.9°C | 27.9°C | 306 mm | 88% | 1.3 m/s | 4.7 |
| 2020 🌧️ | 33.1°C | 24.2°C | 28.6°C | 913 mm | 91% | 1.5 m/s | 3 |
| 2019 | 33.3°C | 21.0°C | 27.1°C | 574 mm | 89% | 1.3 m/s | 3.6 |
| 2018 | 32.6°C | 23.4°C | 28.0°C | 414 mm | 88% | 1.6 m/s | 4 |
| 2017 | 32.7°C | 24.1°C | 28.4°C | 279 mm | 90% | 1.5 m/s | 4.2 |
| 2016 | 31.7°C | 24.1°C | 27.9°C | 468 mm | 89% | 1.2 m/s | 3.7 |
| 2015 | 32.7°C | 22.6°C | 27.6°C | 347 mm | 88% | 1.4 m/s | 4.3 |
| 2014 | 32.8°C | 23.2°C | 28.0°C | 332 mm | 87% | 1.3 m/s | 4.4 |
| 2013 | 33.1°C | 22.9°C | 28.0°C | 222 mm | 85% | 1.2 m/s | 4.6 |
| 2012 | 34.6°C | 22.7°C | 28.7°C | 382 mm | 87% | 1.4 m/s | 4.2 |
| 2011 | 32.7°C | 22.5°C | 27.6°C | 361 mm | 88% | 1.5 m/s | 4.3 |
| 2010 | 32.0°C | 21.7°C | 26.8°C | 374 mm | 88% | 1.3 m/s | 4.2 |
| 2009 | 32.2°C | 22.6°C | 27.4°C | 98 mm | 86% | 1.5 m/s | 4.7 |
| 2008 | 31.8°C | 23.3°C | 27.5°C | 139 mm | 86% | 1.2 m/s | 4.5 |
| 2007 | 32.1°C | 22.0°C | 27.1°C | 324 mm | 85% | 1.4 m/s | 3.9 |
| 2006 | 32.9°C | 21.3°C | 27.1°C | 383 mm | 86% | 1.6 m/s | 4 |
| 2005 | 34.2°C | 23.6°C | 28.9°C | 161 mm | 84% | 1.2 m/s | 4.7 |
| 2004 | 31.1°C | 21.8°C | 26.5°C | 238 mm | 89% | 1.5 m/s | 3.9 |
| 2003 | 32.5°C | 23.2°C | 27.8°C | 158 mm | 88% | 1.4 m/s | 4.3 |
| 2002 | 33.1°C | 21.3°C | 27.2°C | 239 mm | 84% | 1.3 m/s | 4.4 |
| 2001 | 31.4°C | 22.9°C | 27.2°C | 332 mm | 87% | 1.2 m/s | 3.9 |
| 2000 | 32.5°C | 21.6°C | 27.0°C | 215 mm | 86% | 1.3 m/s | 4.2 |
| 1999 | 31.4°C | 23.3°C | 27.3°C | 194 mm | 88% | 1.3 m/s | 4.3 |
| 1998 | 32.1°C | 23.6°C | 27.9°C | 217 mm | 87% | 1.2 m/s | 4.1 |
| 1997 | 32.3°C | 21.1°C | 26.7°C | 305 mm | 88% | 1.4 m/s | 4.5 |
| 1996 | 34.5°C | 22.4°C | 28.4°C | 125 mm | 81% | 1.2 m/s | 4.5 |
| 1995 | 34.1°C | 21.2°C | 27.7°C | 110 mm | 82% | 1.7 m/s | 4.3 |
| 1994 | 34.8°C | 21.2°C | 28.0°C | 110 mm | 74% | 1.3 m/s | 4.8 |
| 1993 🔥 | 36.6°C | 22.8°C | 29.7°C | 135 mm | 78% | 1.6 m/s | 3.8 |
| 1992 | 34.4°C | 21.0°C | 27.7°C | 127 mm | 77% | 1.3 m/s | 4.2 |
| 1991 | 31.0°C | 22.8°C | 26.9°C | 311 mm | 90% | 1.5 m/s | 3.6 |
| 1990 | 35.0°C | 21.6°C | 28.3°C | 176 mm | 83% | 1.4 m/s | 3.8 |
| 1989 | 33.9°C | 22.3°C | 28.1°C | 202 mm | 82% | 1.5 m/s | 3.4 |
| 1988 | 33.6°C | 22.1°C | 27.9°C | 98 mm | 83% | 1.5 m/s | 3.9 |
| 1987 | 32.3°C | 21.8°C | 27.0°C | 221 mm | 88% | 1.3 m/s | 3.8 |
| 1986 ❄️ | 32.3°C | 20.2°C | 26.2°C | 257 mm | 85% | 1.4 m/s | 4 |
| 1985 | 31.2°C | 22.6°C | 26.9°C | 231 mm | 87% | 1.3 m/s | 4.3 |
| 1984 | 31.8°C | 20.8°C | 26.3°C | 346 mm | 88% | 1.6 m/s | 4.2 |
| 1983 | 32.1°C | 23.4°C | 27.7°C | 212 mm | 88% | 1.6 m/s | — |
| 1982 | 33.0°C | 20.6°C | 26.8°C | 225 mm | 85% | 1.3 m/s | — |
| 1981 | 32.9°C | 22.5°C | 27.7°C | 233 mm | 87% | 1.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 32.9°C with lows near 22.5°C (mean 27.7°C), based on 45 years of NASA POWER data.
September averages 286 mm of rainfall in Jalpaiguri, a relatively wet time of year. The wettest on record was 913 mm in 2020.
The hottest September reached 36.6°C in 1993. The coldest dipped to 20.2°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.2°C. Daytime highs moved from 32.2°C to 33°C and overnight lows from 22°C to 23.7°C over the same span.
September is one of the warmer months of the year in Jalpaiguri and a relatively wet time of year, so plan for around 32.9°C daytime highs and 22.5°C at night.
Not quite — September is the 7th coolest month in Jalpaiguri, averaging 27.7°C.
For September in Jalpaiguri, pack light, breathable clothing and sun protection, with typical highs of 32.9°C and lows of 22.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 86% — quite humid.
Average wind speed in September is 1.4 m/s. The windiest September on record averaged 1.7 m/s (1995).
The wettest September on record was 2020 with 913 mm. On average, September sees 286 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 Jalpaiguri 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.
