September is one of the warmer months of the year in Kokrajhar, with average highs near 33°C and lows around 22.1°C (mean 27.6°C). It is a relatively wet time of year, averaging 254 mm of rainfall and 85% relative humidity across the period.
September is one of the warmer months of the year in Kokrajhar. Across 45 years of records, the warmest September in Kokrajhar was 2024 — when the month averaged 29.3°C — while the coldest were 1986 and 2010 at 26.1°C. Typical September days reach 33°C with nights near 22.1°C. The long-term trend is warming, about 0.3°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 | 27.5°C | 27.1°C | 27.8°C | 28.4°C | +1.2°C |
| Avg High | 32.8°C | 33.4°C | 32.5°C | 33.2°C | 33.3°C | +0.5°C |
| Avg Low | 21.6°C | 21.5°C | 21.8°C | 22.5°C | 23.5°C | +1.9°C |
| Avg Rain | 227 mm | 199 mm | 224 mm | 327 mm | 317 mm | +90 mm |
September temperatures in Kokrajhar have risen by about 1.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.6°C (1986) to a record high of 35.2°C (2012).
Rainfall in September is a relatively wet time of year, averaging 254 mm, with a wettest year of 628 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Kokrajhar
September is a good time to visit Kokrajhar, with days averaging 33°C and nights around 22.1°C (mean 27.6°C, warmer than Kokrajhar's yearly average) and higher rainfall. November and March are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.3°C | 23.4°C | 28.4°C | 282 mm | 85% | 1.2 m/s | 4.4 |
| 2024 🔥 | 35.2°C | 23.4°C | 29.3°C | 349 mm | 82% | 1.1 m/s | 4.4 |
| 2023 | 33.7°C | 23.6°C | 28.7°C | 276 mm | 85% | 1.1 m/s | 4.5 |
| 2022 | 32.0°C | 23.1°C | 27.5°C | 174 mm | 89% | 1.5 m/s | 4 |
| 2021 | 32.6°C | 23.6°C | 28.1°C | 194 mm | 85% | 1.1 m/s | 4.9 |
| 2020 🌧️ | 33.1°C | 23.8°C | 28.4°C | 628 mm | 91% | 1.4 m/s | 3.1 |
| 2019 | 33.8°C | 20.9°C | 27.3°C | 459 mm | 87% | 1.1 m/s | 3.7 |
| 2018 | 32.9°C | 23.4°C | 28.2°C | 337 mm | 87% | 1.5 m/s | 3.8 |
| 2017 | 33.0°C | 23.8°C | 28.4°C | 338 mm | 89% | 1.4 m/s | 3.6 |
| 2016 | 32.9°C | 23.3°C | 28.1°C | 290 mm | 88% | 1.2 m/s | 3.8 |
| 2015 | 33.0°C | 22.4°C | 27.7°C | 322 mm | 88% | 1.3 m/s | 4.1 |
| 2014 | 33.3°C | 23.2°C | 28.2°C | 419 mm | 87% | 1.2 m/s | 4.1 |
| 2013 | 33.7°C | 22.4°C | 28.0°C | 169 mm | 86% | 1.3 m/s | 4.6 |
| 2012 | 35.2°C | 22.9°C | 29.1°C | 318 mm | 87% | 1.4 m/s | 3.9 |
| 2011 | 32.6°C | 21.7°C | 27.2°C | 322 mm | 85% | 1.1 m/s | 4.5 |
| 2010 | 31.6°C | 20.7°C | 26.1°C | 299 mm | 87% | 1.2 m/s | 4 |
| 2009 | 32.6°C | 22.0°C | 27.3°C | 146 mm | 85% | 1.4 m/s | 4.6 |
| 2008 | 32.2°C | 22.0°C | 27.1°C | 133 mm | 84% | 1.2 m/s | 4.4 |
| 2007 | 31.9°C | 21.4°C | 26.6°C | 284 mm | 83% | 1.2 m/s | 3.8 |
| 2006 | 33.0°C | 21.5°C | 27.2°C | 219 mm | 85% | 1.4 m/s | 3.9 |
| 2005 | 33.8°C | 23.1°C | 28.4°C | 173 mm | 83% | 1.2 m/s | 4.6 |
| 2004 | 31.7°C | 21.7°C | 26.7°C | 246 mm | 87% | 1.5 m/s | 3.8 |
| 2003 | 32.4°C | 22.7°C | 27.6°C | 191 mm | 86% | 1.1 m/s | 4.3 |
| 2002 | 33.2°C | 20.9°C | 27.1°C | 304 mm | 83% | 1.3 m/s | 4.2 |
| 2001 | 31.5°C | 22.2°C | 26.8°C | 338 mm | 84% | 0.9 m/s | 4 |
| 2000 | 32.5°C | 20.3°C | 26.4°C | 209 mm | 86% | 1.1 m/s | 4.4 |
| 1999 | 32.6°C | 22.3°C | 27.4°C | 254 mm | 85% | 0.9 m/s | 4.5 |
| 1998 | 32.9°C | 22.6°C | 27.8°C | 243 mm | 84% | 1.1 m/s | 4.3 |
| 1997 | 32.5°C | 19.9°C | 26.2°C | 320 mm | 87% | 1.3 m/s | 4 |
| 1996 | 34.8°C | 21.9°C | 28.4°C | 121 mm | 81% | 1.2 m/s | 4.6 |
| 1995 | 33.6°C | 20.8°C | 27.2°C | 220 mm | 85% | 1.3 m/s | 4.2 |
| 1994 | 33.6°C | 20.6°C | 27.1°C | 77 mm | 76% | 1 m/s | 5.1 |
| 1993 | 34.0°C | 22.3°C | 28.1°C | 190 mm | 83% | 1.2 m/s | 4 |
| 1992 | 33.8°C | 20.6°C | 27.2°C | 156 mm | 79% | 1.2 m/s | 4.2 |
| 1991 | 32.0°C | 22.7°C | 27.4°C | 208 mm | 87% | 1.2 m/s | 3.4 |
| 1990 | 34.5°C | 21.0°C | 27.8°C | 197 mm | 85% | 1.3 m/s | 3.7 |
| 1989 | 33.6°C | 21.7°C | 27.6°C | 236 mm | 83% | 1.4 m/s | 4.1 |
| 1988 | 32.5°C | 22.2°C | 27.3°C | 116 mm | 86% | 1.5 m/s | 3.6 |
| 1987 | 33.2°C | 22.8°C | 28.0°C | 222 mm | 86% | 1.1 m/s | 3.9 |
| 1986 ❄️ | 32.5°C | 19.6°C | 26.1°C | 234 mm | 83% | 1.3 m/s | 3.6 |
| 1985 | 31.7°C | 22.1°C | 26.9°C | 231 mm | 85% | 1.2 m/s | 4.6 |
| 1984 | 32.2°C | 20.2°C | 26.2°C | 319 mm | 87% | 1.4 m/s | 4.1 |
| 1983 | 33.4°C | 22.8°C | 28.1°C | 273 mm | 86% | 1.4 m/s | — |
| 1982 | 33.5°C | 20.5°C | 27.0°C | 165 mm | 85% | 1.4 m/s | — |
| 1981 | 32.8°C | 22.3°C | 27.5°C | 247 mm | 86% | 1.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33°C with lows near 22.1°C (mean 27.6°C), based on 45 years of NASA POWER data.
September averages 254 mm of rainfall in Kokrajhar, a relatively wet time of year. The wettest on record was 628 mm in 2020.
The hottest September reached 35.2°C in 2012. The coldest dipped to 19.6°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.3°C. Daytime highs moved from 32.7°C to 33.4°C and overnight lows from 21.6°C to 23.4°C over the same span.
September is one of the warmer months of the year in Kokrajhar and a relatively wet time of year, so plan for around 33°C daytime highs and 22.1°C at night.
Not quite — September is the 8th coolest month in Kokrajhar, averaging 27.6°C.
For September in Kokrajhar, pack light, breathable clothing and sun protection, with typical highs of 33°C and lows of 22.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 85% — quite humid.
Average wind speed in September is 1.2 m/s. The windiest September on record averaged 1.5 m/s (1988).
The wettest September on record was 2020 with 628 mm. On average, September sees 254 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 Kokrajhar 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.
