September is one of the warmer months of the year in Kokrajhar, with average highs near 30.5°C and lows around 24.2°C (mean 27.4°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°C — while the coldest was 1984 at 25.9°C. Typical September days reach 30.5°C with nights near 24.2°C. The long-term trend is warming, about 0.2°C per decade.
September is a relatively wet time of year in Kokrajhar, averaging 254 mm of rainfall. The wettest September on record was 2020 with 628 mm, while the driest was 1994 at 77 mm.
Relative humidity in Kokrajhar during September averages 85%. The most humid September was 2020 at 91%, and the least humid was 1994 at 76%.
September receives about 4.1 kWh/m²/day of solar energy in Kokrajhar. The sunniest September was 1994 at 5.1 kWh/m²/day, and the cloudiest was 2020 at 3.1.
Average wind speed in Kokrajhar during September is 1.2 m/s. The windiest Septembers were 2004, 2018 and 2022, among others at 1.5 m/s, while the calmest were 1999 and 2001 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.1°C | 27.3°C | 27.1°C | 27.5°C | 28.0°C | +0.9°C |
| Avg High | 30.3°C | 30.6°C | 30.3°C | 30.4°C | 30.9°C | +0.6°C |
| Avg Low | 23.9°C | 23.9°C | 23.9°C | 24.6°C | 25.0°C | +1.1°C |
| Avg Rain | 227 mm | 199 mm | 224 mm | 327 mm | 317 mm | +90 mm |
September temperatures in Kokrajhar have risen by about 1.1°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.
A good time to visit Kokrajhar
September is a good time to visit Kokrajhar, with days averaging 30.5°C and nights around 24.2°C (mean 27.4°C, warmer than Kokrajhar's yearly average) and higher rainfall. November and March 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 | 31.2°C | 28.1°C | 24.9°C | 33.3°C | 23.4°C | 282 mm | 85% | 1.2 m/s | 4.4 |
| 2024 🔥 | 32.3°C | 29.0°C | 25.7°C | 35.2°C | 23.4°C | 349 mm | 82% | 1.1 m/s | 4.4 |
| 2023 | 31.2°C | 28.1°C | 25.0°C | 33.7°C | 23.6°C | 276 mm | 85% | 1.1 m/s | 4.5 |
| 2022 | 30.1°C | 27.3°C | 24.6°C | 32.0°C | 23.1°C | 174 mm | 89% | 1.5 m/s | 4 |
| 2021 | 30.9°C | 27.9°C | 24.8°C | 32.6°C | 23.6°C | 194 mm | 85% | 1.1 m/s | 4.9 |
| 2020 🌧️ | 29.9°C | 27.5°C | 25.2°C | 33.1°C | 23.8°C | 628 mm | 91% | 1.4 m/s | 3.1 |
| 2019 | 30.1°C | 27.4°C | 24.6°C | 33.8°C | 20.9°C | 459 mm | 87% | 1.1 m/s | 3.7 |
| 2018 | 30.5°C | 27.7°C | 24.9°C | 32.9°C | 23.4°C | 337 mm | 87% | 1.5 m/s | 3.8 |
| 2017 | 30.1°C | 27.6°C | 25.0°C | 33.0°C | 23.8°C | 338 mm | 89% | 1.4 m/s | 3.6 |
| 2016 | 30.1°C | 27.5°C | 25.0°C | 32.9°C | 23.3°C | 290 mm | 88% | 1.2 m/s | 3.8 |
| 2015 | 30.6°C | 27.7°C | 24.8°C | 33.0°C | 22.4°C | 322 mm | 88% | 1.3 m/s | 4.1 |
| 2014 | 30.4°C | 27.6°C | 24.8°C | 33.3°C | 23.2°C | 419 mm | 87% | 1.2 m/s | 4.1 |
| 2013 | 30.7°C | 27.7°C | 24.6°C | 33.7°C | 22.4°C | 169 mm | 86% | 1.3 m/s | 4.6 |
| 2012 | 30.6°C | 27.6°C | 24.6°C | 35.2°C | 22.9°C | 318 mm | 87% | 1.4 m/s | 3.9 |
| 2011 | 30.5°C | 27.4°C | 24.2°C | 32.6°C | 21.7°C | 322 mm | 85% | 1.1 m/s | 4.5 |
| 2010 | 29.9°C | 26.9°C | 23.9°C | 31.6°C | 20.7°C | 299 mm | 87% | 1.2 m/s | 4 |
| 2009 | 30.5°C | 27.2°C | 23.9°C | 32.6°C | 22.0°C | 146 mm | 85% | 1.4 m/s | 4.6 |
| 2008 | 30.5°C | 27.3°C | 24.1°C | 32.2°C | 22.0°C | 133 mm | 84% | 1.2 m/s | 4.4 |
| 2007 | 30.2°C | 26.9°C | 23.5°C | 31.9°C | 21.4°C | 284 mm | 83% | 1.2 m/s | 3.8 |
| 2006 | 29.9°C | 26.8°C | 23.6°C | 33.0°C | 21.5°C | 219 mm | 85% | 1.4 m/s | 3.9 |
| 2005 | 31.3°C | 27.9°C | 24.4°C | 33.8°C | 23.1°C | 173 mm | 83% | 1.2 m/s | 4.6 |
| 2004 | 29.8°C | 26.8°C | 23.8°C | 31.7°C | 21.7°C | 246 mm | 87% | 1.5 m/s | 3.8 |
| 2003 | 30.6°C | 27.6°C | 24.6°C | 32.4°C | 22.7°C | 191 mm | 86% | 1.1 m/s | 4.3 |
| 2002 | 30.3°C | 26.8°C | 23.4°C | 33.2°C | 20.9°C | 304 mm | 83% | 1.3 m/s | 4.2 |
| 2001 | 30.3°C | 27.2°C | 24.1°C | 31.5°C | 22.2°C | 338 mm | 84% | 0.9 m/s | 4 |
| 2000 | 29.6°C | 26.5°C | 23.4°C | 32.5°C | 20.3°C | 209 mm | 86% | 1.1 m/s | 4.4 |
| 1999 | 30.3°C | 27.3°C | 24.2°C | 32.6°C | 22.3°C | 254 mm | 85% | 0.9 m/s | 4.5 |
| 1998 | 30.8°C | 27.6°C | 24.4°C | 32.9°C | 22.6°C | 243 mm | 84% | 1.1 m/s | 4.3 |
| 1997 | 29.8°C | 26.7°C | 23.6°C | 32.5°C | 19.9°C | 320 mm | 87% | 1.3 m/s | 4 |
| 1996 | 31.2°C | 27.7°C | 24.1°C | 34.8°C | 21.9°C | 121 mm | 81% | 1.2 m/s | 4.6 |
| 1995 | 30.0°C | 26.9°C | 23.7°C | 33.6°C | 20.8°C | 220 mm | 85% | 1.3 m/s | 4.2 |
| 1994 | 32.1°C | 28.1°C | 24.1°C | 33.6°C | 20.6°C | 77 mm | 76% | 1 m/s | 5.1 |
| 1993 | 30.4°C | 27.0°C | 23.7°C | 34.0°C | 22.3°C | 190 mm | 83% | 1.2 m/s | 4 |
| 1992 | 31.3°C | 27.3°C | 23.3°C | 33.8°C | 20.6°C | 156 mm | 79% | 1.2 m/s | 4.2 |
| 1991 | 29.8°C | 26.9°C | 24.0°C | 32.0°C | 22.7°C | 208 mm | 87% | 1.2 m/s | 3.4 |
| 1990 | 30.3°C | 27.2°C | 24.1°C | 34.5°C | 21.0°C | 197 mm | 85% | 1.3 m/s | 3.7 |
| 1989 | 30.8°C | 27.5°C | 24.1°C | 33.6°C | 21.7°C | 236 mm | 83% | 1.4 m/s | 4.1 |
| 1988 | 30.7°C | 27.4°C | 24.2°C | 32.5°C | 22.2°C | 116 mm | 86% | 1.5 m/s | 3.6 |
| 1987 | 30.5°C | 27.4°C | 24.4°C | 33.2°C | 22.8°C | 222 mm | 86% | 1.1 m/s | 3.9 |
| 1986 | 29.6°C | 26.4°C | 23.1°C | 32.5°C | 19.6°C | 234 mm | 83% | 1.3 m/s | 3.6 |
| 1985 | 30.4°C | 27.2°C | 24.0°C | 31.7°C | 22.1°C | 231 mm | 85% | 1.2 m/s | 4.6 |
| 1984 ❄️ | 29.1°C | 25.9°C | 22.8°C | 32.2°C | 20.2°C | 319 mm | 87% | 1.4 m/s | 4.1 |
| 1983 | 30.6°C | 27.4°C | 24.3°C | 33.4°C | 22.8°C | 273 mm | 86% | 1.4 m/s | — |
| 1982 | 30.7°C | 27.3°C | 23.8°C | 33.5°C | 20.5°C | 165 mm | 85% | 1.4 m/s | — |
| 1981 | 30.1°C | 27.0°C | 24.0°C | 32.8°C | 22.3°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 30.5°C with lows near 24.2°C (mean 27.4°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 1.1°C. Daytime highs moved from 30.2°C to 31.1°C and overnight lows from 23.8°C to 25°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 30.5°C daytime highs and 24.2°C at night.
Not quite — September is the 8th coolest month in Kokrajhar, averaging 27.4°C.
For September in Kokrajhar, pack light, breathable clothing and sun protection, with typical highs of 30.5°C and lows of 24.2°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.
