September is one of the warmer months of the year in Kamrup, with average highs near 34.4°C and lows around 20.8°C (mean 27.6°C). It is a relatively wet time of year, averaging 218 mm of rainfall and 84% relative humidity across the period.
September is one of the warmer months of the year in Kamrup. Across 45 years of records, the warmest September in Kamrup was 2003 — when the month averaged 29.6°C — while the coldest was 1997 at 25.2°C. Typical September days reach 34.4°C with nights near 20.8°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 | 27.3°C | 27.2°C | 27.4°C | 27.9°C | 28.8°C | +1.5°C |
| Avg High | 34.1°C | 34.4°C | 34.1°C | 34.4°C | 35.6°C | +1.5°C |
| Avg Low | 20.5°C | 20.1°C | 20.7°C | 21.4°C | 22.0°C | +1.5°C |
| Avg Rain | 262 mm | 195 mm | 170 mm | 261 mm | 198 mm | -64 mm |
September temperatures in Kamrup have risen by about 1.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.2°C (1997) to a record high of 37.2°C (2003).
Rainfall in September is a relatively wet time of year, averaging 218 mm, with a wettest year of 424 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Kamrup
September is a good time to visit Kamrup, with days averaging 34.4°C and nights around 20.8°C (mean 27.6°C, warmer than Kamrup's yearly average) and higher rainfall. March and November are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 34.5°C | 22.6°C | 28.5°C | 178 mm | 85% | 0.4 m/s | 4.6 |
| 2024 | 36.6°C | 21.1°C | 28.9°C | 140 mm | 82% | 0.4 m/s | 4.6 |
| 2023 | 35.9°C | 21.6°C | 28.8°C | 143 mm | 82% | 0.4 m/s | 4.9 |
| 2022 | 37.1°C | 21.7°C | 29.4°C | 153 mm | 85% | 0.4 m/s | 4.4 |
| 2021 | 34.6°C | 22.3°C | 28.4°C | 148 mm | 84% | 0.4 m/s | 5 |
| 2020 🌧️ | 34.7°C | 22.6°C | 28.6°C | 424 mm | 87% | 0.4 m/s | 3.7 |
| 2019 | 34.0°C | 20.1°C | 27.0°C | 347 mm | 85% | 0.4 m/s | 3.9 |
| 2018 | 34.7°C | 21.3°C | 28.0°C | 253 mm | 85% | 0.4 m/s | 4.1 |
| 2017 | 33.6°C | 22.7°C | 28.2°C | 274 mm | 86% | 0.4 m/s | 3.9 |
| 2016 | 34.5°C | 22.4°C | 28.4°C | 176 mm | 86% | 0.4 m/s | 4.1 |
| 2015 | 34.1°C | 21.4°C | 27.8°C | 295 mm | 85% | 0.4 m/s | 4.3 |
| 2014 | 34.5°C | 21.0°C | 27.7°C | 402 mm | 84% | 0.4 m/s | 4.2 |
| 2013 | 33.8°C | 20.9°C | 27.3°C | 155 mm | 86% | 0.4 m/s | 4.6 |
| 2012 | 35.8°C | 22.0°C | 28.9°C | 166 mm | 87% | 0.5 m/s | 4.1 |
| 2011 | 34.8°C | 21.3°C | 28.1°C | 255 mm | 85% | 0.4 m/s | 4.6 |
| 2010 | 33.9°C | 20.9°C | 27.4°C | 291 mm | 87% | 0.4 m/s | 4.2 |
| 2009 | 34.4°C | 20.8°C | 27.6°C | 190 mm | 84% | 0.5 m/s | 4.8 |
| 2008 | 32.5°C | 21.7°C | 27.1°C | 118 mm | 85% | 0.4 m/s | 4.5 |
| 2007 | 32.8°C | 19.1°C | 26.0°C | 301 mm | 83% | 0.4 m/s | 4.1 |
| 2006 | 34.8°C | 21.2°C | 28.0°C | 122 mm | 83% | 0.5 m/s | 4.2 |
| 2005 | 34.7°C | 21.1°C | 27.9°C | 120 mm | 83% | 0.5 m/s | 4.8 |
| 2004 | 33.8°C | 20.3°C | 27.0°C | 148 mm | 86% | 0.5 m/s | 4.1 |
| 2003 🔥 | 37.2°C | 22.0°C | 29.6°C | 206 mm | 85% | 0.4 m/s | 4.5 |
| 2002 | 33.5°C | 20.0°C | 26.7°C | 158 mm | 83% | 0.5 m/s | 4.4 |
| 2001 | 33.2°C | 21.6°C | 27.4°C | 162 mm | 84% | 0.4 m/s | 4.2 |
| 2000 | 34.1°C | 19.6°C | 26.8°C | 178 mm | 85% | 0.4 m/s | 4.4 |
| 1999 | 33.6°C | 21.1°C | 27.4°C | 187 mm | 85% | 0.3 m/s | 4.5 |
| 1998 | 34.8°C | 20.7°C | 27.7°C | 209 mm | 82% | 0.4 m/s | 4.5 |
| 1997 ❄️ | 33.2°C | 17.2°C | 25.2°C | 200 mm | 85% | 0.4 m/s | 4.2 |
| 1996 | 35.0°C | 20.9°C | 27.9°C | 128 mm | 84% | 0.4 m/s | 4.5 |
| 1995 | 32.7°C | 20.8°C | 26.7°C | 327 mm | 86% | 0.4 m/s | 4.5 |
| 1994 | 35.1°C | 17.5°C | 26.3°C | 46 mm | 79% | 0.4 m/s | 5.3 |
| 1993 | 33.7°C | 21.0°C | 27.3°C | 247 mm | 85% | 0.4 m/s | 4.1 |
| 1992 | 35.5°C | 19.4°C | 27.5°C | 176 mm | 81% | 0.4 m/s | 4.3 |
| 1991 | 34.9°C | 22.1°C | 28.5°C | 205 mm | 84% | 0.3 m/s | 3.5 |
| 1990 | 35.6°C | 19.9°C | 27.7°C | 221 mm | 84% | 0.4 m/s | 3.8 |
| 1989 | 34.7°C | 21.4°C | 28.0°C | 314 mm | 84% | 0.4 m/s | 4.1 |
| 1988 | 33.3°C | 20.3°C | 26.8°C | 174 mm | 85% | 0.5 m/s | 3.8 |
| 1987 | 34.6°C | 20.3°C | 27.4°C | 337 mm | 84% | 0.3 m/s | 4.1 |
| 1986 | 32.8°C | 19.2°C | 26.0°C | 181 mm | 84% | 0.5 m/s | 3.8 |
| 1985 | 35.9°C | 20.8°C | 28.4°C | 300 mm | 81% | 0.4 m/s | 4.7 |
| 1984 | 33.0°C | 19.0°C | 26.0°C | 336 mm | 84% | 0.4 m/s | 3.8 |
| 1983 | 34.3°C | 21.8°C | 28.1°C | 308 mm | 83% | 0.4 m/s | — |
| 1982 | 33.9°C | 20.4°C | 27.2°C | 140 mm | 83% | 0.5 m/s | — |
| 1981 | 34.2°C | 21.1°C | 27.6°C | 264 mm | 84% | 0.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34.4°C with lows near 20.8°C (mean 27.6°C), based on 45 years of NASA POWER data.
September averages 218 mm of rainfall in Kamrup, a relatively wet time of year. The wettest on record was 424 mm in 2020.
The hottest September reached 37.2°C in 2003. The coldest dipped to 17.2°C in 1997.
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 34.3°C to 35.7°C and overnight lows from 20.6°C to 21.9°C over the same span.
September is one of the warmer months of the year in Kamrup and a relatively wet time of year, so plan for around 34.4°C daytime highs and 20.8°C at night.
Not quite — September is the 8th coolest month in Kamrup, averaging 27.6°C.
For September in Kamrup, pack light, breathable clothing and sun protection, with typical highs of 34.4°C and lows of 20.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 0.4 m/s. The windiest September on record averaged 0.5 m/s (1982).
The wettest September on record was 2020 with 424 mm. On average, September sees 218 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 Kamrup 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.
