September is one of the warmer months of the year in Karbi Anglong, with average highs near 30.5°C and lows around 22.3°C (mean 26.4°C). It is a relatively wet time of year, averaging 174 mm of rainfall and 83% relative humidity across the period.
September is one of the warmer months of the year in Karbi Anglong. Across 45 years of records, the warmest September in Karbi Anglong was 2023 — when the month averaged 28.3°C — while the coldest were 1984 and 1997 at 25.2°C. Typical September days reach 30.5°C with nights near 22.3°C. The long-term trend is warming, about 0.3°C per decade.
September is a relatively wet time of year in Karbi Anglong, averaging 174 mm of rainfall. The wettest September on record was 1987 with 282 mm, while the driest was 1998 at 81 mm.
Relative humidity in Karbi Anglong during September averages 83%. The most humid September was 2012 at 88%, and the least humid was 2023 at 77%.
September receives about 4.4 kWh/m²/day of solar energy in Karbi Anglong. The sunniest September was 1994 at 5.3 kWh/m²/day, and the cloudiest was 2004 at 3.7.
Average wind speed in Karbi Anglong during September is 0.1 m/s. The windiest Septembers were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 26.2°C | 26.5°C | 26.4°C | 27.5°C | +1.6°C |
| Avg High | 30.1°C | 30.4°C | 30.8°C | 30.1°C | 31.8°C | +1.7°C |
| Avg Low | 21.8°C | 22.1°C | 22.2°C | 22.7°C | 23.2°C | +1.4°C |
| Avg Rain | 185 mm | 159 mm | 138 mm | 215 mm | 175 mm | -11 mm |
September temperatures in Karbi Anglong have risen by about 1.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.7°C (2007) to a record high of 37.6°C (2024).
Rainfall in September is a relatively wet time of year, averaging 174 mm, with a wettest year of 282 mm.
A good time to visit Karbi Anglong
September is a good time to visit Karbi Anglong, with days averaging 30.5°C and nights around 22.3°C (mean 26.4°C, warmer than Karbi Anglong's yearly average) and higher rainfall. March and November 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 | 30.8°C | 27.0°C | 23.3°C | 36.5°C | 21.5°C | 257 mm | 85% | 0.1 m/s | 4.6 |
| 2024 | 32.6°C | 28.2°C | 23.8°C | 37.6°C | 21.4°C | 155 mm | 80% | 0.1 m/s | 4.6 |
| 2023 🔥 | 33.3°C | 28.3°C | 23.2°C | 37.2°C | 21.2°C | 112 mm | 77% | 0.1 m/s | 4.9 |
| 2022 | 31.4°C | 27.0°C | 22.7°C | 33.9°C | 21.0°C | 152 mm | 82% | 0.1 m/s | 4.7 |
| 2021 | 32.4°C | 27.7°C | 23.0°C | 36.9°C | 21.6°C | 169 mm | 80% | 0.1 m/s | 5 |
| 2020 | 30.5°C | 26.7°C | 22.9°C | 35.9°C | 21.1°C | 203 mm | 87% | 0.1 m/s | 4.2 |
| 2019 | 30.5°C | 26.6°C | 22.7°C | 37.2°C | 20.6°C | 276 mm | 85% | 0.1 m/s | 4.4 |
| 2018 | 30.4°C | 26.6°C | 22.8°C | 34.4°C | 21.0°C | 140 mm | 86% | 0.1 m/s | 4.7 |
| 2017 | 30.2°C | 26.6°C | 23.1°C | 33.7°C | 21.8°C | 249 mm | 87% | 0.1 m/s | 4.2 |
| 2016 | 29.9°C | 26.4°C | 23.0°C | 33.4°C | 21.0°C | 217 mm | 87% | 0.1 m/s | 4.5 |
| 2015 | 30.4°C | 26.7°C | 23.0°C | 33.4°C | 21.1°C | 162 mm | 86% | 0.1 m/s | 4.4 |
| 2014 | 30.5°C | 26.4°C | 22.3°C | 36.0°C | 19.0°C | 273 mm | 84% | 0.1 m/s | 4.4 |
| 2013 | 29.9°C | 26.3°C | 22.8°C | 33.5°C | 20.3°C | 181 mm | 86% | 0.1 m/s | 4.4 |
| 2012 | 29.3°C | 26.1°C | 22.9°C | 36.3°C | 21.4°C | 239 mm | 88% | 0.1 m/s | 4.1 |
| 2011 | 30.7°C | 26.5°C | 22.4°C | 33.5°C | 19.4°C | 177 mm | 84% | 0.1 m/s | 4.5 |
| 2010 | 29.5°C | 25.8°C | 22.2°C | 32.0°C | 20.8°C | 239 mm | 86% | 0.1 m/s | 4 |
| 2009 | 30.5°C | 26.4°C | 22.2°C | 34.0°C | 20.5°C | 124 mm | 83% | 0.1 m/s | 4.5 |
| 2008 | 30.1°C | 26.2°C | 22.2°C | 32.6°C | 20.7°C | 113 mm | 84% | 0.1 m/s | 4.5 |
| 2007 | 30.4°C | 25.9°C | 21.5°C | 33.7°C | 16.7°C | 198 mm | 81% | 0.1 m/s | 4.3 |
| 2006 | 32.0°C | 27.1°C | 22.2°C | 36.3°C | 20.1°C | 100 mm | 77% | 0.1 m/s | 4.5 |
| 2005 | 32.0°C | 27.3°C | 22.7°C | 36.0°C | 21.3°C | 132 mm | 78% | 0.1 m/s | 4.4 |
| 2004 | 29.5°C | 25.7°C | 22.0°C | 32.7°C | 19.7°C | 121 mm | 84% | 0.1 m/s | 3.7 |
| 2003 | 31.3°C | 27.1°C | 22.9°C | 33.5°C | 21.7°C | 201 mm | 82% | 0.1 m/s | 4.4 |
| 2002 | 31.0°C | 26.5°C | 21.9°C | 35.7°C | 20.1°C | 116 mm | 80% | 0.1 m/s | 4.7 |
| 2001 | 30.6°C | 26.7°C | 22.7°C | 33.7°C | 21.4°C | 120 mm | 82% | 0.1 m/s | 4.4 |
| 2000 | 30.3°C | 26.2°C | 22.1°C | 35.1°C | 20.0°C | 153 mm | 83% | 0.1 m/s | 3.9 |
| 1999 | 30.3°C | 26.4°C | 22.5°C | 32.8°C | 21.1°C | 178 mm | 84% | 0.1 m/s | 4.5 |
| 1998 | 31.4°C | 27.0°C | 22.7°C | 34.2°C | 20.2°C | 81 mm | 80% | 0.1 m/s | 4.9 |
| 1997 | 29.2°C | 25.2°C | 21.3°C | 34.3°C | 16.8°C | 176 mm | 85% | 0.1 m/s | 4.3 |
| 1996 | 31.1°C | 26.7°C | 22.3°C | 35.3°C | 20.9°C | 110 mm | 81% | 0.1 m/s | 4.9 |
| 1995 | 29.0°C | 25.6°C | 22.2°C | 34.3°C | 20.0°C | 202 mm | 87% | 0.1 m/s | 4.6 |
| 1994 | 31.7°C | 27.0°C | 22.3°C | 34.9°C | 19.2°C | 110 mm | 79% | 0.1 m/s | 5.3 |
| 1993 | 29.9°C | 25.9°C | 21.8°C | 33.1°C | 20.2°C | 156 mm | 84% | 0.1 m/s | 4.1 |
| 1992 | 31.3°C | 26.7°C | 22.0°C | 35.9°C | 19.8°C | 85 mm | 79% | 0.1 m/s | 4.8 |
| 1991 | 29.5°C | 25.7°C | 21.9°C | 32.3°C | 19.8°C | 249 mm | 85% | 0.1 m/s | 4 |
| 1990 | 30.2°C | 26.1°C | 22.1°C | 35.4°C | 19.3°C | 242 mm | 84% | 0.1 m/s | 4 |
| 1989 | 30.4°C | 26.3°C | 22.3°C | 35.2°C | 19.7°C | 182 mm | 83% | 0.1 m/s | 4.8 |
| 1988 | 30.0°C | 26.0°C | 22.1°C | 32.9°C | 20.3°C | 194 mm | 85% | 0.1 m/s | 4.4 |
| 1987 🌧️ | 29.5°C | 25.7°C | 22.0°C | 32.8°C | 18.4°C | 282 mm | 86% | 0.1 m/s | 3.9 |
| 1986 | 30.4°C | 25.9°C | 21.3°C | 34.1°C | 19.1°C | 127 mm | 80% | 0.1 m/s | 4.2 |
| 1985 | 30.2°C | 26.0°C | 21.9°C | 33.8°C | 19.9°C | 219 mm | 82% | 0.1 m/s | 4.9 |
| 1984 ❄️ | 29.5°C | 25.2°C | 20.8°C | 32.4°C | 18.6°C | 139 mm | 82% | 0.1 m/s | 4.2 |
| 1983 | 30.2°C | 26.1°C | 22.1°C | 33.6°C | 20.2°C | 209 mm | 83% | 0.1 m/s | — |
| 1982 | 30.6°C | 26.2°C | 21.8°C | 35.1°C | 19.7°C | 143 mm | 82% | 0.1 m/s | — |
| 1981 | 30.2°C | 26.0°C | 21.8°C | 34.0°C | 20.1°C | 175 mm | 84% | 0.1 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 22.3°C (mean 26.4°C), based on 45 years of NASA POWER data.
September averages 174 mm of rainfall in Karbi Anglong, a relatively wet time of year. The wettest on record was 282 mm in 1987.
The hottest September reached 37.6°C in 2024. The coldest dipped to 16.7°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.7°C. Daytime highs moved from 30.1°C to 32.1°C and overnight lows from 21.7°C to 23.2°C over the same span.
September is one of the warmer months of the year in Karbi Anglong and a relatively wet time of year, so plan for around 30.5°C daytime highs and 22.3°C at night.
Not quite — September is the 8th coolest month in Karbi Anglong, averaging 26.4°C.
For September in Karbi Anglong, pack light, breathable clothing and sun protection, with typical highs of 30.5°C and lows of 22.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 83% — quite humid.
Average wind speed in September is 0.1 m/s. The windiest September on record averaged 0.1 m/s (1981).
The wettest September on record was 1987 with 282 mm. On average, September sees 174 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 Karbi Anglong 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.
