September is one of the warmer months of the year in Darrang, with average highs near 33.8°C and lows around 22.7°C (mean 28.3°C). It is a relatively wet time of year, averaging 208 mm of rainfall and 84% relative humidity across the period.
September is one of the warmer months of the year in Darrang. Across 45 years of records, the warmest September in Darrang was 2023 — when the month averaged 30.9°C — while the coldest was 1997 at 26.3°C. Typical September days reach 33.8°C with nights near 22.7°C. The long-term trend is warming, about 0.4°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.8°C | 27.9°C | 28.0°C | 28.6°C | 29.5°C | +1.7°C |
| Avg High | 33.3°C | 33.9°C | 33.4°C | 33.9°C | 35.3°C | +2°C |
| Avg Low | 22.3°C | 21.9°C | 22.5°C | 23.3°C | 23.7°C | +1.4°C |
| Avg Rain | 264 mm | 201 mm | 164 mm | 244 mm | 149 mm | -115 mm |
September temperatures in Darrang have risen by about 1.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.2°C (1997) to a record high of 37.7°C (2023).
Rainfall in September is a relatively wet time of year, averaging 208 mm, with a wettest year of 401 mm.
A good time to visit Darrang
September is a good time to visit Darrang, with days averaging 33.8°C and nights around 22.7°C (mean 28.3°C, warmer than Darrang'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 | 34.7°C | 23.9°C | 29.3°C | 132 mm | 83% | 1.6 m/s | 4.4 |
| 2024 | 36.7°C | 23.1°C | 29.9°C | 143 mm | 80% | 1.4 m/s | 4.7 |
| 2023 🔥 | 37.7°C | 24.1°C | 30.9°C | 107 mm | 77% | 1.5 m/s | 5.1 |
| 2022 | 34.1°C | 23.9°C | 29.0°C | 88 mm | 85% | 1.5 m/s | 4.4 |
| 2021 | 34.3°C | 23.7°C | 29.0°C | 162 mm | 82% | 1.4 m/s | 5 |
| 2020 | 34.2°C | 23.7°C | 28.9°C | 264 mm | 88% | 1.6 m/s | 3.9 |
| 2019 | 35.3°C | 22.2°C | 28.7°C | 328 mm | 85% | 1.3 m/s | 4 |
| 2018 | 33.8°C | 23.9°C | 28.9°C | 248 mm | 85% | 1.6 m/s | 4.2 |
| 2017 | 32.8°C | 24.6°C | 28.7°C | 238 mm | 87% | 1.6 m/s | 4 |
| 2016 | 33.6°C | 22.9°C | 28.3°C | 109 mm | 86% | 1.5 m/s | 4.3 |
| 2015 | 33.4°C | 24.3°C | 28.9°C | 269 mm | 86% | 1.5 m/s | 4.5 |
| 2014 🌧️ | 33.4°C | 23.2°C | 28.3°C | 401 mm | 85% | 1.4 m/s | 4.2 |
| 2013 | 34.2°C | 22.5°C | 28.3°C | 152 mm | 85% | 1.5 m/s | 4.6 |
| 2012 | 35.7°C | 23.7°C | 29.7°C | 176 mm | 87% | 1.9 m/s | 3.9 |
| 2011 | 33.8°C | 23.2°C | 28.5°C | 244 mm | 84% | 1.6 m/s | 4.6 |
| 2010 | 32.8°C | 22.0°C | 27.4°C | 275 mm | 86% | 1.5 m/s | 4.2 |
| 2009 | 33.6°C | 22.7°C | 28.1°C | 192 mm | 83% | 1.7 m/s | 4.7 |
| 2008 | 33.0°C | 23.1°C | 28.1°C | 118 mm | 83% | 1.6 m/s | 4.7 |
| 2007 | 32.6°C | 20.4°C | 26.5°C | 296 mm | 82% | 1.5 m/s | 4.2 |
| 2006 | 35.3°C | 22.8°C | 29.0°C | 111 mm | 81% | 1.7 m/s | 4.6 |
| 2005 | 34.4°C | 23.8°C | 29.1°C | 106 mm | 81% | 1.6 m/s | 4.8 |
| 2004 | 32.5°C | 21.8°C | 27.2°C | 137 mm | 86% | 1.7 m/s | 4 |
| 2003 | 32.6°C | 23.6°C | 28.1°C | 216 mm | 85% | 1.5 m/s | 4.5 |
| 2002 | 34.2°C | 22.1°C | 28.2°C | 139 mm | 82% | 1.7 m/s | 4.6 |
| 2001 | 32.8°C | 23.2°C | 28.0°C | 167 mm | 84% | 1.3 m/s | 4.3 |
| 2000 | 33.4°C | 21.4°C | 27.4°C | 164 mm | 85% | 1.4 m/s | 4.2 |
| 1999 | 33.3°C | 22.6°C | 27.9°C | 218 mm | 84% | 1.2 m/s | 4.5 |
| 1998 | 33.7°C | 23.4°C | 28.6°C | 199 mm | 81% | 1.3 m/s | 4.7 |
| 1997 ❄️ | 33.4°C | 19.2°C | 26.3°C | 177 mm | 85% | 1.7 m/s | 4 |
| 1996 | 34.3°C | 22.7°C | 28.5°C | 145 mm | 82% | 1.6 m/s | 4.5 |
| 1995 | 34.5°C | 21.3°C | 27.9°C | 347 mm | 86% | 1.6 m/s | 4.4 |
| 1994 | 34.0°C | 21.2°C | 27.6°C | 58 mm | 81% | 1.4 m/s | 5 |
| 1993 | 33.5°C | 22.7°C | 28.1°C | 257 mm | 84% | 1.5 m/s | 4 |
| 1992 | 34.4°C | 21.4°C | 27.9°C | 175 mm | 81% | 1.4 m/s | 4.1 |
| 1991 | 32.2°C | 23.2°C | 27.7°C | 221 mm | 85% | 1.2 m/s | 3.5 |
| 1990 | 35.4°C | 21.4°C | 28.4°C | 214 mm | 85% | 1.6 m/s | 3.7 |
| 1989 | 34.1°C | 23.1°C | 28.6°C | 329 mm | 84% | 1.5 m/s | 4.2 |
| 1988 | 32.8°C | 22.6°C | 27.7°C | 190 mm | 86% | 1.7 m/s | 3.8 |
| 1987 | 32.6°C | 21.4°C | 27.0°C | 357 mm | 85% | 1.3 m/s | 4 |
| 1986 | 33.1°C | 20.9°C | 27.0°C | 179 mm | 82% | 1.8 m/s | 3.8 |
| 1985 | 33.5°C | 23.1°C | 28.3°C | 309 mm | 83% | 1.5 m/s | 4.8 |
| 1984 | 33.0°C | 21.1°C | 27.0°C | 312 mm | 85% | 1.4 m/s | 3.7 |
| 1983 | 33.4°C | 23.5°C | 28.4°C | 316 mm | 85% | 1.5 m/s | — |
| 1982 | 34.2°C | 21.9°C | 28.1°C | 125 mm | 84% | 1.6 m/s | — |
| 1981 | 32.9°C | 22.8°C | 27.8°C | 262 mm | 85% | 1.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 33.8°C with lows near 22.7°C (mean 28.3°C), based on 45 years of NASA POWER data.
September averages 208 mm of rainfall in Darrang, a relatively wet time of year. The wettest on record was 401 mm in 2014.
The hottest September reached 37.7°C in 2023. The coldest dipped to 19.2°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.7°C. Daytime highs moved from 33.4°C to 35.5°C and overnight lows from 22.5°C to 23.7°C over the same span.
September is one of the warmer months of the year in Darrang and a relatively wet time of year, so plan for around 33.8°C daytime highs and 22.7°C at night.
Not quite — September is the 8th coolest month in Darrang, averaging 28.3°C.
For September in Darrang, pack light, breathable clothing and sun protection, with typical highs of 33.8°C and lows of 22.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 1.5 m/s. The windiest September on record averaged 1.9 m/s (2012).
The wettest September on record was 2014 with 401 mm. On average, September sees 208 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 Darrang 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.
