September is one of the warmer months of the year in Dibrugarh, with average highs near 32.7°C and lows around 24.6°C (mean 28.7°C). It is a relatively wet time of year, averaging 317 mm of rainfall and 78% relative humidity across the period.
September is one of the warmer months of the year in Dibrugarh. Across 45 years of records, the warmest September in Dibrugarh was 2024 — when the month averaged 31.2°C — while the coldest was 1984 at 27°C. Typical September days reach 32.7°C with nights near 24.6°C. The long-term trend is warming, about 0.4°C per decade.
September is a relatively wet time of year in Dibrugarh, averaging 317 mm of rainfall. The wettest September on record was 1990 with 609 mm, while the driest was 2005 at 111 mm.
Relative humidity in Dibrugarh during September averages 78%. The most humid September was 2012 at 86%, and the least humid was 2005 at 70%.
September receives about 4 kWh/m²/day of solar energy in Dibrugarh. The sunniest Septembers were 1998, 2009 and 2021 at 5 kWh/m²/day, and the cloudiest was 1991 at 3.
Average wind speed in Dibrugarh during September is 0.4 m/s. The windiest Septembers were 2018, 2019 and 2020, among others at 0.5 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.9°C | 28.6°C | 28.8°C | 28.5°C | 29.8°C | +1.9°C |
| Avg High | 31.8°C | 32.8°C | 33.1°C | 32.2°C | 34.0°C | +2.2°C |
| Avg Low | 24.0°C | 24.4°C | 24.6°C | 24.8°C | 25.7°C | +1.7°C |
| Avg Rain | 331 mm | 341 mm | 230 mm | 395 mm | 268 mm | -63 mm |
September temperatures in Dibrugarh have risen by about 2.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.5°C (1997) to a record high of 43°C (2023).
Rainfall in September is a relatively wet time of year, averaging 317 mm, with a wettest year of 609 mm.
A quieter season to visit Dibrugarh
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Dibrugarh. That said, September — with days averaging 32.7°C and nights around 24.6°C (mean 28.7°C) and higher rainfall (317 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.0°C | 29.4°C | 25.9°C | 39.3°C | 24.8°C | 211 mm | 81% | 0.4 m/s | 4.4 |
| 2024 🔥 | 35.4°C | 31.2°C | 27.0°C | 41.5°C | 24.3°C | 308 mm | 74% | 0.4 m/s | 4.9 |
| 2023 | 35.9°C | 30.8°C | 25.8°C | 43.0°C | 24.2°C | 155 mm | 70% | 0.4 m/s | 4.7 |
| 2022 | 32.7°C | 28.8°C | 24.8°C | 37.1°C | 23.3°C | 314 mm | 80% | 0.4 m/s | 3.7 |
| 2021 | 34.5°C | 29.9°C | 25.4°C | 38.6°C | 24.0°C | 128 mm | 77% | 0.4 m/s | 5 |
| 2020 | 32.4°C | 28.9°C | 25.4°C | 37.8°C | 24.2°C | 494 mm | 83% | 0.5 m/s | 3.3 |
| 2019 | 32.3°C | 28.7°C | 25.1°C | 39.4°C | 22.1°C | 420 mm | 82% | 0.5 m/s | 3.6 |
| 2018 | 32.0°C | 28.6°C | 25.3°C | 39.1°C | 23.6°C | 392 mm | 82% | 0.5 m/s | 3.4 |
| 2017 | 32.1°C | 28.7°C | 25.3°C | 38.8°C | 23.6°C | 315 mm | 84% | 0.5 m/s | 3.7 |
| 2016 | 32.5°C | 28.7°C | 24.8°C | 37.1°C | 21.6°C | 445 mm | 82% | 0.5 m/s | 3.6 |
| 2015 | 32.0°C | 28.3°C | 24.6°C | 35.5°C | 23.1°C | 245 mm | 83% | 0.5 m/s | 4 |
| 2014 | 32.5°C | 28.7°C | 24.8°C | 37.1°C | 22.3°C | 402 mm | 80% | 0.4 m/s | 4 |
| 2013 | 32.4°C | 28.6°C | 24.7°C | 36.8°C | 23.3°C | 229 mm | 81% | 0.5 m/s | 4.5 |
| 2012 | 31.0°C | 27.7°C | 24.4°C | 38.4°C | 22.7°C | 562 mm | 86% | 0.5 m/s | 3.5 |
| 2011 | 33.0°C | 29.0°C | 24.9°C | 37.5°C | 22.4°C | 371 mm | 77% | 0.5 m/s | 4.7 |
| 2010 | 32.0°C | 28.2°C | 24.4°C | 35.4°C | 21.9°C | 566 mm | 80% | 0.4 m/s | 3.8 |
| 2009 | 33.9°C | 29.3°C | 24.7°C | 37.9°C | 22.7°C | 208 mm | 75% | 0.4 m/s | 5 |
| 2008 | 33.6°C | 29.2°C | 24.7°C | 37.2°C | 23.2°C | 247 mm | 74% | 0.4 m/s | 4.5 |
| 2007 | 32.8°C | 28.3°C | 23.8°C | 37.7°C | 19.4°C | 326 mm | 73% | 0.5 m/s | 4.2 |
| 2006 | 33.0°C | 28.9°C | 24.8°C | 39.4°C | 22.7°C | 243 mm | 73% | 0.4 m/s | 4.2 |
| 2005 | 35.2°C | 30.3°C | 25.4°C | 39.5°C | 23.7°C | 111 mm | 70% | 0.4 m/s | 4.8 |
| 2004 | 32.3°C | 28.3°C | 24.3°C | 35.7°C | 21.8°C | 149 mm | 76% | 0.4 m/s | 3.9 |
| 2003 | 32.6°C | 28.7°C | 24.8°C | 35.4°C | 23.2°C | 243 mm | 77% | 0.4 m/s | 3.8 |
| 2002 | 32.9°C | 28.5°C | 24.1°C | 38.6°C | 21.3°C | 241 mm | 76% | 0.5 m/s | 4.3 |
| 2001 | 32.3°C | 28.7°C | 25.1°C | 35.4°C | 23.2°C | 200 mm | 76% | 0.4 m/s | 4.1 |
| 2000 | 32.2°C | 28.1°C | 23.9°C | 39.6°C | 21.1°C | 334 mm | 78% | 0.5 m/s | 3.8 |
| 1999 | 33.2°C | 29.1°C | 25.0°C | 37.6°C | 23.4°C | 205 mm | 75% | 0.4 m/s | 4.3 |
| 1998 | 34.3°C | 29.8°C | 25.4°C | 38.6°C | 22.8°C | 119 mm | 71% | 0.4 m/s | 5 |
| 1997 | 31.1°C | 27.2°C | 23.3°C | 37.6°C | 18.5°C | 251 mm | 80% | 0.5 m/s | 3.6 |
| 1996 | 33.4°C | 29.0°C | 24.6°C | 39.1°C | 23.0°C | 125 mm | 74% | 0.4 m/s | 4.1 |
| 1995 | 32.2°C | 28.1°C | 24.0°C | 39.3°C | 20.4°C | 522 mm | 79% | 0.5 m/s | 4.1 |
| 1994 | 34.9°C | 30.1°C | 25.2°C | 40.0°C | 21.7°C | 346 mm | 73% | 0.4 m/s | 4.4 |
| 1993 | 32.3°C | 28.2°C | 24.1°C | 36.9°C | 21.7°C | 424 mm | 77% | 0.4 m/s | 4 |
| 1992 | 33.0°C | 28.6°C | 24.1°C | 37.5°C | 21.3°C | 352 mm | 75% | 0.4 m/s | 3.9 |
| 1991 | 31.8°C | 28.0°C | 24.2°C | 35.3°C | 22.3°C | 462 mm | 80% | 0.4 m/s | 3 |
| 1990 🌧️ | 32.2°C | 28.2°C | 24.3°C | 39.8°C | 20.2°C | 609 mm | 80% | 0.4 m/s | 3.1 |
| 1989 | 31.5°C | 27.8°C | 24.1°C | 35.2°C | 21.6°C | 383 mm | 81% | 0.5 m/s | 3.7 |
| 1988 | 32.5°C | 28.4°C | 24.3°C | 37.8°C | 22.4°C | 336 mm | 80% | 0.5 m/s | 3.2 |
| 1987 | 31.8°C | 28.0°C | 24.3°C | 37.7°C | 20.5°C | 441 mm | 80% | 0.4 m/s | 3.4 |
| 1986 | 31.3°C | 27.4°C | 23.5°C | 36.4°C | 20.2°C | 349 mm | 79% | 0.5 m/s | 3.5 |
| 1985 | 31.5°C | 27.8°C | 24.0°C | 37.3°C | 22.4°C | 280 mm | 80% | 0.5 m/s | 4 |
| 1984 ❄️ | 31.0°C | 27.0°C | 23.0°C | 36.3°C | 20.9°C | 378 mm | 79% | 0.5 m/s | 3.5 |
| 1983 | 32.3°C | 28.3°C | 24.3°C | 39.1°C | 22.4°C | 359 mm | 79% | 0.4 m/s | — |
| 1982 | 32.2°C | 28.1°C | 24.0°C | 39.5°C | 22.1°C | 225 mm | 78% | 0.5 m/s | — |
| 1981 | 32.1°C | 28.2°C | 24.3°C | 37.1°C | 22.6°C | 231 mm | 78% | 0.4 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 32.7°C with lows near 24.6°C (mean 28.7°C), based on 45 years of NASA POWER data.
September averages 317 mm of rainfall in Dibrugarh, a relatively wet time of year. The wettest on record was 609 mm in 1990.
The hottest September reached 43°C in 2023. The coldest dipped to 18.5°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.1°C. Daytime highs moved from 31.8°C to 34.3°C and overnight lows from 23.9°C to 25.8°C over the same span.
September is one of the warmer months of the year in Dibrugarh and a relatively wet time of year, so plan for around 32.7°C daytime highs and 24.6°C at night.
Not quite — September is the 9th coolest month in Dibrugarh, averaging 28.7°C.
For September in Dibrugarh, pack light, breathable clothing and sun protection, with typical highs of 32.7°C and lows of 24.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 78% — 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 1990 with 609 mm. On average, September sees 317 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 Dibrugarh 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.
