September is one of the warmer months of the year in Dibrugarh, with average highs near 37.9°C and lows around 22.3°C (mean 30.1°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 2023 — when the month averaged 33.6°C — while the coldest was 1997 at 28°C. Typical September days reach 37.9°C with nights near 22.3°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 | 29.5°C | 29.8°C | 30.0°C | 30.1°C | 31.8°C | +2.3°C |
| Avg High | 37.4°C | 38.2°C | 37.6°C | 37.5°C | 39.6°C | +2.2°C |
| Avg Low | 21.7°C | 21.5°C | 22.2°C | 22.7°C | 24.1°C | +2.4°C |
| Avg Rain | 331 mm | 341 mm | 230 mm | 395 mm | 268 mm | -63 mm |
September temperatures in Dibrugarh have risen by about 2°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.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.6°C per decade, narrowing the gap between day and night.
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 37.9°C and nights around 22.3°C (mean 30.1°C) and higher rainfall (317 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 39.3°C | 24.8°C | 32.0°C | 211 mm | 81% | 0.4 m/s | 4.4 |
| 2024 | 41.5°C | 24.3°C | 32.9°C | 308 mm | 74% | 0.4 m/s | 4.9 |
| 2023 🔥 | 43.0°C | 24.2°C | 33.6°C | 155 mm | 70% | 0.4 m/s | 4.7 |
| 2022 | 37.1°C | 23.3°C | 30.2°C | 314 mm | 80% | 0.4 m/s | 3.7 |
| 2021 | 38.6°C | 24.0°C | 31.3°C | 128 mm | 77% | 0.4 m/s | 5 |
| 2020 | 37.8°C | 24.2°C | 31.0°C | 494 mm | 83% | 0.5 m/s | 3.3 |
| 2019 | 39.4°C | 22.1°C | 30.8°C | 420 mm | 82% | 0.5 m/s | 3.6 |
| 2018 | 39.1°C | 23.6°C | 31.3°C | 392 mm | 82% | 0.5 m/s | 3.4 |
| 2017 | 38.8°C | 23.6°C | 31.2°C | 315 mm | 84% | 0.5 m/s | 3.7 |
| 2016 | 37.1°C | 21.6°C | 29.3°C | 445 mm | 82% | 0.5 m/s | 3.6 |
| 2015 | 35.5°C | 23.1°C | 29.3°C | 245 mm | 83% | 0.5 m/s | 4 |
| 2014 | 37.1°C | 22.3°C | 29.7°C | 402 mm | 80% | 0.4 m/s | 4 |
| 2013 | 36.8°C | 23.3°C | 30.0°C | 229 mm | 81% | 0.5 m/s | 4.5 |
| 2012 | 38.4°C | 22.7°C | 30.5°C | 562 mm | 86% | 0.5 m/s | 3.5 |
| 2011 | 37.5°C | 22.4°C | 29.9°C | 371 mm | 77% | 0.5 m/s | 4.7 |
| 2010 | 35.4°C | 21.9°C | 28.7°C | 566 mm | 80% | 0.4 m/s | 3.8 |
| 2009 | 37.9°C | 22.7°C | 30.3°C | 208 mm | 75% | 0.4 m/s | 5 |
| 2008 | 37.2°C | 23.2°C | 30.2°C | 247 mm | 74% | 0.4 m/s | 4.5 |
| 2007 | 37.7°C | 19.4°C | 28.6°C | 326 mm | 73% | 0.5 m/s | 4.2 |
| 2006 | 39.4°C | 22.7°C | 31.0°C | 243 mm | 73% | 0.4 m/s | 4.2 |
| 2005 | 39.5°C | 23.7°C | 31.6°C | 111 mm | 70% | 0.4 m/s | 4.8 |
| 2004 | 35.7°C | 21.8°C | 28.8°C | 149 mm | 76% | 0.4 m/s | 3.9 |
| 2003 | 35.4°C | 23.2°C | 29.3°C | 243 mm | 77% | 0.4 m/s | 3.8 |
| 2002 | 38.6°C | 21.3°C | 30.0°C | 241 mm | 76% | 0.5 m/s | 4.3 |
| 2001 | 35.4°C | 23.2°C | 29.3°C | 200 mm | 76% | 0.4 m/s | 4.1 |
| 2000 | 39.6°C | 21.1°C | 30.4°C | 334 mm | 78% | 0.5 m/s | 3.8 |
| 1999 | 37.6°C | 23.4°C | 30.5°C | 205 mm | 75% | 0.4 m/s | 4.3 |
| 1998 | 38.6°C | 22.8°C | 30.7°C | 119 mm | 71% | 0.4 m/s | 5 |
| 1997 ❄️ | 37.6°C | 18.5°C | 28.0°C | 251 mm | 80% | 0.5 m/s | 3.6 |
| 1996 | 39.1°C | 23.0°C | 31.1°C | 125 mm | 74% | 0.4 m/s | 4.1 |
| 1995 | 39.3°C | 20.4°C | 29.8°C | 522 mm | 79% | 0.5 m/s | 4.1 |
| 1994 | 40.0°C | 21.7°C | 30.8°C | 346 mm | 73% | 0.4 m/s | 4.4 |
| 1993 | 36.9°C | 21.7°C | 29.3°C | 424 mm | 77% | 0.4 m/s | 4 |
| 1992 | 37.5°C | 21.3°C | 29.4°C | 352 mm | 75% | 0.4 m/s | 3.9 |
| 1991 | 35.3°C | 22.3°C | 28.8°C | 462 mm | 80% | 0.4 m/s | 3 |
| 1990 🌧️ | 39.8°C | 20.2°C | 30.0°C | 609 mm | 80% | 0.4 m/s | 3.1 |
| 1989 | 35.2°C | 21.6°C | 28.4°C | 383 mm | 81% | 0.5 m/s | 3.7 |
| 1988 | 37.8°C | 22.4°C | 30.1°C | 336 mm | 80% | 0.5 m/s | 3.2 |
| 1987 | 37.7°C | 20.5°C | 29.1°C | 441 mm | 80% | 0.4 m/s | 3.4 |
| 1986 | 36.4°C | 20.2°C | 28.3°C | 349 mm | 79% | 0.5 m/s | 3.5 |
| 1985 | 37.3°C | 22.4°C | 29.8°C | 280 mm | 80% | 0.5 m/s | 4 |
| 1984 | 36.3°C | 20.9°C | 28.6°C | 378 mm | 79% | 0.5 m/s | 3.5 |
| 1983 | 39.1°C | 22.4°C | 30.8°C | 359 mm | 79% | 0.4 m/s | — |
| 1982 | 39.5°C | 22.1°C | 30.8°C | 225 mm | 78% | 0.5 m/s | — |
| 1981 | 37.1°C | 22.6°C | 29.9°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 37.9°C with lows near 22.3°C (mean 30.1°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°C. Daytime highs moved from 37.9°C to 39.9°C and overnight lows from 22.1°C to 24.1°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 37.9°C daytime highs and 22.3°C at night.
Not quite — September is the 9th coolest month in Dibrugarh, averaging 30.1°C.
For September in Dibrugarh, pack light, breathable clothing and sun protection, with typical highs of 37.9°C and lows of 22.3°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.
