September is one of the warmer months of the year in Hailakandi, with average highs near 37.1°C and lows around 22.5°C (mean 29.8°C). It is a relatively wet time of year, averaging 262 mm of rainfall and 84% relative humidity across the period.
September is one of the warmer months of the year in Hailakandi. Across 45 years of records, the warmest September in Hailakandi was 2024 — when the month averaged 31.9°C — while the coldest was 1997 at 27.7°C. Typical September days reach 37.1°C with nights near 22.5°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 | 29.4°C | 29.5°C | 29.6°C | 29.7°C | 31.3°C | +1.9°C |
| Avg High | 36.8°C | 37.3°C | 36.6°C | 36.6°C | 39.2°C | +2.4°C |
| Avg Low | 22.1°C | 21.7°C | 22.5°C | 22.9°C | 23.5°C | +1.4°C |
| Avg Rain | 218 mm | 192 mm | 226 mm | 344 mm | 370 mm | +152 mm |
September temperatures in Hailakandi have risen by about 2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.4°C (1994) to a record high of 40.6°C (2024).
Rainfall in September is a relatively wet time of year, averaging 262 mm, with a wettest year of 523 mm.
A good time to visit Hailakandi
September is a good time to visit Hailakandi, with days averaging 37.1°C and nights around 22.5°C (mean 29.8°C, warmer than Hailakandi's yearly average) and higher rainfall. November and February are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 39.1°C | 23.6°C | 31.3°C | 413 mm | 86% | 0.2 m/s | 4.8 |
| 2024 🔥 | 40.6°C | 23.3°C | 31.9°C | 308 mm | 82% | 0.2 m/s | 4.8 |
| 2023 | 39.8°C | 23.7°C | 31.7°C | 290 mm | 82% | 0.2 m/s | 5.2 |
| 2022 | 37.8°C | 22.9°C | 30.4°C | 426 mm | 85% | 0.2 m/s | 4.6 |
| 2021 | 38.4°C | 23.5°C | 30.9°C | 262 mm | 83% | 0.2 m/s | 5.3 |
| 2020 🌧️ | 39.5°C | 23.9°C | 31.7°C | 523 mm | 86% | 0.2 m/s | 4.2 |
| 2019 | 35.8°C | 22.5°C | 29.1°C | 383 mm | 85% | 0.2 m/s | 4.9 |
| 2018 | 37.5°C | 23.8°C | 30.6°C | 312 mm | 85% | 0.2 m/s | 4.7 |
| 2017 | 36.3°C | 23.7°C | 30.0°C | 512 mm | 87% | 0.2 m/s | 4.1 |
| 2016 | 36.1°C | 23.7°C | 29.9°C | 430 mm | 87% | 0.2 m/s | 4.6 |
| 2015 | 37.8°C | 22.0°C | 29.9°C | 310 mm | 86% | 0.2 m/s | 4.4 |
| 2014 | 36.7°C | 21.2°C | 28.9°C | 436 mm | 85% | 0.2 m/s | 4.7 |
| 2013 | 35.6°C | 23.2°C | 29.4°C | 273 mm | 88% | 0.2 m/s | 4.5 |
| 2012 | 36.0°C | 24.1°C | 30.1°C | 205 mm | 89% | 0.2 m/s | 4.6 |
| 2011 | 38.6°C | 22.8°C | 30.7°C | 227 mm | 84% | 0.2 m/s | 5 |
| 2010 | 35.3°C | 22.3°C | 28.8°C | 357 mm | 87% | 0.2 m/s | 4.2 |
| 2009 | 37.9°C | 23.3°C | 30.6°C | 175 mm | 84% | 0.2 m/s | 4.8 |
| 2008 | 35.3°C | 23.0°C | 29.1°C | 134 mm | 86% | 0.2 m/s | 5 |
| 2007 | 37.1°C | 20.7°C | 28.9°C | 300 mm | 86% | 0.2 m/s | 4.3 |
| 2006 | 38.1°C | 23.0°C | 30.5°C | 207 mm | 83% | 0.2 m/s | 4.5 |
| 2005 | 37.3°C | 23.2°C | 30.3°C | 267 mm | 84% | 0.2 m/s | 4.6 |
| 2004 | 34.5°C | 22.1°C | 28.3°C | 306 mm | 87% | 0.2 m/s | 3.8 |
| 2003 | 36.0°C | 23.6°C | 29.8°C | 245 mm | 85% | 0.2 m/s | 4.6 |
| 2002 | 36.5°C | 21.4°C | 28.9°C | 207 mm | 84% | 0.2 m/s | 5 |
| 2001 | 35.9°C | 23.2°C | 29.5°C | 182 mm | 85% | 0.2 m/s | 4.7 |
| 2000 | 37.4°C | 21.9°C | 29.7°C | 234 mm | 85% | 0.2 m/s | 3.9 |
| 1999 | 35.7°C | 23.0°C | 29.4°C | 181 mm | 86% | 0.2 m/s | 4.6 |
| 1998 | 37.4°C | 22.3°C | 29.9°C | 155 mm | 83% | 0.2 m/s | 5 |
| 1997 ❄️ | 35.9°C | 19.6°C | 27.7°C | 378 mm | 86% | 0.2 m/s | 4.1 |
| 1996 | 37.6°C | 23.1°C | 30.3°C | 128 mm | 81% | 0.2 m/s | 5.1 |
| 1995 | 34.9°C | 22.5°C | 28.7°C | 169 mm | 86% | 0.2 m/s | 4.3 |
| 1994 | 39.0°C | 19.4°C | 29.2°C | 67 mm | 78% | 0.2 m/s | 5.2 |
| 1993 | 37.3°C | 22.3°C | 29.8°C | 176 mm | 84% | 0.2 m/s | 4.2 |
| 1992 | 39.1°C | 22.0°C | 30.6°C | 133 mm | 80% | 0.2 m/s | 4.7 |
| 1991 | 37.3°C | 21.9°C | 29.6°C | 285 mm | 85% | 0.2 m/s | 3.4 |
| 1990 | 39.0°C | 21.1°C | 30.1°C | 248 mm | 83% | 0.2 m/s | 4 |
| 1989 | 38.6°C | 22.7°C | 30.6°C | 184 mm | 81% | 0.2 m/s | 4.3 |
| 1988 | 38.8°C | 22.7°C | 30.8°C | 204 mm | 86% | 0.2 m/s | 4.2 |
| 1987 | 37.0°C | 21.9°C | 29.4°C | 227 mm | 85% | 0.2 m/s | 4.1 |
| 1986 | 34.9°C | 21.0°C | 27.9°C | 202 mm | 83% | 0.2 m/s | 4.2 |
| 1985 | 35.5°C | 22.5°C | 29.0°C | 235 mm | 83% | 0.2 m/s | 4.8 |
| 1984 | 35.2°C | 20.7°C | 27.9°C | 332 mm | 85% | 0.2 m/s | 4 |
| 1983 | 35.6°C | 22.7°C | 29.2°C | 199 mm | 84% | 0.2 m/s | — |
| 1982 | 38.4°C | 22.0°C | 30.2°C | 219 mm | 83% | 0.2 m/s | — |
| 1981 | 37.1°C | 22.6°C | 29.9°C | 161 mm | 84% | 0.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 37.1°C with lows near 22.5°C (mean 29.8°C), based on 45 years of NASA POWER data.
September averages 262 mm of rainfall in Hailakandi, a relatively wet time of year. The wettest on record was 523 mm in 2020.
The hottest September reached 40.6°C in 2024. The coldest dipped to 19.4°C in 1994.
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 36.4°C to 39.1°C and overnight lows from 22.1°C to 23.4°C over the same span.
September is one of the warmer months of the year in Hailakandi and a relatively wet time of year, so plan for around 37.1°C daytime highs and 22.5°C at night.
Not quite — September is the 8th coolest month in Hailakandi, averaging 29.8°C.
For September in Hailakandi, pack light, breathable clothing and sun protection, with typical highs of 37.1°C and lows of 22.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 0.2 m/s. The windiest September on record averaged 0.2 m/s (1981).
The wettest September on record was 2020 with 523 mm. On average, September sees 262 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 Hailakandi 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.
