September is one of the warmer months of the year in Maharajganj, with average highs near 34°C and lows around 22°C (mean 28°C). It is a relatively wet time of year, averaging 186 mm of rainfall and 83% relative humidity across the period.
September is one of the warmer months of the year in Maharajganj. Across 45 years of records, the warmest September in Maharajganj was 1983 — when the month averaged 31.1°C — while the coldest was 1984 at 25.1°C. Typical September days reach 34°C with nights near 22°C. The long-term September temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.2°C | 27.9°C | 28.0°C | 27.6°C | 28.4°C | +0.2°C |
| Avg High | 34.7°C | 34.2°C | 33.9°C | 33.4°C | 33.6°C | -1.1°C |
| Avg Low | 21.7°C | 21.7°C | 22.2°C | 21.8°C | 23.2°C | +1.5°C |
| Avg Rain | 161 mm | 137 mm | 167 mm | 237 mm | 248 mm | +87 mm |
September temperatures in Maharajganj have risen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.7°C (1994) to a record high of 38°C (2002).
Rainfall in September is a relatively wet time of year, averaging 186 mm, with a wettest year of 442 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Maharajganj
September is a good time to visit Maharajganj, with days averaging 34°C and nights around 22°C (mean 28°C, warmer than Maharajganj'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 | 33.6°C | 24.2°C | 28.9°C | 251 mm | 88% | 1.7 m/s | 4.4 |
| 2024 | 35.5°C | 22.7°C | 29.1°C | 327 mm | 86% | 1.8 m/s | 4.4 |
| 2023 | 33.3°C | 24.0°C | 28.6°C | 121 mm | 87% | 1.8 m/s | 4.7 |
| 2022 | 33.0°C | 22.8°C | 27.9°C | 302 mm | 87% | 1.8 m/s | 4 |
| 2021 | 32.4°C | 24.3°C | 28.4°C | 214 mm | 89% | 1.9 m/s | 4.6 |
| 2020 | 34.0°C | 21.4°C | 27.7°C | 274 mm | 86% | 1.5 m/s | 3.9 |
| 2019 | 33.2°C | 21.3°C | 27.2°C | 384 mm | 88% | 2.1 m/s | 3.8 |
| 2018 | 32.8°C | 22.3°C | 27.6°C | 119 mm | 85% | 2.1 m/s | 4.8 |
| 2017 | 33.5°C | 23.1°C | 28.3°C | 162 mm | 86% | 1.6 m/s | 5 |
| 2016 | 33.2°C | 23.4°C | 28.3°C | 284 mm | 86% | 1.4 m/s | 4.4 |
| 2015 | 34.6°C | 19.0°C | 26.8°C | 69 mm | 78% | 1.5 m/s | 5.2 |
| 2014 | 34.0°C | 20.5°C | 27.3°C | 219 mm | 84% | 1.6 m/s | 4.9 |
| 2013 | 33.4°C | 23.2°C | 28.3°C | 192 mm | 84% | 1.5 m/s | 5 |
| 2012 🌧️ | 33.3°C | 21.4°C | 27.4°C | 442 mm | 85% | 1.6 m/s | 4.7 |
| 2011 | 33.0°C | 22.5°C | 27.7°C | 174 mm | 86% | 1.8 m/s | 4.8 |
| 2010 | 32.7°C | 21.5°C | 27.1°C | 324 mm | 87% | 2 m/s | 4.1 |
| 2009 | 33.1°C | 23.2°C | 28.2°C | 115 mm | 84% | 1.6 m/s | 5 |
| 2008 | 32.3°C | 21.5°C | 26.9°C | 216 mm | 88% | 1.6 m/s | 5.1 |
| 2007 | 32.6°C | 21.7°C | 27.1°C | 319 mm | 87% | 2 m/s | 4.3 |
| 2006 | 33.6°C | 22.2°C | 27.9°C | 170 mm | 83% | 1.6 m/s | 5 |
| 2005 | 33.3°C | 22.8°C | 28.0°C | 87 mm | 86% | 1.8 m/s | 4.8 |
| 2004 | 35.0°C | 21.9°C | 28.4°C | 103 mm | 79% | 1.5 m/s | 4.7 |
| 2003 | 36.2°C | 23.2°C | 29.7°C | 113 mm | 75% | 2 m/s | 4.3 |
| 2002 | 38.0°C | 23.5°C | 30.7°C | 118 mm | 66% | 2.3 m/s | 4.7 |
| 2001 | 32.5°C | 21.3°C | 26.9°C | 230 mm | 83% | 1.4 m/s | 4.5 |
| 2000 | 32.7°C | 20.5°C | 26.6°C | 200 mm | 84% | 1.8 m/s | 4.6 |
| 1999 | 34.8°C | 23.5°C | 29.1°C | 52 mm | 77% | 2.2 m/s | 4.9 |
| 1998 | 33.2°C | 23.1°C | 28.1°C | 104 mm | 86% | 2 m/s | 5.1 |
| 1997 | 34.4°C | 20.4°C | 27.4°C | 139 mm | 77% | 1.8 m/s | 4.9 |
| 1996 | 33.5°C | 23.3°C | 28.4°C | 81 mm | 82% | 1.5 m/s | 5.4 |
| 1995 | 34.2°C | 22.7°C | 28.4°C | 130 mm | 81% | 2.1 m/s | 5.2 |
| 1994 | 36.1°C | 16.7°C | 26.4°C | 208 mm | 78% | 2 m/s | 4.5 |
| 1993 | 33.8°C | 22.1°C | 28.0°C | 176 mm | 84% | 2.2 m/s | 4.4 |
| 1992 | 35.4°C | 21.1°C | 28.2°C | 107 mm | 74% | 1.9 m/s | 4.6 |
| 1991 | 33.0°C | 20.9°C | 27.0°C | 229 mm | 82% | 1.4 m/s | 4.3 |
| 1990 | 33.5°C | 22.7°C | 28.1°C | 140 mm | 86% | 2 m/s | 4.5 |
| 1989 | 36.7°C | 23.2°C | 29.9°C | 95 mm | 76% | 1.9 m/s | 4.6 |
| 1988 | 33.6°C | 22.8°C | 28.2°C | 95 mm | 85% | 1.9 m/s | 4.6 |
| 1987 | 33.1°C | 20.7°C | 26.9°C | 296 mm | 87% | 1.6 m/s | 4.6 |
| 1986 | 37.2°C | 21.3°C | 29.3°C | 51 mm | 69% | 2.4 m/s | 5.1 |
| 1985 | 33.7°C | 22.0°C | 27.8°C | 250 mm | 86% | 1.9 m/s | 4.3 |
| 1984 ❄️ | 31.3°C | 19.0°C | 25.1°C | 248 mm | 85% | 2 m/s | 4.6 |
| 1983 🔥 | 37.6°C | 24.5°C | 31.1°C | 53 mm | 69% | 2.5 m/s | — |
| 1982 | 36.5°C | 19.1°C | 27.8°C | 174 mm | 80% | 1.9 m/s | — |
| 1981 | 32.9°C | 22.9°C | 27.9°C | 188 mm | 86% | 1.9 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34°C with lows near 22°C (mean 28°C), based on 45 years of NASA POWER data.
September averages 186 mm of rainfall in Maharajganj, a relatively wet time of year. The wettest on record was 442 mm in 2012.
The hottest September reached 38°C in 2002. The coldest dipped to 16.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.7°C. Daytime highs moved from 34.4°C to 33.6°C and overnight lows from 21.5°C to 23.6°C over the same span.
September is one of the warmer months of the year in Maharajganj and a relatively wet time of year, so plan for around 34°C daytime highs and 22°C at night.
Not quite — September is the 7th coolest month in Maharajganj, averaging 28°C.
For September in Maharajganj, pack light, breathable clothing and sun protection, with typical highs of 34°C and lows of 22°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 83% — quite humid.
Average wind speed in September is 1.8 m/s. The windiest September on record averaged 2.5 m/s (1983).
The wettest September on record was 2012 with 442 mm. On average, September sees 186 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 Maharajganj 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.
