September is one of the warmer months of the year in Buxar, with average highs near 34.1°C and lows around 22.2°C (mean 28.2°C). It is a relatively wet time of year, averaging 160 mm of rainfall and 83% relative humidity across the period.
September is one of the warmer months of the year in Buxar. Across 45 years of records, the warmest September in Buxar was 1983 — when the month averaged 31.4°C — while the coldest were 1984 and 1994 at 24.5°C. Typical September days reach 34.1°C with nights near 22.2°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.2°C | 27.5°C | 28.3°C | 28.2°C | 29.0°C | +0.8°C |
| Avg High | 34.8°C | 33.2°C | 34.1°C | 34.4°C | 34.2°C | -0.6°C |
| Avg Low | 21.6°C | 21.8°C | 22.5°C | 22.0°C | 23.8°C | +2.2°C |
| Avg Rain | 161 mm | 166 mm | 144 mm | 174 mm | 156 mm | -5 mm |
September temperatures in Buxar have risen by about 1.3°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.5°C (1994) to a record high of 38.1°C (1983).
Rainfall in September is a relatively wet time of year, averaging 160 mm, with a wettest year of 341 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Buxar
September is a good time to visit Buxar, with days averaging 34.1°C and nights around 22.2°C (mean 28.2°C, warmer than Buxar'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 | 33.3°C | 24.8°C | 29.1°C | 112 mm | 86% | 1.5 m/s | 4.5 |
| 2024 | 33.6°C | 24.2°C | 28.9°C | 213 mm | 87% | 2 m/s | 4.5 |
| 2023 | 37.2°C | 24.3°C | 30.8°C | 106 mm | 78% | 2 m/s | 4.5 |
| 2022 | 34.3°C | 23.0°C | 28.7°C | 147 mm | 82% | 1.7 m/s | 4.1 |
| 2021 | 33.2°C | 24.2°C | 28.7°C | 163 mm | 86% | 2.1 m/s | 4.7 |
| 2020 | 33.7°C | 22.0°C | 27.9°C | 192 mm | 84% | 1.5 m/s | 4.2 |
| 2019 | 35.4°C | 21.7°C | 28.6°C | 327 mm | 83% | 2.1 m/s | 3.8 |
| 2018 | 33.7°C | 21.7°C | 27.7°C | 135 mm | 84% | 2 m/s | 4.9 |
| 2017 | 35.0°C | 23.0°C | 29.0°C | 53 mm | 80% | 1.5 m/s | 4.8 |
| 2016 | 33.8°C | 24.3°C | 29.0°C | 278 mm | 87% | 1.5 m/s | 3.9 |
| 2015 | 36.0°C | 20.9°C | 28.4°C | 38 mm | 73% | 2 m/s | 5.3 |
| 2014 | 34.3°C | 20.5°C | 27.4°C | 165 mm | 82% | 1.9 m/s | 4.7 |
| 2013 | 34.1°C | 23.8°C | 28.9°C | 168 mm | 79% | 1.6 m/s | 5 |
| 2012 | 33.4°C | 20.1°C | 26.7°C | 198 mm | 83% | 1.8 m/s | 4.6 |
| 2011 | 33.6°C | 22.8°C | 28.2°C | 246 mm | 86% | 2.2 m/s | 4.5 |
| 2010 | 34.4°C | 20.9°C | 27.6°C | 133 mm | 83% | 2 m/s | 4.8 |
| 2009 | 34.6°C | 23.2°C | 28.9°C | 139 mm | 82% | 1.9 m/s | 5 |
| 2008 | 33.2°C | 21.9°C | 27.6°C | 119 mm | 87% | 1.8 m/s | 5.3 |
| 2007 | 33.6°C | 23.2°C | 28.4°C | 234 mm | 86% | 2.1 m/s | 4.5 |
| 2006 | 34.5°C | 22.4°C | 28.5°C | 142 mm | 82% | 2.1 m/s | 4.9 |
| 2005 | 34.1°C | 22.3°C | 28.2°C | 89 mm | 83% | 2.3 m/s | 4.8 |
| 2004 | 37.8°C | 22.6°C | 30.2°C | 54 mm | 72% | 1.9 m/s | 5.1 |
| 2003 | 33.5°C | 23.9°C | 28.7°C | 136 mm | 85% | 2.2 m/s | 4.3 |
| 2002 | 34.3°C | 21.9°C | 28.1°C | 125 mm | 80% | 2.3 m/s | 4.8 |
| 2001 | 32.9°C | 21.9°C | 27.4°C | 165 mm | 84% | 1.7 m/s | 4.9 |
| 2000 | 32.7°C | 21.4°C | 27.0°C | 240 mm | 87% | 2.5 m/s | 4.1 |
| 1999 | 32.8°C | 22.9°C | 27.8°C | 86 mm | 87% | 2.3 m/s | 4.9 |
| 1998 | 33.0°C | 23.6°C | 28.3°C | 189 mm | 87% | 2.1 m/s | 4.9 |
| 1997 | 32.6°C | 21.3°C | 27.0°C | 164 mm | 84% | 1.6 m/s | 4.7 |
| 1996 | 33.1°C | 23.2°C | 28.1°C | 148 mm | 84% | 1.3 m/s | 5 |
| 1995 | 33.1°C | 21.3°C | 27.2°C | 236 mm | 86% | 2.2 m/s | 4.7 |
| 1994 | 32.5°C | 16.5°C | 24.5°C | 160 mm | 84% | 2.4 m/s | 5 |
| 1993 | 32.8°C | 23.0°C | 27.9°C | 298 mm | 88% | 2.2 m/s | 4.4 |
| 1992 | 35.0°C | 21.5°C | 28.2°C | 64 mm | 79% | 2 m/s | 5.3 |
| 1991 | 32.7°C | 21.3°C | 27.0°C | 200 mm | 84% | 1.4 m/s | 4.6 |
| 1990 | 34.4°C | 23.2°C | 28.8°C | 112 mm | 87% | 2.2 m/s | 4.4 |
| 1989 | 37.4°C | 23.9°C | 30.6°C | 128 mm | 77% | 1.8 m/s | 4.8 |
| 1988 | 34.0°C | 23.4°C | 28.7°C | 101 mm | 84% | 1.8 m/s | 5.4 |
| 1987 🌧️ | 33.4°C | 20.1°C | 26.7°C | 341 mm | 88% | 2 m/s | 4.1 |
| 1986 | 36.4°C | 20.4°C | 28.4°C | 78 mm | 76% | 2.3 m/s | 5 |
| 1985 | 33.8°C | 22.3°C | 28.0°C | 227 mm | 86% | 1.9 m/s | 5.1 |
| 1984 ❄️ | 31.4°C | 17.7°C | 24.5°C | 210 mm | 86% | 2.1 m/s | 5.4 |
| 1983 🔥 | 38.1°C | 24.7°C | 31.4°C | 53 mm | 70% | 2.1 m/s | — |
| 1982 | 34.9°C | 19.0°C | 27.0°C | 114 mm | 81% | 2 m/s | — |
| 1981 | 33.5°C | 23.3°C | 28.4°C | 195 mm | 86% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34.1°C with lows near 22.2°C (mean 28.2°C), based on 45 years of NASA POWER data.
September averages 160 mm of rainfall in Buxar, a relatively wet time of year. The wettest on record was 341 mm in 1987.
The hottest September reached 38.1°C in 1983. The coldest dipped to 16.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.3°C. Daytime highs moved from 34.3°C to 34.3°C and overnight lows from 21.4°C to 24.1°C over the same span.
September is one of the warmer months of the year in Buxar and a relatively wet time of year, so plan for around 34.1°C daytime highs and 22.2°C at night.
Not quite — September is the 7th coolest month in Buxar, averaging 28.2°C.
For September in Buxar, pack light, breathable clothing and sun protection, with typical highs of 34.1°C and lows of 22.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 83% — quite humid.
Average wind speed in September is 2 m/s. The windiest September on record averaged 2.5 m/s (2000).
The wettest September on record was 1987 with 341 mm. On average, September sees 160 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 Buxar 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.
