September is one of the warmer months of the year in Sheohar, with average highs near 31.6°C and lows around 24.7°C (mean 28.2°C). It is a relatively wet time of year, averaging 179 mm of rainfall and 83% relative humidity across the period.
September is one of the warmer months of the year in Sheohar. Across 45 years of records, the warmest September in Sheohar was 1983 — when the month averaged 30.3°C — while the coldest was 1984 at 26.6°C. Typical September days reach 31.6°C with nights near 24.7°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Sheohar, averaging 179 mm of rainfall. The wettest September on record was 1987 with 379 mm, while the driest was 1983 at 49 mm.
Relative humidity in Sheohar during September averages 83%. The most humid September was 2021 at 89%, and the least humid was 1983 at 70%.
September receives about 4.7 kWh/m²/day of solar energy in Sheohar. The sunniest Septembers were 1994 and 1996 at 5.4 kWh/m²/day, and the cloudiest was 2016 at 3.9.
Average wind speed in Sheohar during September is 1.9 m/s. The windiest September was 1983 at 2.6 m/s, while the calmest was 2016 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.0°C | 28.2°C | 28.0°C | 28.2°C | 28.5°C | +0.5°C |
| Avg High | 31.6°C | 31.8°C | 31.4°C | 31.6°C | 31.5°C | -0.1°C |
| Avg Low | 24.5°C | 24.5°C | 24.6°C | 24.8°C | 25.5°C | +1°C |
| Avg Rain | 181 mm | 148 mm | 170 mm | 204 mm | 200 mm | +20 mm |
September temperatures in Sheohar have risen by about 0.6°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.9°C (1994) to a record high of 38.2°C (1983).
Rainfall in September is a relatively wet time of year, averaging 179 mm, with a wettest year of 379 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Sheohar
September is a good time to visit Sheohar, with days averaging 31.6°C and nights around 24.7°C (mean 28.2°C, warmer than Sheohar's yearly average) and higher rainfall. November and February are marginally more temperate, but September still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.0°C | 28.8°C | 25.6°C | 34.1°C | 24.4°C | 187 mm | 85% | 1.6 m/s | 4.6 |
| 2024 | 32.2°C | 29.0°C | 25.8°C | 37.3°C | 23.9°C | 231 mm | 85% | 2.1 m/s | 4.5 |
| 2023 | 31.5°C | 28.5°C | 25.6°C | 33.2°C | 24.0°C | 145 mm | 88% | 2.1 m/s | 4.4 |
| 2022 | 31.4°C | 28.3°C | 25.2°C | 33.0°C | 23.4°C | 176 mm | 86% | 1.8 m/s | 4 |
| 2021 | 30.7°C | 28.1°C | 25.5°C | 32.7°C | 24.3°C | 131 mm | 89% | 2 m/s | 4.8 |
| 2020 | 31.3°C | 28.3°C | 25.2°C | 33.9°C | 22.3°C | 332 mm | 87% | 1.5 m/s | 4 |
| 2019 | 31.3°C | 28.3°C | 25.3°C | 35.2°C | 21.2°C | 248 mm | 84% | 2.2 m/s | 4 |
| 2018 | 33.7°C | 29.5°C | 25.2°C | 35.6°C | 23.8°C | 98 mm | 78% | 2.2 m/s | 4.9 |
| 2017 | 32.2°C | 28.9°C | 25.6°C | 33.8°C | 24.4°C | 89 mm | 85% | 1.5 m/s | 4.7 |
| 2016 | 31.3°C | 28.4°C | 25.5°C | 35.5°C | 23.4°C | 243 mm | 85% | 1.4 m/s | 3.9 |
| 2015 | 31.8°C | 28.0°C | 24.2°C | 34.2°C | 19.1°C | 123 mm | 82% | 1.5 m/s | 4.9 |
| 2014 | 30.9°C | 27.7°C | 24.4°C | 33.5°C | 21.2°C | 245 mm | 86% | 1.7 m/s | 4.6 |
| 2013 | 31.8°C | 28.2°C | 24.7°C | 33.4°C | 22.8°C | 255 mm | 83% | 1.5 m/s | 5.1 |
| 2012 | 31.2°C | 27.5°C | 23.8°C | 33.4°C | 21.3°C | 289 mm | 84% | 1.7 m/s | 4.6 |
| 2011 | 30.9°C | 27.8°C | 24.7°C | 34.0°C | 22.7°C | 264 mm | 86% | 2.1 m/s | 4.6 |
| 2010 | 30.8°C | 27.7°C | 24.6°C | 32.8°C | 21.9°C | 181 mm | 87% | 2.1 m/s | 4.7 |
| 2009 | 31.6°C | 28.2°C | 24.7°C | 34.0°C | 23.3°C | 96 mm | 85% | 1.8 m/s | 5 |
| 2008 | 30.5°C | 27.4°C | 24.4°C | 32.5°C | 21.8°C | 231 mm | 87% | 1.6 m/s | 5 |
| 2007 | 30.2°C | 27.3°C | 24.4°C | 32.5°C | 22.0°C | 310 mm | 88% | 2 m/s | 4.3 |
| 2006 | 30.6°C | 27.4°C | 24.2°C | 33.4°C | 22.1°C | 234 mm | 85% | 2 m/s | 4.6 |
| 2005 | 31.5°C | 28.2°C | 25.0°C | 33.8°C | 23.0°C | 83 mm | 85% | 1.9 m/s | 5 |
| 2004 | 31.6°C | 28.0°C | 24.3°C | 34.1°C | 22.4°C | 98 mm | 82% | 1.5 m/s | 4.7 |
| 2003 | 32.8°C | 29.2°C | 25.5°C | 35.5°C | 22.8°C | 119 mm | 79% | 2.3 m/s | 4.7 |
| 2002 | 33.9°C | 29.3°C | 24.7°C | 37.1°C | 23.5°C | 93 mm | 72% | 2.5 m/s | 4.8 |
| 2001 | 30.8°C | 27.6°C | 24.4°C | 32.7°C | 22.2°C | 232 mm | 85% | 1.5 m/s | 4.5 |
| 2000 | 30.6°C | 27.3°C | 24.1°C | 32.9°C | 20.7°C | 203 mm | 86% | 2.4 m/s | 4.4 |
| 1999 | 32.4°C | 28.7°C | 25.1°C | 35.0°C | 23.0°C | 80 mm | 80% | 2.5 m/s | 4.9 |
| 1998 | 31.4°C | 28.1°C | 24.7°C | 33.3°C | 23.8°C | 199 mm | 86% | 2.1 m/s | 5 |
| 1997 | 31.6°C | 28.0°C | 24.5°C | 33.3°C | 21.6°C | 109 mm | 83% | 1.7 m/s | 4.7 |
| 1996 | 31.5°C | 28.2°C | 24.8°C | 33.2°C | 22.8°C | 152 mm | 84% | 1.6 m/s | 5.4 |
| 1995 | 31.3°C | 27.9°C | 24.5°C | 34.1°C | 22.2°C | 149 mm | 83% | 2.2 m/s | 5 |
| 1994 | 31.9°C | 27.7°C | 23.5°C | 35.1°C | 16.9°C | 178 mm | 79% | 2.1 m/s | 5.4 |
| 1993 | 30.8°C | 27.5°C | 24.2°C | 34.2°C | 22.4°C | 232 mm | 84% | 2.4 m/s | 4.7 |
| 1992 | 34.2°C | 29.4°C | 24.5°C | 36.0°C | 21.6°C | 74 mm | 72% | 2.1 m/s | 5 |
| 1991 | 31.9°C | 28.2°C | 24.4°C | 33.5°C | 22.4°C | 179 mm | 81% | 1.7 m/s | 4.4 |
| 1990 | 31.2°C | 27.9°C | 24.7°C | 34.1°C | 22.3°C | 123 mm | 85% | 2.1 m/s | 4.2 |
| 1989 | 33.3°C | 29.4°C | 25.5°C | 36.6°C | 23.1°C | 120 mm | 76% | 2.2 m/s | 4.3 |
| 1988 | 31.5°C | 28.1°C | 24.8°C | 33.5°C | 22.1°C | 130 mm | 86% | 1.8 m/s | 4.7 |
| 1987 🌧️ | 30.3°C | 27.4°C | 24.6°C | 32.8°C | 21.8°C | 379 mm | 88% | 1.8 m/s | 4.5 |
| 1986 | 31.8°C | 27.7°C | 23.6°C | 35.0°C | 20.7°C | 88 mm | 78% | 2.4 m/s | 5.1 |
| 1985 | 30.0°C | 27.2°C | 24.4°C | 33.2°C | 22.2°C | 283 mm | 89% | 1.9 m/s | 4.5 |
| 1984 ❄️ | 30.1°C | 26.6°C | 23.2°C | 31.7°C | 18.9°C | 256 mm | 86% | 2 m/s | 4.7 |
| 1983 🔥 | 34.6°C | 30.3°C | 25.9°C | 38.2°C | 24.3°C | 49 mm | 70% | 2.6 m/s | — |
| 1982 | 32.1°C | 28.0°C | 23.9°C | 35.7°C | 19.6°C | 143 mm | 82% | 1.8 m/s | — |
| 1981 | 30.6°C | 27.6°C | 24.5°C | 33.5°C | 22.7°C | 179 mm | 87% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.6°C with lows near 24.7°C (mean 28.2°C), based on 45 years of NASA POWER data.
September averages 179 mm of rainfall in Sheohar, a relatively wet time of year. The wettest on record was 379 mm in 1987.
The hottest September reached 38.2°C in 1983. The coldest dipped to 16.9°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.6°C. Daytime highs moved from 31.5°C to 31.6°C and overnight lows from 24.4°C to 25.5°C over the same span.
September is one of the warmer months of the year in Sheohar and a relatively wet time of year, so plan for around 31.6°C daytime highs and 24.7°C at night.
Not quite — September is the 7th coolest month in Sheohar, averaging 28.2°C.
For September in Sheohar, pack light, breathable clothing and sun protection, with typical highs of 31.6°C and lows of 24.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 83% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.6 m/s (1983).
The wettest September on record was 1987 with 379 mm. On average, September sees 179 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 Sheohar 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.
