September is one of the warmer months of the year in Seraikela-Kharsawan, with average highs near 31.7°C and lows around 21.7°C (mean 26.7°C). It is a relatively wet time of year, averaging 245 mm of rainfall and 88% relative humidity across the period.
September is one of the warmer months of the year in Seraikela-Kharsawan. Across 45 years of records, the warmest September in Seraikela-Kharsawan was 2023 — when the month averaged 28.3°C — while the coldest was 1984 at 24.7°C. Typical September days reach 31.7°C with nights near 21.7°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 | 26.6°C | 26.5°C | 26.7°C | 26.7°C | 27.2°C | +0.6°C |
| Avg High | 32.0°C | 31.3°C | 31.5°C | 31.8°C | 31.8°C | -0.2°C |
| Avg Low | 21.2°C | 21.7°C | 21.8°C | 21.6°C | 22.6°C | +1.4°C |
| Avg Rain | 194 mm | 231 mm | 258 mm | 266 mm | 291 mm | +97 mm |
September temperatures in Seraikela-Kharsawan have risen by about 1.4°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.3°C (1984) to a record high of 33.4°C (2010).
Rainfall in September is a relatively wet time of year, averaging 245 mm, with a wettest year of 464 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Seraikela-Kharsawan
September is a good time to visit Seraikela-Kharsawan, with days averaging 31.7°C and nights around 21.7°C (mean 26.7°C, close to Seraikela-Kharsawan's yearly average) and higher rainfall. February and November are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.1°C | 23.1°C | 27.6°C | 256 mm | 90% | 1.6 m/s | 4.1 |
| 2024 | 31.6°C | 22.3°C | 27.0°C | 392 mm | 90% | 2.2 m/s | 4.1 |
| 2023 🔥 | 32.7°C | 23.8°C | 28.3°C | 269 mm | 89% | 1.7 m/s | 3.8 |
| 2022 | 31.3°C | 23.0°C | 27.2°C | 208 mm | 89% | 1.7 m/s | 4.2 |
| 2021 🌧️ | 31.6°C | 22.8°C | 27.2°C | 464 mm | 91% | 1.9 m/s | 3.9 |
| 2020 | 31.7°C | 20.7°C | 26.2°C | 157 mm | 89% | 1.5 m/s | 4.4 |
| 2019 | 32.1°C | 22.0°C | 27.0°C | 355 mm | 90% | 1.8 m/s | 3.8 |
| 2018 | 31.5°C | 22.2°C | 26.9°C | 208 mm | 87% | 1.8 m/s | 4.2 |
| 2017 | 32.5°C | 22.8°C | 27.6°C | 229 mm | 88% | 1.3 m/s | 4.4 |
| 2016 | 31.2°C | 22.7°C | 27.0°C | 393 mm | 90% | 1.6 m/s | 4.2 |
| 2015 | 32.2°C | 21.2°C | 26.7°C | 143 mm | 85% | 1.6 m/s | 4.9 |
| 2014 | 31.8°C | 20.5°C | 26.1°C | 164 mm | 87% | 1.6 m/s | 4.7 |
| 2013 | 31.4°C | 22.8°C | 27.1°C | 283 mm | 89% | 1.5 m/s | 4.2 |
| 2012 | 31.4°C | 19.5°C | 25.4°C | 237 mm | 88% | 1.5 m/s | 4.6 |
| 2011 | 30.9°C | 21.5°C | 26.2°C | 399 mm | 91% | 2.1 m/s | 3.6 |
| 2010 | 33.4°C | 20.5°C | 27.0°C | 246 mm | 84% | 1.7 m/s | 4.6 |
| 2009 | 31.6°C | 23.0°C | 27.3°C | 289 mm | 89% | 1.6 m/s | 4.7 |
| 2008 | 31.3°C | 20.8°C | 26.0°C | 212 mm | 89% | 1.7 m/s | 4.6 |
| 2007 | 31.9°C | 22.9°C | 27.4°C | 427 mm | 91% | 2.1 m/s | 4 |
| 2006 | 31.5°C | 20.8°C | 26.1°C | 340 mm | 90% | 1.8 m/s | 4.3 |
| 2005 | 31.6°C | 22.4°C | 27.0°C | 239 mm | 89% | 2.1 m/s | 4.6 |
| 2004 | 32.1°C | 21.2°C | 26.6°C | 167 mm | 90% | 1.9 m/s | 4.4 |
| 2003 | 31.1°C | 22.9°C | 27.0°C | 236 mm | 90% | 1.6 m/s | 4 |
| 2002 | 31.8°C | 21.7°C | 26.7°C | 296 mm | 89% | 1.7 m/s | 4.4 |
| 2001 | 31.2°C | 21.6°C | 26.4°C | 149 mm | 88% | 1.6 m/s | 5 |
| 2000 | 31.2°C | 20.8°C | 26.0°C | 227 mm | 87% | 1.9 m/s | 4.2 |
| 1999 | 30.9°C | 22.5°C | 26.7°C | 218 mm | 91% | 1.6 m/s | 4.1 |
| 1998 | 31.4°C | 22.8°C | 27.1°C | 307 mm | 90% | 1.5 m/s | 4.6 |
| 1997 | 31.3°C | 21.3°C | 26.3°C | 156 mm | 88% | 1.6 m/s | 4.5 |
| 1996 | 31.7°C | 22.1°C | 26.9°C | 96 mm | 87% | 1.5 m/s | 4.9 |
| 1995 | 31.4°C | 21.6°C | 26.5°C | 319 mm | 89% | 1.8 m/s | 4.1 |
| 1994 | 31.6°C | 18.6°C | 25.1°C | 149 mm | 86% | 1.9 m/s | 4.6 |
| 1993 | 31.8°C | 22.1°C | 27.0°C | 308 mm | 90% | 2 m/s | 3.6 |
| 1992 | 31.4°C | 21.4°C | 26.4°C | 173 mm | 86% | 1.9 m/s | 4.6 |
| 1991 | 30.5°C | 21.4°C | 25.9°C | 291 mm | 89% | 1.6 m/s | 4.4 |
| 1990 | 31.4°C | 23.2°C | 27.3°C | 290 mm | 89% | 1.6 m/s | 4.1 |
| 1989 | 31.9°C | 22.6°C | 27.2°C | 132 mm | 87% | 1.6 m/s | 4.5 |
| 1988 | 32.2°C | 22.7°C | 27.4°C | 151 mm | 88% | 1.7 m/s | 4.6 |
| 1987 | 32.1°C | 22.1°C | 27.1°C | 247 mm | 88% | 1.6 m/s | 4.2 |
| 1986 | 32.9°C | 20.9°C | 26.9°C | 175 mm | 85% | 2 m/s | 4.7 |
| 1985 | 31.2°C | 21.8°C | 26.5°C | 273 mm | 89% | 1.7 m/s | 4.5 |
| 1984 ❄️ | 31.0°C | 18.3°C | 24.7°C | 145 mm | 86% | 1.8 m/s | 4.6 |
| 1983 | 32.2°C | 21.8°C | 27.0°C | 257 mm | 87% | 1.7 m/s | — |
| 1982 | 32.5°C | 18.7°C | 25.6°C | 147 mm | 84% | 1.7 m/s | — |
| 1981 | 31.9°C | 21.8°C | 26.8°C | 217 mm | 89% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.7°C with lows near 21.7°C (mean 26.7°C), based on 45 years of NASA POWER data.
September averages 245 mm of rainfall in Seraikela-Kharsawan, a relatively wet time of year. The wettest on record was 464 mm in 2021.
The hottest September reached 33.4°C in 2010. The coldest dipped to 18.3°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.4°C. Daytime highs moved from 31.8°C to 31.9°C and overnight lows from 20.5°C to 23°C over the same span.
September is one of the warmer months of the year in Seraikela-Kharsawan and a relatively wet time of year, so plan for around 31.7°C daytime highs and 21.7°C at night.
Not quite — September is the 6th coolest month in Seraikela-Kharsawan, averaging 26.7°C.
For September in Seraikela-Kharsawan, pack light, breathable clothing and sun protection, with typical highs of 31.7°C and lows of 21.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 88% — quite humid.
Average wind speed in September is 1.7 m/s. The windiest September on record averaged 2.2 m/s (2024).
The wettest September on record was 2021 with 464 mm. On average, September sees 245 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 Seraikela-Kharsawan 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.
