September is one of the warmer months of the year in Kaimur, with average highs near 33.4°C and lows around 21.9°C (mean 27.7°C). It is a relatively wet time of year, averaging 163 mm of rainfall and 84% relative humidity across the period.
September is one of the warmer months of the year in Kaimur. Across 45 years of records, the warmest September in Kaimur was 2023 — when the month averaged 30.6°C — while the coldest was 1994 at 24.3°C. Typical September days reach 33.4°C with nights near 21.9°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 | 27.7°C | 27.1°C | 27.8°C | 27.4°C | 28.5°C | +0.8°C |
| Avg High | 34.1°C | 32.6°C | 33.5°C | 33.2°C | 33.6°C | -0.5°C |
| Avg Low | 21.4°C | 21.6°C | 22.1°C | 21.6°C | 23.3°C | +1.9°C |
| Avg Rain | 157 mm | 170 mm | 147 mm | 172 mm | 176 mm | +19 mm |
September temperatures in Kaimur have risen by about 1.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.6°C (1994) to a record high of 37.5°C (2004).
Rainfall in September is a relatively wet time of year, averaging 163 mm, with a wettest year of 326 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 Kaimur
September is a good time to visit Kaimur, with days averaging 33.4°C and nights around 21.9°C (mean 27.7°C, warmer than Kaimur'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 | 32.4°C | 23.8°C | 28.1°C | 133 mm | 87% | 1.6 m/s | 4.5 |
| 2024 | 32.7°C | 23.9°C | 28.3°C | 238 mm | 88% | 2 m/s | 4.5 |
| 2023 🔥 | 37.0°C | 24.1°C | 30.6°C | 130 mm | 78% | 1.8 m/s | 4.5 |
| 2022 | 33.7°C | 22.6°C | 28.2°C | 135 mm | 84% | 1.6 m/s | 4.1 |
| 2021 | 32.7°C | 23.7°C | 28.2°C | 161 mm | 87% | 2.1 m/s | 4.7 |
| 2020 | 32.9°C | 21.9°C | 27.4°C | 257 mm | 85% | 1.5 m/s | 4.2 |
| 2019 | 33.4°C | 22.7°C | 28.1°C | 311 mm | 86% | 2 m/s | 3.8 |
| 2018 | 32.9°C | 21.3°C | 27.1°C | 124 mm | 85% | 2 m/s | 4.9 |
| 2017 | 33.9°C | 22.5°C | 28.2°C | 54 mm | 82% | 1.5 m/s | 4.8 |
| 2016 | 32.8°C | 23.7°C | 28.2°C | 298 mm | 88% | 1.5 m/s | 3.9 |
| 2015 | 33.8°C | 20.3°C | 27.1°C | 48 mm | 79% | 2 m/s | 5.3 |
| 2014 | 33.2°C | 20.6°C | 26.9°C | 147 mm | 83% | 1.9 m/s | 4.7 |
| 2013 | 33.1°C | 22.8°C | 28.0°C | 174 mm | 81% | 1.6 m/s | 5 |
| 2012 | 32.4°C | 19.6°C | 26.0°C | 171 mm | 85% | 1.8 m/s | 4.6 |
| 2011 | 32.5°C | 22.3°C | 27.4°C | 263 mm | 88% | 2.1 m/s | 4.5 |
| 2010 | 34.3°C | 20.2°C | 27.2°C | 125 mm | 82% | 1.9 m/s | 4.8 |
| 2009 | 34.1°C | 22.6°C | 28.3°C | 180 mm | 82% | 1.9 m/s | 5 |
| 2008 | 32.9°C | 21.2°C | 27.1°C | 82 mm | 86% | 1.8 m/s | 5.3 |
| 2007 | 32.8°C | 23.3°C | 28.1°C | 223 mm | 87% | 1.9 m/s | 4.5 |
| 2006 | 33.5°C | 22.0°C | 27.7°C | 140 mm | 84% | 2.1 m/s | 4.9 |
| 2005 | 34.1°C | 22.0°C | 28.1°C | 103 mm | 82% | 2.2 m/s | 4.8 |
| 2004 | 37.5°C | 22.2°C | 29.8°C | 76 mm | 74% | 1.9 m/s | 5.1 |
| 2003 | 32.4°C | 23.7°C | 28.0°C | 150 mm | 88% | 1.9 m/s | 4.3 |
| 2002 | 32.8°C | 21.4°C | 27.1°C | 132 mm | 84% | 2 m/s | 4.8 |
| 2001 | 32.5°C | 21.5°C | 27.0°C | 131 mm | 84% | 1.7 m/s | 4.9 |
| 2000 | 32.4°C | 21.1°C | 26.7°C | 253 mm | 87% | 2.3 m/s | 4.1 |
| 1999 | 31.9°C | 22.6°C | 27.3°C | 90 mm | 88% | 2.1 m/s | 4.9 |
| 1998 | 33.0°C | 23.4°C | 28.2°C | 214 mm | 87% | 1.9 m/s | 4.9 |
| 1997 | 32.1°C | 21.4°C | 26.7°C | 149 mm | 85% | 1.6 m/s | 4.7 |
| 1996 | 32.6°C | 22.6°C | 27.6°C | 132 mm | 84% | 1.3 m/s | 5 |
| 1995 | 32.5°C | 21.0°C | 26.8°C | 290 mm | 87% | 2.2 m/s | 4.7 |
| 1994 ❄️ | 32.0°C | 16.6°C | 24.3°C | 137 mm | 84% | 2.4 m/s | 5 |
| 1993 🌧️ | 32.2°C | 22.4°C | 27.3°C | 326 mm | 88% | 2 m/s | 4.4 |
| 1992 | 34.1°C | 21.3°C | 27.7°C | 67 mm | 81% | 2 m/s | 5.3 |
| 1991 | 31.7°C | 21.0°C | 26.4°C | 180 mm | 85% | 1.4 m/s | 4.6 |
| 1990 | 33.7°C | 23.2°C | 28.4°C | 109 mm | 88% | 2 m/s | 4.4 |
| 1989 | 36.7°C | 23.7°C | 30.2°C | 127 mm | 78% | 1.8 m/s | 4.8 |
| 1988 | 33.6°C | 23.4°C | 28.5°C | 97 mm | 84% | 1.8 m/s | 5.4 |
| 1987 | 32.8°C | 20.1°C | 26.4°C | 320 mm | 88% | 2 m/s | 4.1 |
| 1986 | 36.5°C | 20.5°C | 28.5°C | 83 mm | 75% | 2.2 m/s | 5 |
| 1985 | 32.9°C | 21.6°C | 27.3°C | 219 mm | 86% | 1.8 m/s | 5.1 |
| 1984 | 31.1°C | 17.7°C | 24.4°C | 196 mm | 85% | 2.1 m/s | 5.4 |
| 1983 | 36.6°C | 23.9°C | 30.3°C | 71 mm | 75% | 1.9 m/s | — |
| 1982 | 33.6°C | 18.6°C | 26.1°C | 101 mm | 81% | 1.9 m/s | — |
| 1981 | 32.9°C | 22.7°C | 27.8°C | 199 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 33.4°C with lows near 21.9°C (mean 27.7°C), based on 45 years of NASA POWER data.
September averages 163 mm of rainfall in Kaimur, a relatively wet time of year. The wettest on record was 326 mm in 1993.
The hottest September reached 37.5°C in 2004. The coldest dipped to 16.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.5°C. Daytime highs moved from 33.4°C to 33.7°C and overnight lows from 20.9°C to 23.6°C over the same span.
September is one of the warmer months of the year in Kaimur and a relatively wet time of year, so plan for around 33.4°C daytime highs and 21.9°C at night.
Not quite — September is the 7th coolest month in Kaimur, averaging 27.7°C.
For September in Kaimur, pack light, breathable clothing and sun protection, with typical highs of 33.4°C and lows of 21.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.4 m/s (1994).
The wettest September on record was 1993 with 326 mm. On average, September sees 163 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 Kaimur 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.
