September is close to Mahasamund's year-round average, with average highs near 29.6°C and lows around 23.1°C (mean 26.4°C). It is a relatively wet time of year, averaging 218 mm of rainfall and 87% relative humidity across the period.
September is close to Mahasamund's year-round average. Across 45 years of records, the warmest Septembers in Mahasamund were 2009 and 2020 — when the month averaged 27.1°C — while the coldest was 1992 at 25.5°C. Typical September days reach 29.6°C with nights near 23.1°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Mahasamund, averaging 218 mm of rainfall. The wettest September on record was 2019 with 473 mm, while the driest was 1997 at 59 mm.
Relative humidity in Mahasamund during September averages 87%. The most humid September was 2003 at 91%, and the least humid was 2001 at 83%.
September receives about 4.7 kWh/m²/day of solar energy in Mahasamund. The sunniest September was 1984 at 5.6 kWh/m²/day, and the cloudiest was 2003 at 3.7.
Average wind speed in Mahasamund during September is 1.9 m/s. The windiest September was 2003 at 2.7 m/s, while the calmest was 1996 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.3°C | 26.2°C | 26.4°C | 26.3°C | 26.7°C | +0.4°C |
| Avg High | 29.7°C | 29.5°C | 29.9°C | 29.5°C | 29.7°C | 0°C |
| Avg Low | 22.9°C | 22.9°C | 23.0°C | 23.1°C | 23.7°C | +0.8°C |
| Avg Rain | 172 mm | 183 mm | 202 mm | 272 mm | 286 mm | +114 mm |
September temperatures in Mahasamund have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.9°C (1982) to a record high of 32.8°C (1987).
Rainfall in September is a relatively wet time of year, averaging 218 mm, with a wettest year of 473 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 Mahasamund
September is a good time to visit Mahasamund, with days averaging 29.6°C and nights around 23.1°C (mean 26.4°C, close to Mahasamund'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 | 29.6°C | 26.6°C | 23.7°C | 31.5°C | 23.0°C | 356 mm | 88% | 1.5 m/s | 4 |
| 2024 | 30.0°C | 27.0°C | 24.0°C | 31.6°C | 22.6°C | 234 mm | 89% | 2.1 m/s | 4.3 |
| 2023 | 29.6°C | 26.7°C | 23.8°C | 31.0°C | 22.7°C | 438 mm | 88% | 1.7 m/s | 3.9 |
| 2022 | 29.5°C | 26.4°C | 23.3°C | 31.0°C | 21.7°C | 189 mm | 88% | 2 m/s | 4.1 |
| 2021 | 29.4°C | 26.5°C | 23.6°C | 31.0°C | 22.2°C | 326 mm | 88% | 1.9 m/s | 4.2 |
| 2020 | 30.2°C | 27.1°C | 23.9°C | 31.8°C | 22.2°C | 175 mm | 86% | 1.3 m/s | 4.7 |
| 2019 🌧️ | 29.2°C | 26.5°C | 23.7°C | 30.9°C | 22.7°C | 473 mm | 90% | 2.1 m/s | 4 |
| 2018 | 29.3°C | 25.7°C | 22.2°C | 31.2°C | 20.4°C | 112 mm | 85% | 2.2 m/s | 4.7 |
| 2017 | 30.0°C | 26.8°C | 23.6°C | 31.9°C | 22.2°C | 222 mm | 86% | 1.4 m/s | 4.6 |
| 2016 | 29.3°C | 26.4°C | 23.5°C | 30.7°C | 22.0°C | 339 mm | 89% | 2 m/s | 4.1 |
| 2015 | 30.1°C | 26.6°C | 23.1°C | 31.5°C | 19.0°C | 258 mm | 85% | 1.7 m/s | 5.2 |
| 2014 | 29.6°C | 26.0°C | 22.5°C | 31.2°C | 19.2°C | 272 mm | 86% | 2 m/s | 4.4 |
| 2013 | 29.4°C | 26.3°C | 23.3°C | 30.5°C | 21.5°C | 166 mm | 88% | 1.6 m/s | 4.7 |
| 2012 | 29.2°C | 26.1°C | 23.0°C | 30.8°C | 19.9°C | 228 mm | 88% | 1.7 m/s | 4.6 |
| 2011 | 28.7°C | 25.8°C | 22.9°C | 30.5°C | 19.7°C | 365 mm | 89% | 2.1 m/s | 4.2 |
| 2010 | 29.7°C | 26.3°C | 22.8°C | 31.5°C | 18.2°C | 286 mm | 86% | 1.7 m/s | 4.8 |
| 2009 🔥 | 30.8°C | 27.1°C | 23.4°C | 32.3°C | 21.1°C | 83 mm | 85% | 1.9 m/s | 5.1 |
| 2008 | 29.7°C | 26.2°C | 22.8°C | 31.1°C | 20.4°C | 346 mm | 87% | 2 m/s | 5.1 |
| 2007 | 29.1°C | 26.3°C | 23.5°C | 31.5°C | 22.0°C | 201 mm | 90% | 2 m/s | 4.4 |
| 2006 | 29.9°C | 26.3°C | 22.7°C | 31.6°C | 18.3°C | 270 mm | 86% | 1.7 m/s | 5.2 |
| 2005 | 29.5°C | 26.5°C | 23.4°C | 31.9°C | 21.3°C | 316 mm | 88% | 2.1 m/s | 4.7 |
| 2004 | 30.3°C | 26.8°C | 23.2°C | 31.8°C | 21.6°C | 213 mm | 84% | 1.3 m/s | 5.3 |
| 2003 | 28.5°C | 26.0°C | 23.5°C | 30.4°C | 22.4°C | 315 mm | 91% | 2.7 m/s | 3.7 |
| 2002 | 30.1°C | 25.9°C | 21.8°C | 31.6°C | 19.1°C | 71 mm | 84% | 2.1 m/s | 5 |
| 2001 | 30.4°C | 26.7°C | 23.0°C | 32.0°C | 20.9°C | 129 mm | 83% | 1.6 m/s | 5.5 |
| 2000 | 30.2°C | 26.4°C | 22.7°C | 32.0°C | 20.5°C | 73 mm | 84% | 2.1 m/s | 4.6 |
| 1999 | 28.9°C | 26.0°C | 23.2°C | 30.1°C | 22.2°C | 215 mm | 90% | 2.2 m/s | 4.2 |
| 1998 | 30.1°C | 26.9°C | 23.8°C | 31.9°C | 21.9°C | 170 mm | 86% | 1.6 m/s | 4.9 |
| 1997 | 29.2°C | 26.0°C | 22.8°C | 31.6°C | 19.8°C | 59 mm | 88% | 1.9 m/s | 4.8 |
| 1996 | 30.4°C | 26.7°C | 23.0°C | 31.9°C | 20.6°C | 101 mm | 83% | 1.2 m/s | 5.3 |
| 1995 | 29.9°C | 26.5°C | 23.2°C | 31.8°C | 21.0°C | 197 mm | 87% | 1.9 m/s | 5.2 |
| 1994 | 29.0°C | 25.7°C | 22.3°C | 30.4°C | 19.2°C | 284 mm | 87% | 2.1 m/s | 4.9 |
| 1993 | 29.1°C | 26.0°C | 23.0°C | 31.1°C | 21.7°C | 198 mm | 89% | 2.2 m/s | 4.1 |
| 1992 ❄️ | 29.1°C | 25.5°C | 21.8°C | 30.6°C | 19.1°C | 182 mm | 85% | 2.2 m/s | 5.1 |
| 1991 | 29.6°C | 26.2°C | 22.8°C | 31.2°C | 20.0°C | 103 mm | 86% | 1.8 m/s | 5.2 |
| 1990 | 29.2°C | 26.2°C | 23.3°C | 30.4°C | 22.1°C | 314 mm | 89% | 2.3 m/s | 4.4 |
| 1989 | 29.5°C | 26.4°C | 23.4°C | 31.9°C | 22.1°C | 196 mm | 88% | 1.7 m/s | 4.7 |
| 1988 | 30.3°C | 27.0°C | 23.7°C | 31.9°C | 22.6°C | 122 mm | 86% | 1.7 m/s | 4.7 |
| 1987 | 30.6°C | 27.0°C | 23.4°C | 32.8°C | 22.0°C | 141 mm | 85% | 2.6 m/s | 4.4 |
| 1986 | 29.7°C | 26.1°C | 22.5°C | 32.5°C | 20.2°C | 142 mm | 84% | 1.8 m/s | 5.4 |
| 1985 | 29.3°C | 26.0°C | 22.7°C | 31.0°C | 21.2°C | 271 mm | 87% | 2 m/s | 4.8 |
| 1984 | 29.4°C | 25.6°C | 21.9°C | 30.8°C | 18.5°C | 88 mm | 84% | 2 m/s | 5.6 |
| 1983 | 29.6°C | 26.6°C | 23.6°C | 31.5°C | 22.4°C | 202 mm | 88% | 1.9 m/s | — |
| 1982 | 30.2°C | 26.1°C | 21.9°C | 31.4°C | 16.9°C | 74 mm | 84% | 1.8 m/s | — |
| 1981 | 29.1°C | 26.1°C | 23.0°C | 30.8°C | 21.1°C | 314 mm | 88% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 29.6°C with lows near 23.1°C (mean 26.4°C), based on 45 years of NASA POWER data.
September averages 218 mm of rainfall in Mahasamund, a relatively wet time of year. The wettest on record was 473 mm in 2019.
The hottest September reached 32.8°C in 1987. The coldest dipped to 16.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.5°C. Daytime highs moved from 29.5°C to 29.6°C and overnight lows from 22.6°C to 23.7°C over the same span.
September is close to Mahasamund's year-round average and a relatively wet time of year, so plan for around 29.6°C daytime highs and 23.1°C at night.
Not quite — September is the 6th coolest month in Mahasamund, averaging 26.4°C.
For September in Mahasamund, pack light layers you can adjust through the day, with typical highs of 29.6°C and lows of 23.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 87% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.7 m/s (2003).
The wettest September on record was 2019 with 473 mm. On average, September sees 218 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 Mahasamund 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.
