September is one of the warmer months of the year in Simdega, with average highs near 29.4°C and lows around 23°C (mean 26.2°C). It is a relatively wet time of year, averaging 217 mm of rainfall and 87% relative humidity across the period.
September is one of the warmer months of the year in Simdega. Across 45 years of records, the warmest Septembers in Simdega were 2023 and 2024 — when the month averaged 26.8°C — while the coldest was 1984 at 25.2°C. Typical September days reach 29.4°C with nights near 23°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Simdega, averaging 217 mm of rainfall. The wettest September on record was 2011 with 434 mm, while the driest was 1986 at 100 mm.
Relative humidity in Simdega during September averages 87%. The most humid September was 2003 at 90%, and the least humid was 1986 at 82%.
September receives about 4.4 kWh/m²/day of solar energy in Simdega. The sunniest Septembers were 2001 and 2015 at 5.1 kWh/m²/day, and the cloudiest was 1993 at 3.5.
Average wind speed in Simdega during September is 1.8 m/s. The windiest September was 2024 at 2.3 m/s, while the calmest was 2017 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.1°C | 25.9°C | 26.1°C | 26.2°C | 26.5°C | +0.4°C |
| Avg High | 29.5°C | 29.1°C | 29.3°C | 29.5°C | 29.5°C | 0°C |
| Avg Low | 22.8°C | 22.8°C | 22.9°C | 23.0°C | 23.5°C | +0.7°C |
| Avg Rain | 172 mm | 228 mm | 220 mm | 236 mm | 234 mm | +62 mm |
September temperatures in Simdega have risen by about 0.6°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.5°C (1984) to a record high of 32.8°C (1986).
Rainfall in September is a relatively wet time of year, averaging 217 mm, with a wettest year of 434 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 Simdega
September is a good time to visit Simdega, with days averaging 29.4°C and nights around 23°C (mean 26.2°C, close to Simdega's yearly average) and higher rainfall. February and November 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 | 29.4°C | 26.4°C | 23.4°C | 31.1°C | 22.3°C | 234 mm | 88% | 1.5 m/s | 4.1 |
| 2024 | 29.7°C | 26.8°C | 24.0°C | 32.1°C | 23.1°C | 237 mm | 89% | 2.3 m/s | 4 |
| 2023 🔥 | 29.8°C | 26.8°C | 23.7°C | 32.2°C | 22.2°C | 281 mm | 88% | 1.7 m/s | 3.8 |
| 2022 | 29.3°C | 26.3°C | 23.2°C | 31.3°C | 21.6°C | 205 mm | 88% | 1.8 m/s | 4.2 |
| 2021 | 29.3°C | 26.3°C | 23.3°C | 30.9°C | 21.7°C | 264 mm | 89% | 2 m/s | 4.1 |
| 2020 | 29.7°C | 26.6°C | 23.5°C | 31.4°C | 20.3°C | 182 mm | 87% | 1.3 m/s | 4.5 |
| 2019 | 29.0°C | 26.2°C | 23.4°C | 31.2°C | 21.0°C | 344 mm | 89% | 2 m/s | 3.7 |
| 2018 | 29.5°C | 26.1°C | 22.7°C | 31.4°C | 20.6°C | 159 mm | 86% | 2 m/s | 4.4 |
| 2017 | 29.9°C | 26.7°C | 23.6°C | 32.0°C | 21.8°C | 178 mm | 87% | 1.2 m/s | 4.5 |
| 2016 | 29.3°C | 26.3°C | 23.3°C | 31.0°C | 22.1°C | 244 mm | 89% | 1.7 m/s | 4.3 |
| 2015 | 30.0°C | 26.4°C | 22.8°C | 31.7°C | 20.1°C | 143 mm | 84% | 1.6 m/s | 5.1 |
| 2014 | 29.8°C | 26.1°C | 22.4°C | 31.3°C | 19.4°C | 183 mm | 85% | 1.6 m/s | 4.6 |
| 2013 | 29.4°C | 26.2°C | 23.1°C | 30.7°C | 21.2°C | 216 mm | 87% | 1.4 m/s | 4.5 |
| 2012 | 29.1°C | 25.9°C | 22.8°C | 30.9°C | 19.4°C | 237 mm | 87% | 1.5 m/s | 4.5 |
| 2011 🌧️ | 28.6°C | 25.8°C | 22.9°C | 30.4°C | 20.0°C | 434 mm | 90% | 2 m/s | 3.7 |
| 2010 | 30.3°C | 26.7°C | 23.0°C | 32.6°C | 19.1°C | 225 mm | 84% | 1.7 m/s | 4.8 |
| 2009 | 30.0°C | 26.6°C | 23.2°C | 31.7°C | 21.6°C | 195 mm | 86% | 1.8 m/s | 4.9 |
| 2008 | 29.0°C | 25.7°C | 22.5°C | 30.5°C | 19.6°C | 269 mm | 88% | 1.7 m/s | 4.8 |
| 2007 | 28.9°C | 26.1°C | 23.4°C | 30.9°C | 22.3°C | 367 mm | 90% | 2.2 m/s | 4.1 |
| 2006 | 29.0°C | 25.8°C | 22.6°C | 31.2°C | 20.7°C | 217 mm | 88% | 2 m/s | 4.6 |
| 2005 | 29.3°C | 26.2°C | 23.1°C | 32.2°C | 21.0°C | 177 mm | 88% | 2.1 m/s | 4.6 |
| 2004 | 29.4°C | 26.2°C | 22.9°C | 32.2°C | 21.0°C | 146 mm | 87% | 1.5 m/s | 4.6 |
| 2003 | 29.0°C | 26.3°C | 23.5°C | 30.6°C | 22.4°C | 288 mm | 90% | 2 m/s | 3.8 |
| 2002 | 29.2°C | 25.8°C | 22.5°C | 31.3°C | 20.6°C | 235 mm | 87% | 1.8 m/s | 4.5 |
| 2001 | 29.8°C | 26.3°C | 22.9°C | 31.4°C | 20.1°C | 109 mm | 86% | 1.6 m/s | 5.1 |
| 2000 | 29.6°C | 26.1°C | 22.7°C | 32.0°C | 20.0°C | 197 mm | 85% | 2 m/s | 4.1 |
| 1999 | 28.7°C | 25.9°C | 23.2°C | 30.5°C | 21.7°C | 224 mm | 90% | 1.8 m/s | 4.1 |
| 1998 | 29.1°C | 26.3°C | 23.6°C | 31.2°C | 22.4°C | 287 mm | 89% | 1.5 m/s | 4.6 |
| 1997 | 28.9°C | 25.8°C | 22.7°C | 31.0°C | 19.7°C | 155 mm | 88% | 1.6 m/s | 4.6 |
| 1996 | 29.5°C | 26.1°C | 22.8°C | 30.9°C | 20.6°C | 152 mm | 86% | 1.3 m/s | 4.9 |
| 1995 | 29.2°C | 26.1°C | 22.9°C | 31.1°C | 20.6°C | 302 mm | 88% | 1.9 m/s | 4.5 |
| 1994 | 29.0°C | 25.6°C | 22.2°C | 30.9°C | 18.1°C | 208 mm | 85% | 1.9 m/s | 4.6 |
| 1993 | 28.5°C | 25.6°C | 22.7°C | 30.6°C | 21.3°C | 310 mm | 89% | 2 m/s | 3.5 |
| 1992 | 29.2°C | 25.6°C | 21.9°C | 30.7°C | 20.0°C | 161 mm | 85% | 2 m/s | 4.8 |
| 1991 | 29.3°C | 26.0°C | 22.8°C | 30.5°C | 19.6°C | 253 mm | 87% | 1.6 m/s | 4.6 |
| 1990 | 29.3°C | 26.3°C | 23.3°C | 31.9°C | 22.2°C | 224 mm | 88% | 1.7 m/s | 4.2 |
| 1989 | 29.6°C | 26.4°C | 23.3°C | 31.6°C | 22.2°C | 161 mm | 87% | 1.6 m/s | 4.5 |
| 1988 | 29.6°C | 26.5°C | 23.4°C | 31.9°C | 22.1°C | 152 mm | 88% | 1.7 m/s | 4.9 |
| 1987 | 29.9°C | 26.6°C | 23.3°C | 32.1°C | 20.7°C | 227 mm | 87% | 1.8 m/s | 4.1 |
| 1986 | 30.0°C | 26.1°C | 22.2°C | 32.8°C | 20.3°C | 100 mm | 82% | 2 m/s | 5 |
| 1985 | 29.3°C | 26.0°C | 22.8°C | 30.9°C | 21.0°C | 177 mm | 87% | 1.6 m/s | 4.7 |
| 1984 ❄️ | 28.7°C | 25.2°C | 21.6°C | 30.6°C | 17.5°C | 109 mm | 86% | 2 m/s | 4.9 |
| 1983 | 29.4°C | 26.4°C | 23.3°C | 31.5°C | 21.9°C | 255 mm | 88% | 1.6 m/s | — |
| 1982 | 30.1°C | 26.0°C | 21.8°C | 32.0°C | 17.6°C | 144 mm | 84% | 1.5 m/s | — |
| 1981 | 28.8°C | 25.9°C | 23.1°C | 31.5°C | 21.3°C | 217 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 29.4°C with lows near 23°C (mean 26.2°C), based on 45 years of NASA POWER data.
September averages 217 mm of rainfall in Simdega, a relatively wet time of year. The wettest on record was 434 mm in 2011.
The hottest September reached 32.8°C in 1986. The coldest dipped to 17.5°C in 1984.
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 29.3°C to 29.5°C and overnight lows from 22.5°C to 23.5°C over the same span.
September is one of the warmer months of the year in Simdega and a relatively wet time of year, so plan for around 29.4°C daytime highs and 23°C at night.
Not quite — September is the 6th coolest month in Simdega, averaging 26.2°C.
For September in Simdega, pack light layers you can adjust through the day, with typical highs of 29.4°C and lows of 23°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 87% — quite humid.
Average wind speed in September is 1.8 m/s. The windiest September on record averaged 2.3 m/s (2024).
The wettest September on record was 2011 with 434 mm. On average, September sees 217 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 Simdega 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.
