September is close to Bilaspur's year-round average, with average highs near 30°C and lows around 23.2°C (mean 26.6°C). It is a relatively wet time of year, averaging 209 mm of rainfall and 86% relative humidity across the period.
September is close to Bilaspur's year-round average. Across 45 years of records, the warmest September in Bilaspur was 2009 — when the month averaged 27.4°C — while the coldest was 1984 at 25.6°C. Typical September days reach 30°C with nights near 23.2°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Bilaspur, averaging 209 mm of rainfall. The wettest September on record was 2019 with 440 mm, while the driest was 1996 at 71 mm.
Relative humidity in Bilaspur during September averages 86%. The most humid September was 2003 at 91%, and the least humid was 2000 at 79%.
September receives about 4.5 kWh/m²/day of solar energy in Bilaspur. The sunniest Septembers were 1984 and 1986 at 5.4 kWh/m²/day, and the cloudiest was 2003 at 3.5.
Average wind speed in Bilaspur during September is 1.7 m/s. The windiest September was 2003 at 2.2 m/s, while the calmest was 2020 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.5°C | 26.4°C | 26.7°C | 26.5°C | 26.9°C | +0.4°C |
| Avg High | 30.1°C | 29.8°C | 30.4°C | 29.9°C | 29.9°C | -0.2°C |
| Avg Low | 23.0°C | 23.0°C | 23.1°C | 23.2°C | 23.9°C | +0.9°C |
| Avg Rain | 164 mm | 193 mm | 193 mm | 248 mm | 267 mm | +102 mm |
September temperatures in Bilaspur have risen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17°C (1982) to a record high of 34.6°C (2000).
Rainfall in September is a relatively wet time of year, averaging 209 mm, with a wettest year of 440 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 Bilaspur
September is a good time to visit Bilaspur, with days averaging 30°C and nights around 23.2°C (mean 26.6°C, close to Bilaspur'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 | 29.9°C | 26.9°C | 23.8°C | 32.0°C | 22.8°C | 288 mm | 87% | 1.4 m/s | 4 |
| 2024 | 29.9°C | 27.1°C | 24.2°C | 31.8°C | 23.0°C | 225 mm | 89% | 1.9 m/s | 4 |
| 2023 | 30.0°C | 27.0°C | 24.0°C | 32.0°C | 22.7°C | 400 mm | 88% | 1.5 m/s | 4.1 |
| 2022 | 29.6°C | 26.5°C | 23.4°C | 31.1°C | 21.7°C | 228 mm | 88% | 1.8 m/s | 3.9 |
| 2021 | 29.7°C | 26.8°C | 23.9°C | 31.6°C | 22.4°C | 305 mm | 88% | 1.7 m/s | 4.1 |
| 2020 | 30.5°C | 27.2°C | 23.9°C | 32.3°C | 22.2°C | 152 mm | 85% | 1.1 m/s | 4.5 |
| 2019 🌧️ | 29.5°C | 26.7°C | 23.9°C | 31.9°C | 22.7°C | 440 mm | 90% | 2 m/s | 3.6 |
| 2018 | 29.9°C | 26.1°C | 22.3°C | 31.8°C | 20.9°C | 96 mm | 85% | 2.1 m/s | 4.5 |
| 2017 | 30.4°C | 27.0°C | 23.7°C | 32.3°C | 21.1°C | 207 mm | 85% | 1.2 m/s | 4.3 |
| 2016 | 29.3°C | 26.5°C | 23.6°C | 31.1°C | 21.9°C | 288 mm | 89% | 1.8 m/s | 4.1 |
| 2015 | 30.6°C | 26.8°C | 22.9°C | 32.6°C | 18.8°C | 231 mm | 83% | 1.6 m/s | 5 |
| 2014 | 29.8°C | 26.2°C | 22.6°C | 32.1°C | 19.5°C | 219 mm | 85% | 1.8 m/s | 4.6 |
| 2013 | 29.9°C | 26.6°C | 23.3°C | 31.2°C | 21.3°C | 161 mm | 86% | 1.4 m/s | 4.6 |
| 2012 | 29.7°C | 26.4°C | 23.1°C | 31.0°C | 19.6°C | 182 mm | 87% | 1.5 m/s | 4.5 |
| 2011 | 29.1°C | 26.1°C | 23.0°C | 31.3°C | 20.4°C | 369 mm | 89% | 1.9 m/s | 4 |
| 2010 | 30.3°C | 26.7°C | 23.1°C | 32.5°C | 18.4°C | 288 mm | 84% | 1.4 m/s | 4.8 |
| 2009 🔥 | 31.4°C | 27.4°C | 23.4°C | 33.1°C | 20.9°C | 78 mm | 83% | 1.9 m/s | 5.1 |
| 2008 | 30.0°C | 26.5°C | 22.9°C | 31.0°C | 20.0°C | 270 mm | 86% | 1.7 m/s | 5.1 |
| 2007 | 29.8°C | 26.7°C | 23.6°C | 31.7°C | 22.3°C | 257 mm | 88% | 1.8 m/s | 4.3 |
| 2006 | 30.3°C | 26.5°C | 22.8°C | 31.5°C | 18.6°C | 197 mm | 85% | 1.6 m/s | 5 |
| 2005 | 30.0°C | 26.7°C | 23.4°C | 33.3°C | 20.9°C | 278 mm | 87% | 2 m/s | 4.5 |
| 2004 | 30.8°C | 27.0°C | 23.2°C | 32.9°C | 20.5°C | 162 mm | 83% | 1.3 m/s | 5.1 |
| 2003 | 28.5°C | 26.1°C | 23.7°C | 30.5°C | 22.6°C | 362 mm | 91% | 2.2 m/s | 3.5 |
| 2002 | 30.2°C | 26.1°C | 22.0°C | 32.2°C | 18.4°C | 130 mm | 84% | 1.9 m/s | 4.9 |
| 2001 | 31.0°C | 27.0°C | 23.0°C | 32.5°C | 20.4°C | 96 mm | 82% | 1.5 m/s | 5.3 |
| 2000 | 31.6°C | 27.3°C | 23.0°C | 34.6°C | 21.1°C | 105 mm | 79% | 1.9 m/s | 4.4 |
| 1999 | 29.3°C | 26.4°C | 23.4°C | 30.8°C | 22.4°C | 237 mm | 89% | 1.5 m/s | 4.2 |
| 1998 | 30.2°C | 27.1°C | 23.9°C | 31.7°C | 22.9°C | 238 mm | 87% | 1.5 m/s | 4.9 |
| 1997 | 29.8°C | 26.3°C | 22.8°C | 32.0°C | 19.2°C | 99 mm | 87% | 1.7 m/s | 4.6 |
| 1996 | 30.5°C | 26.7°C | 23.0°C | 32.1°C | 20.4°C | 71 mm | 84% | 1.2 m/s | 4.9 |
| 1995 | 30.4°C | 26.8°C | 23.1°C | 32.3°C | 20.5°C | 155 mm | 85% | 1.8 m/s | 4.9 |
| 1994 | 29.4°C | 25.8°C | 22.2°C | 31.3°C | 18.3°C | 249 mm | 86% | 1.7 m/s | 4.9 |
| 1993 | 29.3°C | 26.2°C | 23.0°C | 31.0°C | 21.9°C | 312 mm | 89% | 1.9 m/s | 3.7 |
| 1992 | 29.7°C | 25.8°C | 22.0°C | 31.0°C | 19.4°C | 192 mm | 85% | 1.9 m/s | 5 |
| 1991 | 30.2°C | 26.5°C | 22.8°C | 31.9°C | 19.8°C | 78 mm | 85% | 1.7 m/s | 5 |
| 1990 | 29.6°C | 26.5°C | 23.4°C | 30.9°C | 22.3°C | 301 mm | 89% | 1.8 m/s | 3.9 |
| 1989 | 30.0°C | 26.8°C | 23.6°C | 31.9°C | 22.0°C | 155 mm | 86% | 1.5 m/s | 4.6 |
| 1988 | 30.4°C | 27.1°C | 23.8°C | 31.8°C | 22.8°C | 116 mm | 85% | 1.5 m/s | 4.8 |
| 1987 | 31.0°C | 27.2°C | 23.4°C | 33.4°C | 21.1°C | 145 mm | 84% | 2 m/s | 4 |
| 1986 | 30.5°C | 26.4°C | 22.4°C | 34.4°C | 20.7°C | 137 mm | 82% | 1.7 m/s | 5.4 |
| 1985 | 29.6°C | 26.2°C | 22.9°C | 31.5°C | 20.5°C | 248 mm | 86% | 1.6 m/s | 5.1 |
| 1984 ❄️ | 29.6°C | 25.6°C | 21.7°C | 31.3°C | 18.3°C | 79 mm | 84% | 1.9 m/s | 5.4 |
| 1983 | 29.5°C | 26.7°C | 23.8°C | 31.7°C | 22.9°C | 258 mm | 88% | 1.5 m/s | — |
| 1982 | 30.6°C | 26.2°C | 21.9°C | 32.3°C | 17.0°C | 80 mm | 83% | 1.6 m/s | — |
| 1981 | 29.4°C | 26.4°C | 23.3°C | 31.1°C | 22.3°C | 258 mm | 88% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 30°C with lows near 23.2°C (mean 26.6°C), based on 45 years of NASA POWER data.
September averages 209 mm of rainfall in Bilaspur, a relatively wet time of year. The wettest on record was 440 mm in 2019.
The hottest September reached 34.6°C in 2000. The coldest dipped to 17°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.7°C. Daytime highs moved from 29.7°C to 29.8°C and overnight lows from 22.7°C to 23.9°C over the same span.
September is close to Bilaspur's year-round average and a relatively wet time of year, so plan for around 30°C daytime highs and 23.2°C at night.
Not quite — September is the 6th coolest month in Bilaspur, averaging 26.6°C.
For September in Bilaspur, pack light, breathable clothing and sun protection, with typical highs of 30°C and lows of 23.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 86% — quite humid.
Average wind speed in September is 1.7 m/s. The windiest September on record averaged 2.2 m/s (2003).
The wettest September on record was 2019 with 440 mm. On average, September sees 209 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 Bilaspur 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.
