September is close to Bastar's year-round average, with average highs near 28.1°C and lows around 21.9°C (mean 25°C). It is a relatively wet time of year, averaging 237 mm of rainfall and 89% relative humidity across the period.
September is close to Bastar's year-round average. Across 45 years of records, the warmest Septembers in Bastar were 2009 and 2024 — when the month averaged 25.7°C — while the coldest was 1985 at 24.3°C. Typical September days reach 28.1°C with nights near 21.9°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Bastar, averaging 237 mm of rainfall. The wettest September on record was 2015 with 447 mm, while the driest was 2002 at 76 mm.
Relative humidity in Bastar during September averages 89%. The most humid September was 1999 at 92%, and the least humid was 2002 at 85%.
September receives about 4.4 kWh/m²/day of solar energy in Bastar. The sunniest Septembers were 1984, 2004 and 2009 at 5.1 kWh/m²/day, and the cloudiest was 2023 at 3.4.
Average wind speed in Bastar during September is 1.8 m/s. The windiest September was 1999 at 2.4 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 | 24.9°C | 24.9°C | 25.1°C | 25.0°C | 25.5°C | +0.6°C |
| Avg High | 28.1°C | 28.0°C | 28.3°C | 28.0°C | 28.5°C | +0.4°C |
| Avg Low | 21.7°C | 21.8°C | 21.9°C | 21.9°C | 22.5°C | +0.8°C |
| Avg Rain | 196 mm | 195 mm | 216 mm | 311 mm | 279 mm | +82 mm |
September temperatures in Bastar have risen by about 0.8°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.7°C (1982) to a record high of 31.2°C (2009).
Rainfall in September is a relatively wet time of year, averaging 237 mm, with a wettest year of 447 mm.
A good time to visit Bastar
September is a good time to visit Bastar, with days averaging 28.1°C and nights around 21.9°C (mean 25°C, close to Bastar'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 | 28.4°C | 25.5°C | 22.5°C | 30.2°C | 21.7°C | 249 mm | 90% | 1.6 m/s | 4.1 |
| 2024 | 28.8°C | 25.7°C | 22.6°C | 30.9°C | 21.4°C | 281 mm | 90% | 2 m/s | 4.3 |
| 2023 | 28.8°C | 25.6°C | 22.5°C | 30.4°C | 20.8°C | 310 mm | 88% | 1.8 m/s | 3.4 |
| 2022 | 28.1°C | 25.1°C | 22.2°C | 30.3°C | 20.2°C | 296 mm | 90% | 2 m/s | 4.3 |
| 2021 | 28.1°C | 25.3°C | 22.4°C | 30.1°C | 21.4°C | 282 mm | 90% | 1.8 m/s | 3.9 |
| 2020 | 28.7°C | 25.6°C | 22.6°C | 30.9°C | 20.5°C | 253 mm | 88% | 1.5 m/s | 4.6 |
| 2019 | 27.7°C | 25.0°C | 22.3°C | 30.4°C | 21.5°C | 395 mm | 91% | 2.2 m/s | 4 |
| 2018 | 28.0°C | 24.6°C | 21.1°C | 29.9°C | 19.2°C | 228 mm | 88% | 1.8 m/s | 4.5 |
| 2017 | 28.5°C | 25.5°C | 22.4°C | 30.7°C | 21.6°C | 189 mm | 88% | 1.3 m/s | 4.6 |
| 2016 | 28.1°C | 25.1°C | 22.1°C | 29.2°C | 19.8°C | 323 mm | 91% | 2.1 m/s | 3.9 |
| 2015 🌧️ | 28.1°C | 25.1°C | 22.1°C | 29.2°C | 18.9°C | 447 mm | 90% | 1.5 m/s | 4.7 |
| 2014 | 28.0°C | 24.7°C | 21.4°C | 29.8°C | 18.8°C | 389 mm | 88% | 2.2 m/s | 4.3 |
| 2013 | 28.4°C | 25.2°C | 21.9°C | 29.8°C | 20.4°C | 189 mm | 88% | 1.5 m/s | 4.5 |
| 2012 | 27.6°C | 24.8°C | 21.9°C | 28.8°C | 19.3°C | 348 mm | 91% | 2 m/s | 4 |
| 2011 | 28.3°C | 25.0°C | 21.8°C | 30.2°C | 19.0°C | 258 mm | 88% | 2 m/s | 4 |
| 2010 | 27.6°C | 24.9°C | 22.2°C | 29.2°C | 20.0°C | 342 mm | 90% | 1.9 m/s | 4.3 |
| 2009 🔥 | 29.0°C | 25.7°C | 22.4°C | 31.2°C | 20.4°C | 142 mm | 87% | 1.7 m/s | 5.1 |
| 2008 | 27.7°C | 24.6°C | 21.6°C | 30.1°C | 19.4°C | 265 mm | 89% | 1.8 m/s | 4.4 |
| 2007 | 27.9°C | 25.1°C | 22.4°C | 29.5°C | 21.3°C | 220 mm | 91% | 2.1 m/s | 4 |
| 2006 | 28.1°C | 24.9°C | 21.8°C | 30.6°C | 18.3°C | 327 mm | 89% | 1.6 m/s | 4.5 |
| 2005 | 27.9°C | 25.0°C | 22.0°C | 31.0°C | 19.8°C | 358 mm | 90% | 2.3 m/s | 4.4 |
| 2004 | 28.6°C | 25.3°C | 22.0°C | 30.3°C | 20.8°C | 302 mm | 87% | 1.3 m/s | 5.1 |
| 2003 | 27.9°C | 24.9°C | 22.0°C | 29.3°C | 20.9°C | 182 mm | 90% | 2 m/s | 3.9 |
| 2002 | 28.8°C | 24.8°C | 20.8°C | 30.8°C | 19.0°C | 76 mm | 85% | 2.2 m/s | 4.9 |
| 2001 | 28.7°C | 25.4°C | 22.0°C | 30.4°C | 21.0°C | 154 mm | 86% | 1.3 m/s | 5 |
| 2000 | 28.2°C | 24.9°C | 21.6°C | 29.9°C | 20.4°C | 132 mm | 88% | 1.7 m/s | 4.8 |
| 1999 | 27.3°C | 24.6°C | 21.9°C | 28.8°C | 20.6°C | 188 mm | 92% | 2.4 m/s | 3.8 |
| 1998 | 28.2°C | 25.4°C | 22.6°C | 30.0°C | 21.3°C | 182 mm | 90% | 1.9 m/s | 4.7 |
| 1997 | 28.5°C | 25.1°C | 21.8°C | 31.0°C | 20.3°C | 168 mm | 88% | 1.7 m/s | 4.4 |
| 1996 | 29.0°C | 25.5°C | 21.9°C | 30.9°C | 20.4°C | 147 mm | 85% | 1.2 m/s | 4.8 |
| 1995 | 27.9°C | 25.0°C | 22.0°C | 29.4°C | 20.5°C | 240 mm | 90% | 2 m/s | 4.5 |
| 1994 | 27.5°C | 24.4°C | 21.3°C | 29.2°C | 19.8°C | 183 mm | 89% | 2 m/s | 4.4 |
| 1993 | 27.6°C | 24.6°C | 21.7°C | 29.2°C | 20.4°C | 272 mm | 90% | 2 m/s | 4.1 |
| 1992 | 28.0°C | 24.4°C | 20.8°C | 29.4°C | 18.4°C | 133 mm | 87% | 2 m/s | 4.8 |
| 1991 | 28.2°C | 25.0°C | 21.7°C | 29.5°C | 18.9°C | 214 mm | 88% | 1.8 m/s | 4.5 |
| 1990 | 27.5°C | 24.6°C | 21.8°C | 28.8°C | 20.7°C | 220 mm | 91% | 2.1 m/s | 4.3 |
| 1989 | 27.8°C | 24.9°C | 22.0°C | 29.8°C | 19.7°C | 268 mm | 89% | 1.6 m/s | 4.4 |
| 1988 | 28.3°C | 25.3°C | 22.4°C | 30.6°C | 21.0°C | 180 mm | 89% | 1.6 m/s | 4.1 |
| 1987 | 29.0°C | 25.5°C | 22.0°C | 31.1°C | 20.6°C | 95 mm | 86% | 2 m/s | 4.7 |
| 1986 | 28.4°C | 24.9°C | 21.4°C | 31.0°C | 19.5°C | 141 mm | 86% | 1.5 m/s | 4.9 |
| 1985 ❄️ | 27.2°C | 24.3°C | 21.3°C | 29.5°C | 19.5°C | 228 mm | 89% | 1.9 m/s | 4.2 |
| 1984 | 28.1°C | 24.4°C | 20.7°C | 29.5°C | 19.1°C | 126 mm | 86% | 1.6 m/s | 5.1 |
| 1983 | 27.8°C | 25.0°C | 22.2°C | 29.3°C | 20.9°C | 237 mm | 91% | 2.1 m/s | — |
| 1982 | 28.3°C | 24.7°C | 21.2°C | 29.8°C | 17.7°C | 219 mm | 86% | 1.6 m/s | — |
| 1981 | 27.8°C | 24.8°C | 21.8°C | 29.2°C | 20.3°C | 274 mm | 90% | 1.7 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 28.1°C with lows near 21.9°C (mean 25°C), based on 45 years of NASA POWER data.
September averages 237 mm of rainfall in Bastar, a relatively wet time of year. The wettest on record was 447 mm in 2015.
The hottest September reached 31.2°C in 2009. The coldest dipped to 17.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.8°C. Daytime highs moved from 27.8°C to 28.4°C and overnight lows from 21.4°C to 22.4°C over the same span.
September is close to Bastar's year-round average and a relatively wet time of year, so plan for around 28.1°C daytime highs and 21.9°C at night.
Not quite — September is the 6th coolest month in Bastar, averaging 25°C.
For September in Bastar, pack light layers you can adjust through the day, with typical highs of 28.1°C and lows of 21.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 89% — quite humid.
Average wind speed in September is 1.8 m/s. The windiest September on record averaged 2.4 m/s (1999).
The wettest September on record was 2015 with 447 mm. On average, September sees 237 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 Bastar 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.
