September is one of the warmer months of the year in Bokaro, with average highs near 29.9°C and lows around 23.8°C (mean 26.9°C). It is a relatively wet time of year, averaging 232 mm of rainfall and 88% relative humidity across the period.
September is one of the warmer months of the year in Bokaro. Across 45 years of records, the warmest September in Bokaro was 2017 — when the month averaged 27.6°C — while the coldest was 1984 at 25.8°C. Typical September days reach 29.9°C with nights near 23.8°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Bokaro, averaging 232 mm of rainfall. The wettest September on record was 2024 with 606 mm, while the driest was 1996 at 112 mm.
Relative humidity in Bokaro during September averages 88%. The most humid September was 1999 at 91%, and the least humid was 1986 at 82%.
September receives about 4.4 kWh/m²/day of solar energy in Bokaro. The sunniest September was 2015 at 5.1 kWh/m²/day, and the cloudiest were 1993 and 2023 at 3.8.
Average wind speed in Bokaro during September is 1.8 m/s. The windiest September was 2011 at 2.4 m/s, while the calmest was 2017 at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.9°C | 26.5°C | 26.8°C | 27.0°C | 27.2°C | +0.3°C |
| Avg High | 30.2°C | 29.6°C | 29.8°C | 30.1°C | 29.9°C | -0.3°C |
| Avg Low | 23.5°C | 23.5°C | 23.8°C | 23.9°C | 24.4°C | +0.9°C |
| Avg Rain | 184 mm | 219 mm | 226 mm | 247 mm | 307 mm | +123 mm |
September temperatures in Bokaro have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.5°C (1994) to a record high of 34.1°C (2010).
Rainfall in September is a relatively wet time of year, averaging 232 mm, with a wettest year of 606 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 Bokaro
September is a good time to visit Bokaro, with days averaging 29.9°C and nights around 23.8°C (mean 26.9°C, warmer than Bokaro'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 | 30.0°C | 27.1°C | 24.3°C | 31.8°C | 23.4°C | 193 mm | 89% | 1.5 m/s | 4.3 |
| 2024 🌧️ | 29.9°C | 27.3°C | 24.7°C | 32.2°C | 22.1°C | 606 mm | 90% | 2.3 m/s | 4.2 |
| 2023 | 30.2°C | 27.5°C | 24.7°C | 33.1°C | 23.7°C | 259 mm | 89% | 1.8 m/s | 3.8 |
| 2022 | 30.0°C | 27.1°C | 24.3°C | 31.5°C | 23.4°C | 195 mm | 89% | 1.7 m/s | 4.1 |
| 2021 | 29.5°C | 26.7°C | 24.0°C | 31.6°C | 22.9°C | 414 mm | 90% | 2 m/s | 4.1 |
| 2020 | 30.0°C | 27.3°C | 24.5°C | 32.5°C | 21.0°C | 172 mm | 89% | 1.5 m/s | 4.3 |
| 2019 | 29.8°C | 27.0°C | 24.2°C | 32.0°C | 21.9°C | 308 mm | 89% | 1.9 m/s | 4 |
| 2018 | 30.1°C | 26.9°C | 23.7°C | 31.6°C | 21.4°C | 166 mm | 87% | 1.7 m/s | 4.4 |
| 2017 🔥 | 30.7°C | 27.6°C | 24.5°C | 32.9°C | 23.4°C | 204 mm | 87% | 1.3 m/s | 4.6 |
| 2016 | 29.8°C | 26.9°C | 24.0°C | 31.4°C | 22.9°C | 356 mm | 90% | 1.6 m/s | 4.3 |
| 2015 | 31.1°C | 27.4°C | 23.7°C | 32.5°C | 20.8°C | 129 mm | 83% | 1.6 m/s | 5.1 |
| 2014 | 30.7°C | 27.1°C | 23.6°C | 32.0°C | 21.0°C | 169 mm | 85% | 1.6 m/s | 4.8 |
| 2013 | 29.7°C | 26.8°C | 23.9°C | 31.3°C | 22.7°C | 233 mm | 88% | 1.6 m/s | 4.4 |
| 2012 | 29.4°C | 26.4°C | 23.5°C | 31.1°C | 19.2°C | 259 mm | 89% | 1.6 m/s | 4.6 |
| 2011 | 29.2°C | 26.6°C | 23.9°C | 31.0°C | 21.5°C | 382 mm | 91% | 2.4 m/s | 4 |
| 2010 | 30.8°C | 27.3°C | 23.8°C | 34.1°C | 20.4°C | 267 mm | 84% | 1.9 m/s | 4.6 |
| 2009 | 30.1°C | 27.0°C | 24.0°C | 31.9°C | 23.2°C | 274 mm | 88% | 1.8 m/s | 4.7 |
| 2008 | 29.8°C | 26.7°C | 23.5°C | 32.2°C | 21.1°C | 184 mm | 87% | 1.8 m/s | 4.6 |
| 2007 | 29.1°C | 26.6°C | 24.1°C | 31.3°C | 22.7°C | 358 mm | 91% | 2.1 m/s | 4.4 |
| 2006 | 29.6°C | 26.7°C | 23.7°C | 31.9°C | 22.2°C | 306 mm | 89% | 1.9 m/s | 4.5 |
| 2005 | 30.2°C | 27.1°C | 24.0°C | 32.4°C | 22.5°C | 159 mm | 87% | 2.1 m/s | 5 |
| 2004 | 29.6°C | 26.7°C | 23.8°C | 32.6°C | 21.7°C | 145 mm | 88% | 2.1 m/s | 4.3 |
| 2003 | 30.0°C | 27.2°C | 24.4°C | 31.5°C | 23.3°C | 223 mm | 89% | 1.8 m/s | 4.4 |
| 2002 | 29.4°C | 26.4°C | 23.3°C | 31.6°C | 21.4°C | 263 mm | 88% | 1.8 m/s | 4.6 |
| 2001 | 29.8°C | 26.8°C | 23.7°C | 31.1°C | 22.3°C | 125 mm | 87% | 1.6 m/s | 4.8 |
| 2000 | 29.9°C | 26.7°C | 23.4°C | 31.4°C | 20.7°C | 227 mm | 88% | 2.1 m/s | 4.2 |
| 1999 | 28.9°C | 26.4°C | 23.9°C | 30.5°C | 22.2°C | 165 mm | 91% | 2.1 m/s | 4.4 |
| 1998 | 29.7°C | 26.9°C | 24.1°C | 32.3°C | 22.9°C | 308 mm | 89% | 1.8 m/s | 4.6 |
| 1997 | 29.8°C | 26.5°C | 23.3°C | 31.9°C | 20.3°C | 138 mm | 88% | 1.6 m/s | 4.5 |
| 1996 | 30.2°C | 26.9°C | 23.6°C | 31.5°C | 22.1°C | 112 mm | 87% | 1.5 m/s | 4.8 |
| 1995 | 29.5°C | 26.6°C | 23.6°C | 31.6°C | 20.2°C | 335 mm | 88% | 2 m/s | 4 |
| 1994 | 29.5°C | 25.9°C | 22.4°C | 31.4°C | 17.5°C | 135 mm | 85% | 2.1 m/s | 4.7 |
| 1993 | 29.2°C | 26.3°C | 23.4°C | 32.0°C | 22.2°C | 311 mm | 89% | 2.1 m/s | 3.8 |
| 1992 | 30.3°C | 26.6°C | 22.8°C | 31.9°C | 21.2°C | 123 mm | 85% | 2 m/s | 4.8 |
| 1991 | 29.4°C | 26.5°C | 23.6°C | 31.1°C | 21.4°C | 315 mm | 88% | 1.6 m/s | 4.3 |
| 1990 | 29.7°C | 26.8°C | 24.0°C | 31.5°C | 22.6°C | 250 mm | 90% | 1.8 m/s | 4 |
| 1989 | 30.7°C | 27.4°C | 24.0°C | 33.1°C | 22.7°C | 155 mm | 85% | 1.8 m/s | 4.5 |
| 1988 | 30.4°C | 27.2°C | 24.0°C | 32.7°C | 22.3°C | 134 mm | 87% | 1.6 m/s | 4.9 |
| 1987 | 30.4°C | 27.3°C | 24.1°C | 32.9°C | 20.8°C | 281 mm | 88% | 1.8 m/s | 4.4 |
| 1986 | 30.6°C | 26.9°C | 23.3°C | 33.7°C | 20.9°C | 118 mm | 82% | 2.1 m/s | 4.5 |
| 1985 | 29.8°C | 26.6°C | 23.4°C | 31.4°C | 21.6°C | 227 mm | 88% | 1.8 m/s | 4.8 |
| 1984 ❄️ | 29.3°C | 25.8°C | 22.4°C | 30.8°C | 18.0°C | 149 mm | 86% | 1.8 m/s | 4.7 |
| 1983 | 30.6°C | 27.3°C | 24.0°C | 32.7°C | 22.1°C | 206 mm | 86% | 1.9 m/s | — |
| 1982 | 31.0°C | 26.9°C | 22.7°C | 32.5°C | 19.1°C | 141 mm | 83% | 1.7 m/s | — |
| 1981 | 29.4°C | 26.6°C | 23.8°C | 32.1°C | 21.7°C | 239 mm | 89% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 29.9°C with lows near 23.8°C (mean 26.9°C), based on 45 years of NASA POWER data.
September averages 232 mm of rainfall in Bokaro, a relatively wet time of year. The wettest on record was 606 mm in 2024.
The hottest September reached 34.1°C in 2010. The coldest dipped to 17.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.5°C — but days and nights have moved in opposite directions. Overnight lows rose from 23.3°C to 24.4°C while daytime highs eased from 30°C to 29.9°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Bokaro and a relatively wet time of year, so plan for around 29.9°C daytime highs and 23.8°C at night.
Not quite — September is the 7th coolest month in Bokaro, averaging 26.9°C.
For September in Bokaro, pack light layers you can adjust through the day, with typical highs of 29.9°C and lows of 23.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 88% — quite humid.
Average wind speed in September is 1.8 m/s. The windiest September on record averaged 2.4 m/s (2011).
The wettest September on record was 2024 with 606 mm. On average, September sees 232 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 Bokaro 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.
