September is one of the warmer months of the year in Jamtara, with average highs near 30.4°C and lows around 24.3°C (mean 27.4°C). It is a relatively wet time of year, averaging 219 mm of rainfall and 87% relative humidity across the period.
September is one of the warmer months of the year in Jamtara. Across 45 years of records, the warmest September in Jamtara was 1983 — when the month averaged 28°C — while the coldest was 1984 at 26.3°C. Typical September days reach 30.4°C with nights near 24.3°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Jamtara, averaging 219 mm of rainfall. The wettest September on record was 2024 with 451 mm, while the driest was 1996 at 90 mm.
Relative humidity in Jamtara during September averages 87%. The most humid September was 1999 at 92%, and the least humid was 1986 at 80%.
September receives about 4.4 kWh/m²/day of solar energy in Jamtara. 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 Jamtara during September is 1.9 m/s. The windiest September was 2011 at 2.5 m/s, while the calmest was 2017 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.4°C | 27.1°C | 27.2°C | 27.5°C | 27.7°C | +0.3°C |
| Avg High | 30.7°C | 30.2°C | 30.2°C | 30.5°C | 30.3°C | -0.4°C |
| Avg Low | 24.1°C | 24.0°C | 24.3°C | 24.4°C | 25.0°C | +0.9°C |
| Avg Rain | 179 mm | 198 mm | 227 mm | 234 mm | 275 mm | +96 mm |
September temperatures in Jamtara have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.9°C (1994) to a record high of 35.2°C (1986).
Rainfall in September is a relatively wet time of year, averaging 219 mm, with a wettest year of 451 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 Jamtara
September is a good time to visit Jamtara, with days averaging 30.4°C and nights around 24.3°C (mean 27.4°C, warmer than Jamtara'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 | 30.4°C | 27.6°C | 24.8°C | 31.9°C | 23.7°C | 194 mm | 88% | 1.5 m/s | 4.3 |
| 2024 🌧️ | 30.4°C | 27.8°C | 25.2°C | 33.1°C | 23.1°C | 451 mm | 90% | 2.3 m/s | 4.2 |
| 2023 | 30.4°C | 27.9°C | 25.3°C | 33.6°C | 24.2°C | 280 mm | 89% | 1.9 m/s | 3.8 |
| 2022 | 30.5°C | 27.7°C | 24.9°C | 32.2°C | 23.9°C | 206 mm | 88% | 1.7 m/s | 4.1 |
| 2021 | 30.1°C | 27.3°C | 24.5°C | 32.3°C | 23.3°C | 297 mm | 90% | 2.1 m/s | 4.1 |
| 2020 | 30.2°C | 27.6°C | 25.0°C | 32.9°C | 22.4°C | 219 mm | 90% | 1.6 m/s | 4.3 |
| 2019 | 30.3°C | 27.6°C | 24.8°C | 32.8°C | 22.5°C | 283 mm | 88% | 2 m/s | 4 |
| 2018 | 30.7°C | 27.5°C | 24.3°C | 32.2°C | 22.2°C | 171 mm | 86% | 1.8 m/s | 4.4 |
| 2017 | 30.9°C | 27.9°C | 25.0°C | 32.6°C | 24.0°C | 190 mm | 88% | 1.4 m/s | 4.6 |
| 2016 | 30.4°C | 27.5°C | 24.5°C | 32.3°C | 23.6°C | 326 mm | 89% | 1.7 m/s | 4.3 |
| 2015 | 31.5°C | 27.9°C | 24.2°C | 33.2°C | 21.7°C | 161 mm | 83% | 1.6 m/s | 5.1 |
| 2014 | 30.8°C | 27.5°C | 24.2°C | 32.6°C | 21.8°C | 186 mm | 86% | 1.7 m/s | 4.8 |
| 2013 | 30.3°C | 27.4°C | 24.4°C | 32.2°C | 23.1°C | 198 mm | 87% | 1.7 m/s | 4.4 |
| 2012 | 29.8°C | 26.9°C | 23.9°C | 32.2°C | 19.7°C | 236 mm | 88% | 1.8 m/s | 4.6 |
| 2011 | 29.5°C | 26.9°C | 24.4°C | 31.7°C | 21.7°C | 343 mm | 90% | 2.5 m/s | 4 |
| 2010 | 30.7°C | 27.4°C | 24.2°C | 33.7°C | 21.6°C | 247 mm | 85% | 1.9 m/s | 4.6 |
| 2009 | 30.3°C | 27.4°C | 24.4°C | 32.6°C | 23.8°C | 259 mm | 88% | 1.8 m/s | 4.7 |
| 2008 | 30.2°C | 27.1°C | 24.1°C | 32.7°C | 22.0°C | 195 mm | 87% | 1.7 m/s | 4.6 |
| 2007 | 29.6°C | 27.0°C | 24.5°C | 31.8°C | 23.3°C | 357 mm | 90% | 2.2 m/s | 4.4 |
| 2006 | 30.1°C | 27.2°C | 24.4°C | 32.2°C | 23.2°C | 317 mm | 88% | 2 m/s | 4.5 |
| 2005 | 30.6°C | 27.6°C | 24.6°C | 32.4°C | 23.1°C | 149 mm | 87% | 2.1 m/s | 5 |
| 2004 | 29.8°C | 27.0°C | 24.2°C | 33.0°C | 22.6°C | 167 mm | 89% | 2.3 m/s | 4.3 |
| 2003 | 30.5°C | 27.7°C | 24.9°C | 32.3°C | 23.8°C | 181 mm | 89% | 1.9 m/s | 4.4 |
| 2002 | 29.9°C | 26.9°C | 23.9°C | 32.3°C | 22.1°C | 236 mm | 88% | 1.9 m/s | 4.6 |
| 2001 | 30.3°C | 27.3°C | 24.2°C | 31.7°C | 22.8°C | 171 mm | 87% | 1.6 m/s | 4.8 |
| 2000 | 30.2°C | 27.1°C | 24.1°C | 32.2°C | 20.6°C | 237 mm | 88% | 2.2 m/s | 4.2 |
| 1999 | 29.1°C | 26.7°C | 24.3°C | 30.8°C | 22.7°C | 162 mm | 92% | 2.3 m/s | 4.4 |
| 1998 | 30.0°C | 27.2°C | 24.5°C | 32.1°C | 23.6°C | 262 mm | 89% | 1.9 m/s | 4.6 |
| 1997 | 30.1°C | 26.9°C | 23.8°C | 31.5°C | 20.5°C | 152 mm | 88% | 1.8 m/s | 4.5 |
| 1996 | 30.7°C | 27.4°C | 24.2°C | 32.0°C | 23.1°C | 90 mm | 86% | 1.6 m/s | 4.8 |
| 1995 | 30.0°C | 27.0°C | 24.1°C | 32.2°C | 20.8°C | 267 mm | 88% | 2.3 m/s | 4 |
| 1994 | 30.1°C | 26.5°C | 22.8°C | 31.7°C | 17.9°C | 108 mm | 85% | 2.2 m/s | 4.7 |
| 1993 | 29.7°C | 26.9°C | 24.0°C | 32.4°C | 23.0°C | 257 mm | 88% | 2.3 m/s | 3.8 |
| 1992 | 31.8°C | 27.7°C | 23.6°C | 35.2°C | 21.8°C | 105 mm | 81% | 2.2 m/s | 4.8 |
| 1991 | 29.9°C | 27.0°C | 24.1°C | 32.1°C | 22.1°C | 311 mm | 88% | 1.8 m/s | 4.3 |
| 1990 | 30.1°C | 27.3°C | 24.5°C | 32.3°C | 23.0°C | 264 mm | 89% | 2 m/s | 4 |
| 1989 | 31.2°C | 27.8°C | 24.5°C | 34.8°C | 23.3°C | 204 mm | 85% | 2 m/s | 4.5 |
| 1988 | 30.9°C | 27.7°C | 24.6°C | 33.2°C | 23.2°C | 127 mm | 86% | 1.6 m/s | 4.9 |
| 1987 | 30.6°C | 27.6°C | 24.5°C | 32.6°C | 21.6°C | 250 mm | 88% | 2 m/s | 4.4 |
| 1986 | 31.3°C | 27.6°C | 23.9°C | 35.2°C | 22.4°C | 134 mm | 80% | 2.4 m/s | 4.5 |
| 1985 | 30.5°C | 27.2°C | 23.9°C | 32.0°C | 22.1°C | 200 mm | 87% | 1.9 m/s | 4.8 |
| 1984 ❄️ | 29.7°C | 26.3°C | 22.9°C | 31.3°C | 18.7°C | 146 mm | 86% | 1.8 m/s | 4.7 |
| 1983 🔥 | 31.4°C | 28.0°C | 24.6°C | 33.7°C | 22.8°C | 151 mm | 84% | 2.1 m/s | — |
| 1982 | 31.3°C | 27.3°C | 23.3°C | 32.9°C | 19.5°C | 128 mm | 83% | 1.8 m/s | — |
| 1981 | 29.7°C | 27.0°C | 24.3°C | 32.0°C | 22.7°C | 269 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 30.4°C with lows near 24.3°C (mean 27.4°C), based on 45 years of NASA POWER data.
September averages 219 mm of rainfall in Jamtara, a relatively wet time of year. The wettest on record was 451 mm in 2024.
The hottest September reached 35.2°C in 1986. The coldest dipped to 17.9°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 23.8°C to 24.9°C while daytime highs eased from 30.5°C to 30.4°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Jamtara and a relatively wet time of year, so plan for around 30.4°C daytime highs and 24.3°C at night.
Not quite — September is the 7th coolest month in Jamtara, averaging 27.4°C.
For September in Jamtara, pack light, breathable clothing and sun protection, with typical highs of 30.4°C and lows of 24.3°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 2.5 m/s (2011).
The wettest September on record was 2024 with 451 mm. On average, September sees 219 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 Jamtara 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.
