September is one of the warmer months of the year in Gumla, with average highs near 27.9°C and lows around 21.6°C (mean 24.8°C). It is a relatively wet time of year, averaging 221 mm of rainfall and 88% relative humidity across the period.
September is one of the warmer months of the year in Gumla. Across 45 years of records, the warmest September in Gumla was 2023 — when the month averaged 25.6°C — while the coldest was 1984 at 23.7°C. Typical September days reach 27.9°C with nights near 21.6°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Gumla, averaging 221 mm of rainfall. The wettest September on record was 2011 with 394 mm, while the driest was 2001 at 90 mm.
Relative humidity in Gumla during September averages 88%. The most humid September was 2003 at 91%, and the least humid was 1986 at 83%.
September receives about 4.5 kWh/m²/day of solar energy in Gumla. The sunniest September was 2015 at 5.2 kWh/m²/day, and the cloudiest were 1993 and 2023 at 3.8.
Average wind speed in Gumla during September is 1.9 m/s. The windiest September was 2024 at 2.5 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 | 24.7°C | 24.5°C | 24.7°C | 24.9°C | 25.2°C | +0.5°C |
| Avg High | 28.1°C | 27.6°C | 27.9°C | 28.1°C | 28.2°C | +0.1°C |
| Avg Low | 21.4°C | 21.4°C | 21.6°C | 21.7°C | 22.3°C | +0.9°C |
| Avg Rain | 174 mm | 227 mm | 218 mm | 230 mm | 267 mm | +93 mm |
September temperatures in Gumla have risen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 15.7°C (1982) to a record high of 30.9°C (2023).
Rainfall in September is a relatively wet time of year, averaging 221 mm, with a wettest year of 394 mm.
A good time to visit Gumla
September is a good time to visit Gumla, with days averaging 27.9°C and nights around 21.6°C (mean 24.8°C, close to Gumla's yearly average) and higher rainfall. October 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 | 28.1°C | 25.1°C | 22.1°C | 29.6°C | 20.9°C | 239 mm | 89% | 1.6 m/s | 4.1 |
| 2024 | 28.1°C | 25.4°C | 22.7°C | 30.5°C | 21.6°C | 302 mm | 91% | 2.5 m/s | 4 |
| 2023 🔥 | 28.6°C | 25.6°C | 22.5°C | 30.9°C | 21.2°C | 275 mm | 89% | 1.8 m/s | 3.8 |
| 2022 | 28.1°C | 25.0°C | 22.0°C | 29.4°C | 20.2°C | 218 mm | 89% | 1.9 m/s | 3.9 |
| 2021 | 27.8°C | 24.9°C | 22.1°C | 29.5°C | 20.2°C | 258 mm | 90% | 2.3 m/s | 4.1 |
| 2020 | 28.3°C | 25.2°C | 22.1°C | 29.9°C | 18.7°C | 312 mm | 89% | 1.6 m/s | 4.5 |
| 2019 | 27.7°C | 24.9°C | 22.2°C | 29.8°C | 20.2°C | 293 mm | 90% | 2.3 m/s | 3.9 |
| 2018 | 28.0°C | 24.6°C | 21.3°C | 29.8°C | 18.5°C | 173 mm | 87% | 2 m/s | 4.5 |
| 2017 | 28.6°C | 25.4°C | 22.2°C | 30.4°C | 20.3°C | 164 mm | 87% | 1.3 m/s | 4.7 |
| 2016 | 27.6°C | 24.8°C | 22.0°C | 29.5°C | 21.0°C | 252 mm | 91% | 1.8 m/s | 3.9 |
| 2015 | 28.8°C | 25.1°C | 21.4°C | 30.2°C | 17.7°C | 105 mm | 84% | 1.7 m/s | 5.2 |
| 2014 | 28.5°C | 24.7°C | 21.0°C | 29.9°C | 17.8°C | 165 mm | 86% | 1.7 m/s | 4.6 |
| 2013 | 28.0°C | 24.8°C | 21.7°C | 29.4°C | 19.8°C | 225 mm | 88% | 1.6 m/s | 4.6 |
| 2012 | 27.7°C | 24.6°C | 21.4°C | 29.7°C | 17.4°C | 250 mm | 88% | 1.7 m/s | 4.6 |
| 2011 🌧️ | 27.1°C | 24.5°C | 21.8°C | 29.5°C | 18.7°C | 394 mm | 91% | 2.3 m/s | 3.9 |
| 2010 | 28.8°C | 25.2°C | 21.6°C | 30.7°C | 17.1°C | 283 mm | 85% | 1.9 m/s | 4.7 |
| 2009 | 28.5°C | 25.2°C | 21.9°C | 29.9°C | 20.2°C | 239 mm | 88% | 1.9 m/s | 4.8 |
| 2008 | 27.8°C | 24.5°C | 21.2°C | 29.3°C | 18.3°C | 212 mm | 88% | 1.9 m/s | 5 |
| 2007 | 27.4°C | 24.8°C | 22.1°C | 29.6°C | 21.1°C | 341 mm | 91% | 2.2 m/s | 4.2 |
| 2006 | 27.5°C | 24.4°C | 21.3°C | 29.7°C | 19.3°C | 229 mm | 89% | 2.1 m/s | 4.4 |
| 2005 | 28.0°C | 24.8°C | 21.7°C | 30.8°C | 19.2°C | 160 mm | 88% | 2.3 m/s | 4.5 |
| 2004 | 28.0°C | 24.8°C | 21.5°C | 30.8°C | 19.6°C | 137 mm | 87% | 1.8 m/s | 4.5 |
| 2003 | 27.7°C | 25.0°C | 22.4°C | 29.1°C | 21.5°C | 272 mm | 91% | 2 m/s | 4 |
| 2002 | 27.5°C | 24.3°C | 21.0°C | 29.0°C | 19.0°C | 267 mm | 88% | 1.9 m/s | 4.5 |
| 2001 | 28.2°C | 24.9°C | 21.5°C | 29.7°C | 19.2°C | 90 mm | 87% | 1.8 m/s | 4.9 |
| 2000 | 27.9°C | 24.6°C | 21.4°C | 29.8°C | 19.2°C | 236 mm | 87% | 2.1 m/s | 4.1 |
| 1999 | 27.3°C | 24.7°C | 22.0°C | 28.9°C | 20.6°C | 191 mm | 91% | 1.9 m/s | 4.5 |
| 1998 | 27.7°C | 25.0°C | 22.2°C | 30.4°C | 21.4°C | 316 mm | 90% | 1.7 m/s | 4.6 |
| 1997 | 27.7°C | 24.4°C | 21.2°C | 29.5°C | 18.2°C | 156 mm | 88% | 1.6 m/s | 4.6 |
| 1996 | 28.1°C | 24.8°C | 21.5°C | 29.6°C | 19.2°C | 152 mm | 88% | 1.5 m/s | 4.9 |
| 1995 | 27.5°C | 24.5°C | 21.5°C | 29.5°C | 18.9°C | 322 mm | 89% | 2.1 m/s | 4.4 |
| 1994 | 27.4°C | 24.1°C | 20.7°C | 29.3°C | 16.7°C | 192 mm | 86% | 2.1 m/s | 4.6 |
| 1993 | 27.1°C | 24.3°C | 21.4°C | 29.0°C | 20.1°C | 336 mm | 90% | 2.2 m/s | 3.8 |
| 1992 | 27.9°C | 24.2°C | 20.5°C | 29.3°C | 18.3°C | 137 mm | 86% | 2.2 m/s | 5 |
| 1991 | 27.6°C | 24.5°C | 21.3°C | 28.9°C | 18.1°C | 259 mm | 89% | 1.7 m/s | 4.5 |
| 1990 | 27.8°C | 24.9°C | 22.0°C | 30.4°C | 20.9°C | 207 mm | 90% | 1.9 m/s | 4.3 |
| 1989 | 28.4°C | 25.1°C | 21.9°C | 30.4°C | 20.4°C | 152 mm | 88% | 1.8 m/s | 4.6 |
| 1988 | 28.4°C | 25.2°C | 22.0°C | 30.4°C | 20.6°C | 148 mm | 88% | 1.8 m/s | 5 |
| 1987 | 28.2°C | 25.1°C | 22.0°C | 30.8°C | 18.7°C | 256 mm | 89% | 1.9 m/s | 4.2 |
| 1986 | 28.5°C | 24.6°C | 20.7°C | 30.7°C | 18.9°C | 106 mm | 83% | 2.1 m/s | 4.9 |
| 1985 | 27.8°C | 24.6°C | 21.4°C | 29.4°C | 19.2°C | 188 mm | 88% | 1.8 m/s | 4.7 |
| 1984 ❄️ | 27.2°C | 23.7°C | 20.3°C | 28.8°C | 16.0°C | 114 mm | 86% | 2.1 m/s | 4.7 |
| 1983 | 28.0°C | 25.0°C | 22.0°C | 30.4°C | 20.5°C | 232 mm | 89% | 1.7 m/s | — |
| 1982 | 28.7°C | 24.5°C | 20.3°C | 30.3°C | 15.7°C | 139 mm | 84% | 1.7 m/s | — |
| 1981 | 27.3°C | 24.6°C | 21.8°C | 30.1°C | 20.1°C | 234 mm | 89% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 27.9°C with lows near 21.6°C (mean 24.8°C), based on 45 years of NASA POWER data.
September averages 221 mm of rainfall in Gumla, a relatively wet time of year. The wettest on record was 394 mm in 2011.
The hottest September reached 30.9°C in 2023. The coldest dipped to 15.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.7°C. Daytime highs moved from 27.8°C to 28.1°C and overnight lows from 21.2°C to 22.3°C over the same span.
September is one of the warmer months of the year in Gumla and a relatively wet time of year, so plan for around 27.9°C daytime highs and 21.6°C at night.
Not quite — September is the 6th coolest month in Gumla, averaging 24.8°C.
For September in Gumla, pack light layers you can adjust through the day, with typical highs of 27.9°C and lows of 21.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 88% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.5 m/s (2024).
The wettest September on record was 2011 with 394 mm. On average, September sees 221 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 Gumla 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.
