September is one of the warmer months of the year in Gumla, with average highs near 29.8°C and lows around 19.3°C (mean 24.6°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 Septembers in Gumla were 2023 and 2024 — when the month averaged 26°C — while the coldest was 1984 at 22.4°C. Typical September days reach 29.8°C with nights near 19.3°C. The long-term September temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.5°C | 24.4°C | 24.7°C | 24.4°C | 25.2°C | +0.7°C |
| Avg High | 30.1°C | 29.5°C | 29.8°C | 29.9°C | 30.0°C | -0.1°C |
| Avg Low | 18.9°C | 19.2°C | 19.7°C | 18.9°C | 20.5°C | +1.6°C |
| Avg Rain | 174 mm | 227 mm | 218 mm | 230 mm | 267 mm | +93 mm |
September temperatures in Gumla have risen by about 1.4°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.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Gumla
September is a good time to visit Gumla, with days averaging 29.8°C and nights around 19.3°C (mean 24.6°C, close to Gumla's yearly average) and higher rainfall. October and February are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 29.6°C | 20.9°C | 25.3°C | 239 mm | 89% | 1.6 m/s | 4.1 |
| 2024 | 30.5°C | 21.6°C | 26.0°C | 302 mm | 91% | 2.5 m/s | 4 |
| 2023 🔥 | 30.9°C | 21.2°C | 26.0°C | 275 mm | 89% | 1.8 m/s | 3.8 |
| 2022 | 29.4°C | 20.2°C | 24.8°C | 218 mm | 89% | 1.9 m/s | 3.9 |
| 2021 | 29.5°C | 20.2°C | 24.8°C | 258 mm | 90% | 2.3 m/s | 4.1 |
| 2020 | 29.9°C | 18.7°C | 24.3°C | 312 mm | 89% | 1.6 m/s | 4.5 |
| 2019 | 29.8°C | 20.2°C | 25.0°C | 293 mm | 90% | 2.3 m/s | 3.9 |
| 2018 | 29.8°C | 18.5°C | 24.1°C | 173 mm | 87% | 2 m/s | 4.5 |
| 2017 | 30.4°C | 20.3°C | 25.3°C | 164 mm | 87% | 1.3 m/s | 4.7 |
| 2016 | 29.5°C | 21.0°C | 25.2°C | 252 mm | 91% | 1.8 m/s | 3.9 |
| 2015 | 30.2°C | 17.7°C | 24.0°C | 105 mm | 84% | 1.7 m/s | 5.2 |
| 2014 | 29.9°C | 17.8°C | 23.9°C | 165 mm | 86% | 1.7 m/s | 4.6 |
| 2013 | 29.4°C | 19.8°C | 24.6°C | 225 mm | 88% | 1.6 m/s | 4.6 |
| 2012 | 29.7°C | 17.4°C | 23.5°C | 250 mm | 88% | 1.7 m/s | 4.6 |
| 2011 🌧️ | 29.5°C | 18.7°C | 24.1°C | 394 mm | 91% | 2.3 m/s | 3.9 |
| 2010 | 30.7°C | 17.1°C | 23.9°C | 283 mm | 85% | 1.9 m/s | 4.7 |
| 2009 | 29.9°C | 20.2°C | 25.1°C | 239 mm | 88% | 1.9 m/s | 4.8 |
| 2008 | 29.3°C | 18.3°C | 23.8°C | 212 mm | 88% | 1.9 m/s | 5 |
| 2007 | 29.6°C | 21.1°C | 25.3°C | 341 mm | 91% | 2.2 m/s | 4.2 |
| 2006 | 29.7°C | 19.3°C | 24.5°C | 229 mm | 89% | 2.1 m/s | 4.4 |
| 2005 | 30.8°C | 19.2°C | 25.0°C | 160 mm | 88% | 2.3 m/s | 4.5 |
| 2004 | 30.8°C | 19.6°C | 25.2°C | 137 mm | 87% | 1.8 m/s | 4.5 |
| 2003 | 29.1°C | 21.5°C | 25.3°C | 272 mm | 91% | 2 m/s | 4 |
| 2002 | 29.0°C | 19.0°C | 24.0°C | 267 mm | 88% | 1.9 m/s | 4.5 |
| 2001 | 29.7°C | 19.2°C | 24.5°C | 90 mm | 87% | 1.8 m/s | 4.9 |
| 2000 | 29.8°C | 19.2°C | 24.5°C | 236 mm | 87% | 2.1 m/s | 4.1 |
| 1999 | 28.9°C | 20.6°C | 24.8°C | 191 mm | 91% | 1.9 m/s | 4.5 |
| 1998 | 30.4°C | 21.4°C | 25.9°C | 316 mm | 90% | 1.7 m/s | 4.6 |
| 1997 | 29.5°C | 18.2°C | 23.8°C | 156 mm | 88% | 1.6 m/s | 4.6 |
| 1996 | 29.6°C | 19.2°C | 24.4°C | 152 mm | 88% | 1.5 m/s | 4.9 |
| 1995 | 29.5°C | 18.9°C | 24.2°C | 322 mm | 89% | 2.1 m/s | 4.4 |
| 1994 | 29.3°C | 16.7°C | 23.0°C | 192 mm | 86% | 2.1 m/s | 4.6 |
| 1993 | 29.0°C | 20.1°C | 24.6°C | 336 mm | 90% | 2.2 m/s | 3.8 |
| 1992 | 29.3°C | 18.3°C | 23.8°C | 137 mm | 86% | 2.2 m/s | 5 |
| 1991 | 28.9°C | 18.1°C | 23.5°C | 259 mm | 89% | 1.7 m/s | 4.5 |
| 1990 | 30.4°C | 20.9°C | 25.7°C | 207 mm | 90% | 1.9 m/s | 4.3 |
| 1989 | 30.4°C | 20.4°C | 25.4°C | 152 mm | 88% | 1.8 m/s | 4.6 |
| 1988 | 30.4°C | 20.6°C | 25.5°C | 148 mm | 88% | 1.8 m/s | 5 |
| 1987 | 30.8°C | 18.7°C | 24.8°C | 256 mm | 89% | 1.9 m/s | 4.2 |
| 1986 | 30.7°C | 18.9°C | 24.8°C | 106 mm | 83% | 2.1 m/s | 4.9 |
| 1985 | 29.4°C | 19.2°C | 24.3°C | 188 mm | 88% | 1.8 m/s | 4.7 |
| 1984 ❄️ | 28.8°C | 16.0°C | 22.4°C | 114 mm | 86% | 2.1 m/s | 4.7 |
| 1983 | 30.4°C | 20.5°C | 25.4°C | 232 mm | 89% | 1.7 m/s | — |
| 1982 | 30.3°C | 15.7°C | 23.0°C | 139 mm | 84% | 1.7 m/s | — |
| 1981 | 30.1°C | 20.1°C | 25.1°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 29.8°C with lows near 19.3°C (mean 24.6°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 1.4°C. Daytime highs moved from 29.8°C to 30°C and overnight lows from 18.3°C to 20.8°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 29.8°C daytime highs and 19.3°C at night.
Not quite — September is the 6th coolest month in Gumla, averaging 24.6°C.
For September in Gumla, pack light layers you can adjust through the day, with typical highs of 29.8°C and lows of 19.3°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.
