September is one of the warmer months of the year in Gaya, with average highs near 31.5°C and lows around 24.7°C (mean 28.1°C). It is a relatively wet time of year, averaging 176 mm of rainfall and 84% relative humidity across the period.
September is one of the warmer months of the year in Gaya. Across 45 years of records, the warmest September in Gaya was 1983 — when the month averaged 29.9°C — while the coldest was 1984 at 26.6°C. Typical September days reach 31.5°C with nights near 24.7°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Gaya, averaging 176 mm of rainfall. The wettest September on record was 2016 with 381 mm, while the driest was 1992 at 48 mm.
Relative humidity in Gaya during September averages 84%. The most humid Septembers were 1987 and 2011 at 88%, and the least humid was 1983 at 73%.
September receives about 4.6 kWh/m²/day of solar energy in Gaya. The sunniest September was 1988 at 5.3 kWh/m²/day, and the cloudiest was 2019 at 3.9.
Average wind speed in Gaya during September is 1.9 m/s. The windiest Septembers were 1999, 2000 and 2011, among others at 2.4 m/s, while the calmest were 1997, 2017 and 2025, among others at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.3°C | 27.8°C | 28.0°C | 28.2°C | 28.6°C | +0.3°C |
| Avg High | 31.9°C | 31.2°C | 31.3°C | 31.6°C | 31.8°C | -0.1°C |
| Avg Low | 24.6°C | 24.4°C | 24.6°C | 24.8°C | 25.5°C | +0.9°C |
| Avg Rain | 168 mm | 173 mm | 167 mm | 195 mm | 174 mm | +6 mm |
September temperatures in Gaya have risen by about 0.5°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.3°C (1994) to a record high of 37.4°C (1983).
Rainfall in September is a relatively wet time of year, averaging 176 mm, with a wettest year of 381 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 Gaya
September is a good time to visit Gaya, with days averaging 31.5°C and nights around 24.7°C (mean 28.1°C, warmer than Gaya's yearly average) and higher rainfall. November 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 | 31.6°C | 28.4°C | 25.3°C | 33.0°C | 24.1°C | 163 mm | 85% | 1.4 m/s | 4.4 |
| 2024 | 31.8°C | 28.7°C | 25.6°C | 34.2°C | 23.3°C | 163 mm | 86% | 2.1 m/s | 4.4 |
| 2023 | 32.3°C | 29.1°C | 25.9°C | 36.2°C | 24.9°C | 192 mm | 84% | 1.8 m/s | 4.1 |
| 2022 | 31.7°C | 28.5°C | 25.3°C | 33.5°C | 23.5°C | 122 mm | 83% | 1.6 m/s | 4 |
| 2021 | 31.4°C | 28.3°C | 25.1°C | 33.2°C | 23.8°C | 158 mm | 87% | 2.1 m/s | 4.3 |
| 2020 | 31.7°C | 28.6°C | 25.5°C | 33.6°C | 22.5°C | 246 mm | 85% | 1.5 m/s | 4.3 |
| 2019 | 31.4°C | 28.5°C | 25.5°C | 33.9°C | 23.4°C | 328 mm | 85% | 1.9 m/s | 3.9 |
| 2018 | 32.2°C | 28.4°C | 24.7°C | 33.9°C | 22.4°C | 74 mm | 83% | 2 m/s | 4.7 |
| 2017 | 32.3°C | 28.9°C | 25.5°C | 33.5°C | 23.3°C | 102 mm | 84% | 1.4 m/s | 4.8 |
| 2016 🌧️ | 31.1°C | 28.2°C | 25.3°C | 33.5°C | 24.3°C | 381 mm | 87% | 1.5 m/s | 4.1 |
| 2015 | 32.3°C | 28.4°C | 24.4°C | 34.0°C | 21.7°C | 85 mm | 81% | 1.9 m/s | 5.2 |
| 2014 | 31.3°C | 27.9°C | 24.4°C | 32.9°C | 21.1°C | 199 mm | 85% | 1.7 m/s | 4.8 |
| 2013 | 32.1°C | 28.4°C | 24.8°C | 33.6°C | 23.8°C | 217 mm | 81% | 1.5 m/s | 4.7 |
| 2012 | 30.9°C | 27.4°C | 23.9°C | 33.0°C | 19.3°C | 178 mm | 85% | 1.6 m/s | 4.7 |
| 2011 | 30.6°C | 27.7°C | 24.7°C | 33.3°C | 22.8°C | 278 mm | 88% | 2.4 m/s | 4.3 |
| 2010 | 32.1°C | 28.5°C | 24.8°C | 34.8°C | 21.1°C | 110 mm | 81% | 1.9 m/s | 4.7 |
| 2009 | 31.9°C | 28.4°C | 24.8°C | 34.0°C | 23.9°C | 194 mm | 83% | 1.8 m/s | 4.8 |
| 2008 | 31.1°C | 27.8°C | 24.4°C | 33.0°C | 21.6°C | 115 mm | 86% | 1.7 m/s | 4.9 |
| 2007 | 30.7°C | 27.7°C | 24.8°C | 32.8°C | 23.5°C | 270 mm | 87% | 2 m/s | 4.4 |
| 2006 | 31.1°C | 27.7°C | 24.4°C | 33.3°C | 22.3°C | 201 mm | 85% | 2 m/s | 4.4 |
| 2005 | 32.3°C | 28.6°C | 25.0°C | 34.3°C | 22.5°C | 110 mm | 82% | 2.1 m/s | 4.7 |
| 2004 | 31.7°C | 28.0°C | 24.3°C | 34.9°C | 22.0°C | 99 mm | 82% | 1.8 m/s | 4.5 |
| 2003 | 31.4°C | 28.3°C | 25.3°C | 32.8°C | 23.7°C | 151 mm | 87% | 2 m/s | 4.4 |
| 2002 | 31.3°C | 27.6°C | 24.0°C | 33.2°C | 22.4°C | 119 mm | 84% | 2 m/s | 4.6 |
| 2001 | 31.0°C | 27.8°C | 24.6°C | 33.0°C | 22.2°C | 156 mm | 85% | 1.6 m/s | 4.6 |
| 2000 | 30.7°C | 27.6°C | 24.4°C | 32.6°C | 21.8°C | 251 mm | 87% | 2.4 m/s | 4 |
| 1999 | 30.9°C | 27.8°C | 24.7°C | 32.5°C | 22.8°C | 86 mm | 87% | 2.4 m/s | 4.5 |
| 1998 | 31.3°C | 28.2°C | 25.0°C | 33.5°C | 23.8°C | 243 mm | 86% | 1.9 m/s | 4.5 |
| 1997 | 31.1°C | 27.7°C | 24.2°C | 32.2°C | 21.7°C | 124 mm | 85% | 1.4 m/s | 4.6 |
| 1996 | 31.7°C | 28.2°C | 24.8°C | 32.8°C | 23.4°C | 136 mm | 84% | 1.4 m/s | 4.6 |
| 1995 | 30.8°C | 27.5°C | 24.3°C | 33.1°C | 21.7°C | 328 mm | 86% | 2.3 m/s | 4.4 |
| 1994 | 30.6°C | 26.8°C | 23.0°C | 32.5°C | 17.3°C | 138 mm | 84% | 2.4 m/s | 4.8 |
| 1993 | 30.6°C | 27.5°C | 24.4°C | 32.9°C | 23.2°C | 349 mm | 87% | 2 m/s | 4.1 |
| 1992 | 32.4°C | 28.2°C | 23.9°C | 34.5°C | 21.9°C | 48 mm | 79% | 2.1 m/s | 5.1 |
| 1991 | 31.2°C | 27.8°C | 24.4°C | 33.1°C | 22.2°C | 172 mm | 84% | 1.4 m/s | 4.4 |
| 1990 | 31.2°C | 28.1°C | 25.0°C | 34.3°C | 22.7°C | 107 mm | 87% | 2 m/s | 4.6 |
| 1989 | 33.3°C | 29.4°C | 25.6°C | 36.8°C | 24.1°C | 134 mm | 76% | 1.9 m/s | 4.7 |
| 1988 | 31.9°C | 28.5°C | 25.1°C | 33.7°C | 23.2°C | 118 mm | 85% | 1.7 m/s | 5.3 |
| 1987 | 30.9°C | 27.9°C | 24.9°C | 33.5°C | 20.8°C | 360 mm | 88% | 2 m/s | 4.4 |
| 1986 | 32.4°C | 28.2°C | 23.9°C | 35.5°C | 20.9°C | 91 mm | 77% | 2.3 m/s | 4.6 |
| 1985 | 31.0°C | 27.7°C | 24.4°C | 33.6°C | 22.0°C | 244 mm | 86% | 1.7 m/s | 5.1 |
| 1984 ❄️ | 30.1°C | 26.6°C | 23.1°C | 31.3°C | 17.8°C | 198 mm | 86% | 2 m/s | 4.8 |
| 1983 🔥 | 34.0°C | 29.9°C | 25.8°C | 37.4°C | 24.1°C | 68 mm | 73% | 2 m/s | — |
| 1982 | 32.7°C | 28.2°C | 23.7°C | 34.4°C | 19.7°C | 97 mm | 79% | 1.9 m/s | — |
| 1981 | 31.2°C | 28.0°C | 24.7°C | 33.0°C | 23.1°C | 203 mm | 86% | 1.8 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31.5°C with lows near 24.7°C (mean 28.1°C), based on 45 years of NASA POWER data.
September averages 176 mm of rainfall in Gaya, a relatively wet time of year. The wettest on record was 381 mm in 2016.
The hottest September reached 37.4°C in 1983. The coldest dipped to 17.3°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. Daytime highs moved from 31.8°C to 31.8°C and overnight lows from 24.3°C to 25.4°C over the same span.
September is one of the warmer months of the year in Gaya and a relatively wet time of year, so plan for around 31.5°C daytime highs and 24.7°C at night.
Not quite — September is the 7th coolest month in Gaya, averaging 28.1°C.
For September in Gaya, pack light, breathable clothing and sun protection, with typical highs of 31.5°C and lows of 24.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 84% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.4 m/s (1994).
The wettest September on record was 2016 with 381 mm. On average, September sees 176 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 Gaya 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.
