September is one of the warmer months of the year in Prayagraj, with average highs near 34.4°C and lows around 21.7°C (mean 28.1°C). It is a relatively wet time of year, averaging 161 mm of rainfall and 82% relative humidity across the period.
September is one of the warmer months of the year in Prayagraj. Across 45 years of records, the warmest September in Prayagraj was 2004 — when the month averaged 31.2°C — while the coldest was 1994 at 24.6°C. Typical September days reach 34.4°C with nights near 21.7°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 | 28.4°C | 27.1°C | 28.3°C | 28.0°C | 28.5°C | +0.1°C |
| Avg High | 35.7°C | 33.1°C | 35.0°C | 34.2°C | 33.9°C | -1.8°C |
| Avg Low | 21.2°C | 21.1°C | 21.7°C | 21.7°C | 23.1°C | +1.9°C |
| Avg Rain | 159 mm | 168 mm | 148 mm | 177 mm | 151 mm | -8 mm |
September temperatures in Prayagraj have risen by about 1.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.5°C (1994) to a record high of 39.9°C (2004).
Rainfall in September is a relatively wet time of year, averaging 161 mm, with a wettest year of 440 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
A good time to visit Prayagraj
September is a good time to visit Prayagraj, with days averaging 34.4°C and nights around 21.7°C (mean 28.1°C, warmer than Prayagraj's yearly average) and higher rainfall. November and February are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.2°C | 22.7°C | 27.9°C | 123 mm | 87% | 1.7 m/s | 4.5 |
| 2024 | 33.1°C | 24.1°C | 28.6°C | 174 mm | 87% | 2 m/s | 4.4 |
| 2023 | 35.9°C | 23.8°C | 29.9°C | 109 mm | 82% | 1.7 m/s | 4.6 |
| 2022 | 33.5°C | 22.6°C | 28.1°C | 184 mm | 85% | 1.8 m/s | 4.4 |
| 2021 | 33.4°C | 23.7°C | 28.5°C | 165 mm | 86% | 2 m/s | 4.5 |
| 2020 | 34.1°C | 21.5°C | 27.8°C | 149 mm | 83% | 1.5 m/s | 4.4 |
| 2019 🌧️ | 33.5°C | 23.0°C | 28.2°C | 440 mm | 88% | 2 m/s | 3.7 |
| 2018 | 32.6°C | 20.7°C | 26.7°C | 141 mm | 85% | 2 m/s | 4.8 |
| 2017 | 33.8°C | 20.5°C | 27.2°C | 79 mm | 82% | 1.5 m/s | 5.1 |
| 2016 | 33.1°C | 23.8°C | 28.4°C | 231 mm | 87% | 1.7 m/s | 4.4 |
| 2015 | 38.1°C | 21.3°C | 29.7°C | 30 mm | 63% | 2.1 m/s | 5.6 |
| 2014 | 37.1°C | 22.3°C | 29.7°C | 119 mm | 72% | 2.1 m/s | 5 |
| 2013 | 32.9°C | 23.8°C | 28.3°C | 62 mm | 82% | 1.6 m/s | 5.2 |
| 2012 | 33.5°C | 19.9°C | 26.7°C | 333 mm | 86% | 1.9 m/s | 4.6 |
| 2011 | 33.3°C | 21.9°C | 27.6°C | 232 mm | 87% | 2 m/s | 4.7 |
| 2010 | 34.3°C | 19.9°C | 27.1°C | 100 mm | 81% | 1.9 m/s | 4.8 |
| 2009 | 36.0°C | 22.1°C | 29.1°C | 178 mm | 80% | 1.9 m/s | 4.9 |
| 2008 | 33.8°C | 20.7°C | 27.2°C | 91 mm | 86% | 1.9 m/s | 5.4 |
| 2007 | 33.7°C | 22.8°C | 28.2°C | 143 mm | 83% | 1.8 m/s | 4.8 |
| 2006 | 38.0°C | 22.3°C | 30.1°C | 36 mm | 67% | 2.1 m/s | 5.3 |
| 2005 | 33.2°C | 21.4°C | 27.3°C | 114 mm | 86% | 2.3 m/s | 4.7 |
| 2004 🔥 | 39.9°C | 22.5°C | 31.2°C | 122 mm | 70% | 1.7 m/s | 5.3 |
| 2003 | 32.9°C | 23.5°C | 28.2°C | 406 mm | 89% | 1.9 m/s | 3.7 |
| 2002 | 33.1°C | 20.2°C | 26.7°C | 201 mm | 83% | 1.8 m/s | 4.9 |
| 2001 | 34.0°C | 20.0°C | 27.0°C | 69 mm | 81% | 1.7 m/s | 5.4 |
| 2000 | 35.3°C | 21.4°C | 28.4°C | 122 mm | 82% | 1.9 m/s | 4.6 |
| 1999 | 32.4°C | 22.4°C | 27.4°C | 142 mm | 88% | 1.9 m/s | 4.4 |
| 1998 | 32.7°C | 23.8°C | 28.2°C | 136 mm | 86% | 2 m/s | 5.1 |
| 1997 | 33.0°C | 20.1°C | 26.5°C | 216 mm | 82% | 2 m/s | 4.7 |
| 1996 | 33.7°C | 22.6°C | 28.1°C | 122 mm | 83% | 1.4 m/s | 5.1 |
| 1995 | 33.2°C | 20.9°C | 27.1°C | 135 mm | 84% | 2.1 m/s | 5 |
| 1994 ❄️ | 32.7°C | 16.5°C | 24.6°C | 78 mm | 82% | 2.1 m/s | 5.1 |
| 1993 | 33.3°C | 22.6°C | 28.0°C | 272 mm | 86% | 2.3 m/s | 3.9 |
| 1992 | 33.8°C | 19.9°C | 26.9°C | 212 mm | 82% | 1.8 m/s | 4.9 |
| 1991 | 32.8°C | 19.8°C | 26.3°C | 179 mm | 84% | 1.6 m/s | 4.9 |
| 1990 | 33.8°C | 22.6°C | 28.2°C | 183 mm | 88% | 2.2 m/s | 4.5 |
| 1989 | 38.0°C | 23.8°C | 30.9°C | 114 mm | 74% | 1.8 m/s | 4.7 |
| 1988 | 37.6°C | 22.7°C | 30.2°C | 23 mm | 74% | 2.2 m/s | 5.4 |
| 1987 | 37.1°C | 19.2°C | 28.2°C | 270 mm | 82% | 2.1 m/s | 4.4 |
| 1986 | 38.7°C | 20.0°C | 29.3°C | 64 mm | 67% | 2.3 m/s | 5.1 |
| 1985 | 36.9°C | 22.0°C | 29.4°C | 275 mm | 81% | 2 m/s | 4.9 |
| 1984 | 31.9°C | 18.4°C | 25.1°C | 194 mm | 83% | 2 m/s | 5.4 |
| 1983 | 34.4°C | 24.0°C | 29.2°C | 178 mm | 83% | 1.8 m/s | — |
| 1982 | 32.6°C | 17.6°C | 25.1°C | 164 mm | 86% | 1.9 m/s | — |
| 1981 | 33.8°C | 23.0°C | 28.4°C | 146 mm | 86% | 2.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34.4°C with lows near 21.7°C (mean 28.1°C), based on 45 years of NASA POWER data.
September averages 161 mm of rainfall in Prayagraj, a relatively wet time of year. The wettest on record was 440 mm in 2019.
The hottest September reached 39.9°C in 2004. The coldest dipped to 16.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.2°C. Daytime highs moved from 33.9°C to 33.8°C and overnight lows from 21°C to 23.4°C over the same span.
September is one of the warmer months of the year in Prayagraj and a relatively wet time of year, so plan for around 34.4°C daytime highs and 21.7°C at night.
Not quite — September is the 7th coolest month in Prayagraj, averaging 28.1°C.
For September in Prayagraj, pack light, breathable clothing and sun protection, with typical highs of 34.4°C and lows of 21.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 82% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.3 m/s (1986).
The wettest September on record was 2019 with 440 mm. On average, September sees 161 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 Prayagraj 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.
