September is one of the warmer months of the year in Hooghly, with average highs near 32.8°C and lows around 23.3°C (mean 28.1°C). It is a relatively wet time of year, averaging 226 mm of rainfall and 89% relative humidity across the period.
September is one of the warmer months of the year in Hooghly. Across 45 years of records, the warmest Septembers in Hooghly were 2017 and 2023 — when the month averaged 29.4°C — while the coldest was 1994 at 25.6°C. Typical September days reach 32.8°C with nights near 23.3°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.0°C | 27.9°C | 28.1°C | 28.0°C | 28.7°C | +0.7°C |
| Avg High | 33.1°C | 32.7°C | 32.5°C | 32.9°C | 32.9°C | -0.2°C |
| Avg Low | 22.8°C | 23.1°C | 23.6°C | 23.1°C | 24.6°C | +1.8°C |
| Avg Rain | 180 mm | 215 mm | 243 mm | 231 mm | 274 mm | +94 mm |
September temperatures in Hooghly have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.9°C (1994) to a record high of 34.9°C (1992).
Rainfall in September is a relatively wet time of year, averaging 226 mm, with a wettest year of 442 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Hooghly
September is a good time to visit Hooghly, with days averaging 32.8°C and nights around 23.3°C (mean 28.1°C, warmer than Hooghly's yearly average) and higher rainfall. February and November are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 32.4°C | 24.1°C | 28.3°C | 196 mm | 89% | 1.6 m/s | 4.4 |
| 2024 | 32.8°C | 24.7°C | 28.7°C | 396 mm | 90% | 2.1 m/s | 4.2 |
| 2023 | 33.7°C | 25.1°C | 29.4°C | 257 mm | 89% | 1.9 m/s | 3.7 |
| 2022 | 32.9°C | 24.7°C | 28.8°C | 220 mm | 89% | 1.8 m/s | 4.2 |
| 2021 🌧️ | 32.3°C | 24.6°C | 28.4°C | 442 mm | 91% | 1.9 m/s | 3.7 |
| 2020 | 33.0°C | 24.1°C | 28.5°C | 134 mm | 90% | 1.7 m/s | 4.2 |
| 2019 | 33.2°C | 23.1°C | 28.1°C | 257 mm | 89% | 1.9 m/s | 4 |
| 2018 | 32.7°C | 23.3°C | 28.0°C | 178 mm | 88% | 1.7 m/s | 4.5 |
| 2017 🔥 | 33.9°C | 24.9°C | 29.4°C | 215 mm | 90% | 1.6 m/s | 4.3 |
| 2016 | 32.3°C | 24.3°C | 28.3°C | 256 mm | 89% | 1.6 m/s | 4.4 |
| 2015 | 33.4°C | 22.4°C | 27.9°C | 190 mm | 86% | 1.5 m/s | 4.4 |
| 2014 | 33.0°C | 22.0°C | 27.5°C | 202 mm | 87% | 1.8 m/s | 4.7 |
| 2013 | 32.9°C | 24.1°C | 28.5°C | 239 mm | 90% | 1.6 m/s | 4.3 |
| 2012 | 32.6°C | 21.6°C | 27.1°C | 219 mm | 89% | 1.9 m/s | 4.5 |
| 2011 | 32.8°C | 22.7°C | 27.8°C | 279 mm | 91% | 2.3 m/s | 4 |
| 2010 | 32.7°C | 22.1°C | 27.4°C | 273 mm | 88% | 1.7 m/s | 4.5 |
| 2009 | 32.6°C | 24.5°C | 28.5°C | 329 mm | 90% | 1.8 m/s | 4.5 |
| 2008 | 31.6°C | 22.9°C | 27.3°C | 246 mm | 90% | 1.8 m/s | 4.5 |
| 2007 | 32.0°C | 23.7°C | 27.9°C | 421 mm | 92% | 2.1 m/s | 3.9 |
| 2006 | 32.9°C | 24.1°C | 28.5°C | 320 mm | 89% | 1.9 m/s | 4.3 |
| 2005 | 33.2°C | 24.4°C | 28.8°C | 134 mm | 89% | 1.9 m/s | 4.6 |
| 2004 | 32.3°C | 23.8°C | 28.1°C | 281 mm | 91% | 2.3 m/s | 4.2 |
| 2003 | 32.9°C | 24.3°C | 28.6°C | 124 mm | 89% | 1.8 m/s | 4.3 |
| 2002 | 32.9°C | 23.8°C | 28.4°C | 170 mm | 90% | 1.9 m/s | 4.3 |
| 2001 | 32.7°C | 23.5°C | 28.1°C | 185 mm | 88% | 1.5 m/s | 4.6 |
| 2000 | 31.9°C | 21.4°C | 26.7°C | 216 mm | 90% | 2.1 m/s | 4.1 |
| 1999 | 31.7°C | 23.6°C | 27.6°C | 380 mm | 92% | 2.1 m/s | 3.8 |
| 1998 | 33.0°C | 24.4°C | 28.7°C | 203 mm | 90% | 1.6 m/s | 4.4 |
| 1997 | 32.0°C | 22.4°C | 27.2°C | 179 mm | 90% | 1.7 m/s | 4.1 |
| 1996 | 33.6°C | 23.8°C | 28.7°C | 84 mm | 88% | 1.6 m/s | 4.7 |
| 1995 | 32.6°C | 23.8°C | 28.2°C | 333 mm | 90% | 2.1 m/s | 3.8 |
| 1994 ❄️ | 32.3°C | 18.9°C | 25.6°C | 83 mm | 85% | 2 m/s | 5 |
| 1993 | 32.8°C | 24.0°C | 28.4°C | 249 mm | 90% | 2.2 m/s | 3.8 |
| 1992 | 34.9°C | 23.0°C | 28.9°C | 145 mm | 84% | 2.1 m/s | 4.6 |
| 1991 | 32.4°C | 22.9°C | 27.6°C | 221 mm | 89% | 1.8 m/s | 4.2 |
| 1990 | 31.8°C | 23.9°C | 27.9°C | 274 mm | 90% | 2 m/s | 4.1 |
| 1989 | 33.2°C | 23.5°C | 28.4°C | 201 mm | 88% | 2 m/s | 4.1 |
| 1988 | 33.0°C | 24.2°C | 28.6°C | 177 mm | 89% | 1.8 m/s | 4.5 |
| 1987 | 33.0°C | 24.0°C | 28.5°C | 134 mm | 89% | 2.2 m/s | 4.3 |
| 1986 | 34.1°C | 22.5°C | 28.3°C | 347 mm | 85% | 2.2 m/s | 4.2 |
| 1985 | 32.5°C | 23.0°C | 27.8°C | 166 mm | 88% | 2.1 m/s | 4.4 |
| 1984 | 32.3°C | 20.2°C | 26.3°C | 91 mm | 86% | 1.8 m/s | 4.7 |
| 1983 | 33.6°C | 23.8°C | 28.7°C | 133 mm | 85% | 2.3 m/s | — |
| 1982 | 33.3°C | 20.2°C | 26.8°C | 98 mm | 85% | 1.9 m/s | — |
| 1981 | 33.2°C | 23.6°C | 28.4°C | 273 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 32.8°C with lows near 23.3°C (mean 28.1°C), based on 45 years of NASA POWER data.
September averages 226 mm of rainfall in Hooghly, a relatively wet time of year. The wettest on record was 442 mm in 2021.
The hottest September reached 34.9°C in 1992. The coldest dipped to 18.9°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 33°C to 32.8°C and overnight lows from 22.2°C to 24.6°C over the same span.
September is one of the warmer months of the year in Hooghly and a relatively wet time of year, so plan for around 32.8°C daytime highs and 23.3°C at night.
Not quite — September is the 7th coolest month in Hooghly, averaging 28.1°C.
For September in Hooghly, pack light, breathable clothing and sun protection, with typical highs of 32.8°C and lows of 23.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 89% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.3 m/s (1983).
The wettest September on record was 2021 with 442 mm. On average, September sees 226 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 Hooghly 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.
