September is one of the warmer months of the year in Hardoi, with average highs near 34.9°C and lows around 20.7°C (mean 27.8°C). It is a relatively wet time of year, averaging 151 mm of rainfall and 78% relative humidity across the period.
September is one of the warmer months of the year in Hardoi. Across 45 years of records, the warmest September in Hardoi was 1987 — when the month averaged 30.8°C — while the coldest was 1994 at 24°C. Typical September days reach 34.9°C with nights near 20.7°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 | 28.1°C | 27.4°C | 27.9°C | 27.2°C | 28.8°C | +0.7°C |
| Avg High | 35.7°C | 34.5°C | 35.2°C | 34.1°C | 35.5°C | -0.2°C |
| Avg Low | 20.5°C | 20.4°C | 20.8°C | 20.3°C | 22.0°C | +1.5°C |
| Avg Rain | 158 mm | 137 mm | 174 mm | 138 mm | 145 mm | -13 mm |
September temperatures in Hardoi have risen by about 2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 15.1°C (1994) to a record high of 40.7°C (1987).
Rainfall in September is a relatively wet time of year, averaging 151 mm, with a wettest year of 363 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Hardoi
September is a good time to visit Hardoi, with days averaging 34.9°C and nights around 20.7°C (mean 27.8°C, warmer than Hardoi's yearly average) and higher rainfall. November and October are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.0°C | 21.9°C | 27.5°C | 124 mm | 87% | 1.7 m/s | 4.5 |
| 2024 | 33.5°C | 23.6°C | 28.5°C | 195 mm | 87% | 1.9 m/s | 4.5 |
| 2023 | 34.8°C | 22.2°C | 28.5°C | 180 mm | 82% | 1.6 m/s | 4.6 |
| 2022 | 38.9°C | 22.6°C | 30.7°C | 152 mm | 75% | 2.2 m/s | 4.4 |
| 2021 | 34.2°C | 22.3°C | 28.3°C | 167 mm | 85% | 2.1 m/s | 4.7 |
| 2020 | 38.5°C | 19.6°C | 29.0°C | 50 mm | 70% | 1.5 m/s | 4.6 |
| 2019 | 33.7°C | 21.8°C | 27.8°C | 151 mm | 87% | 1.8 m/s | 4.1 |
| 2018 | 32.2°C | 19.7°C | 25.9°C | 93 mm | 86% | 2.1 m/s | 4.6 |
| 2017 | 35.5°C | 20.7°C | 28.1°C | 109 mm | 75% | 1.5 m/s | 5 |
| 2016 | 33.5°C | 22.6°C | 28.1°C | 85 mm | 81% | 1.6 m/s | 5 |
| 2015 | 38.2°C | 18.3°C | 28.2°C | 76 mm | 59% | 1.9 m/s | 5.6 |
| 2014 | 37.4°C | 20.7°C | 29.1°C | 118 mm | 64% | 2.1 m/s | 5 |
| 2013 | 32.9°C | 20.9°C | 26.9°C | 99 mm | 83% | 1.7 m/s | 5.2 |
| 2012 | 33.1°C | 17.9°C | 25.5°C | 175 mm | 85% | 2 m/s | 4.7 |
| 2011 | 32.4°C | 21.2°C | 26.8°C | 161 mm | 87% | 1.9 m/s | 5 |
| 2010 | 31.6°C | 18.8°C | 25.2°C | 315 mm | 90% | 2 m/s | 4.3 |
| 2009 | 33.3°C | 21.6°C | 27.4°C | 248 mm | 84% | 1.5 m/s | 4.8 |
| 2008 | 33.5°C | 19.9°C | 26.7°C | 275 mm | 85% | 1.6 m/s | 5.2 |
| 2007 | 34.2°C | 21.0°C | 27.6°C | 135 mm | 81% | 1.6 m/s | 4.8 |
| 2006 | 36.1°C | 21.1°C | 28.6°C | 78 mm | 69% | 1.7 m/s | 5.4 |
| 2005 | 36.1°C | 21.0°C | 28.5°C | 281 mm | 80% | 2.3 m/s | 4.7 |
| 2004 | 37.1°C | 20.4°C | 28.7°C | 116 mm | 70% | 1.5 m/s | 5.1 |
| 2003 | 33.3°C | 22.4°C | 27.8°C | 312 mm | 85% | 1.2 m/s | 3.8 |
| 2002 | 35.6°C | 19.3°C | 27.4°C | 233 mm | 79% | 1.6 m/s | 4.3 |
| 2001 | 38.6°C | 21.9°C | 30.2°C | 22 mm | 57% | 1.4 m/s | 5.5 |
| 2000 | 34.0°C | 19.2°C | 26.6°C | 41 mm | 79% | 1.2 m/s | 5.1 |
| 1999 | 34.3°C | 22.9°C | 28.6°C | 220 mm | 83% | 1.4 m/s | 4.3 |
| 1998 | 33.9°C | 23.2°C | 28.5°C | 83 mm | 83% | 1.7 m/s | 5.1 |
| 1997 | 37.8°C | 21.4°C | 29.6°C | 107 mm | 65% | 1.6 m/s | 4.6 |
| 1996 | 33.4°C | 20.4°C | 26.9°C | 168 mm | 84% | 1.5 m/s | 5.3 |
| 1995 | 33.8°C | 20.5°C | 27.1°C | 120 mm | 81% | 1.8 m/s | 5.5 |
| 1994 ❄️ | 33.0°C | 15.1°C | 24.0°C | 28 mm | 78% | 2 m/s | 5.4 |
| 1993 | 35.3°C | 20.8°C | 28.1°C | 175 mm | 77% | 2.4 m/s | 4.4 |
| 1992 | 35.7°C | 19.3°C | 27.5°C | 128 mm | 72% | 1.6 m/s | 5 |
| 1991 | 32.8°C | 18.7°C | 25.8°C | 173 mm | 82% | 1.4 m/s | 5.1 |
| 1990 | 34.5°C | 21.7°C | 28.1°C | 168 mm | 85% | 1.9 m/s | 4.7 |
| 1989 | 37.2°C | 23.2°C | 30.2°C | 188 mm | 75% | 1.6 m/s | 4.9 |
| 1988 | 34.7°C | 21.6°C | 28.2°C | 44 mm | 82% | 1.8 m/s | 5.4 |
| 1987 🔥 | 40.7°C | 21.0°C | 30.8°C | 80 mm | 55% | 1.6 m/s | 5.4 |
| 1986 | 39.5°C | 21.0°C | 30.2°C | 66 mm | 57% | 2.1 m/s | 5.6 |
| 1985 🌧️ | 35.7°C | 20.4°C | 28.1°C | 363 mm | 83% | 2.3 m/s | 4.6 |
| 1984 | 32.5°C | 17.1°C | 24.8°C | 110 mm | 83% | 1.9 m/s | 5.7 |
| 1983 | 33.7°C | 22.7°C | 28.2°C | 262 mm | 84% | 1.9 m/s | — |
| 1982 | 33.4°C | 15.9°C | 24.6°C | 154 mm | 81% | 1.7 m/s | — |
| 1981 | 34.2°C | 21.5°C | 27.8°C | 154 mm | 80% | 1.6 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 34.9°C with lows near 20.7°C (mean 27.8°C), based on 45 years of NASA POWER data.
September averages 151 mm of rainfall in Hardoi, a relatively wet time of year. The wettest on record was 363 mm in 1985.
The hottest September reached 40.7°C in 1987. The coldest dipped to 15.1°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2°C. Daytime highs moved from 33.9°C to 34.9°C and overnight lows from 19.5°C to 22.5°C over the same span.
September is one of the warmer months of the year in Hardoi and a relatively wet time of year, so plan for around 34.9°C daytime highs and 20.7°C at night.
Not quite — September is the 7th coolest month in Hardoi, averaging 27.8°C.
For September in Hardoi, pack light, breathable clothing and sun protection, with typical highs of 34.9°C and lows of 20.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 78% — quite humid.
Average wind speed in September is 1.8 m/s. The windiest September on record averaged 2.4 m/s (1993).
The wettest September on record was 1985 with 363 mm. On average, September sees 151 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 Hardoi 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.
