September is one of the warmer months of the year in Hisar, with average highs near 39.7°C and lows around 21.4°C (mean 30.6°C). It is a relatively wet time of year, averaging 70 mm of rainfall and 54% relative humidity across the period.
September is one of the warmer months of the year in Hisar. Across 45 years of records, the warmest September in Hisar was 1999 — when the month averaged 34.2°C — while the coldest was 1994 at 26.7°C. Typical September days reach 39.7°C with nights near 21.4°C. The long-term trend is cooling, 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 | 31.1°C | 30.5°C | 31.4°C | 29.7°C | 29.9°C | -1.2°C |
| Avg High | 40.7°C | 39.6°C | 41.1°C | 38.7°C | 38.0°C | -2.7°C |
| Avg Low | 21.5°C | 21.4°C | 21.8°C | 20.8°C | 21.8°C | +0.3°C |
| Avg Rain | 50 mm | 70 mm | 61 mm | 80 mm | 100 mm | +50 mm |
September temperatures in Hisar have fallen by about 0.7°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.4°C (1994) to a record high of 44°C (2005).
Rainfall in September is a relatively wet time of year, averaging 70 mm, with a wettest year of 206 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0°C per decade, narrowing the gap between day and night.
A good time to visit Hisar
September is a good time to visit Hisar, with days averaging 39.7°C and nights around 21.4°C (mean 30.6°C, warmer than Hisar's yearly average) and moderate rainfall. November and March are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 37.0°C | 21.2°C | 29.1°C | 81 mm | 69% | 1.9 m/s | 5.3 |
| 2024 | 37.5°C | 23.1°C | 30.3°C | 112 mm | 71% | 1.5 m/s | 4.8 |
| 2023 | 40.8°C | 21.3°C | 31.1°C | 35 mm | 56% | 2.2 m/s | 5.3 |
| 2022 | 38.2°C | 21.7°C | 29.9°C | 135 mm | 64% | 1.9 m/s | 5.1 |
| 2021 | 34.8°C | 21.6°C | 28.2°C | 201 mm | 80% | 2.2 m/s | 4.5 |
| 2020 | 39.6°C | 21.9°C | 30.7°C | 36 mm | 56% | 1.4 m/s | 5.4 |
| 2019 | 41.9°C | 22.9°C | 32.4°C | 21 mm | 60% | 1.8 m/s | 5.1 |
| 2018 | 38.9°C | 20.6°C | 29.7°C | 120 mm | 59% | 2 m/s | 5 |
| 2017 | 40.2°C | 20.4°C | 30.3°C | 32 mm | 45% | 1.7 m/s | 5.5 |
| 2016 | 39.3°C | 22.8°C | 31.1°C | 8 mm | 51% | 1.6 m/s | 5.6 |
| 2015 | 40.4°C | 19.4°C | 29.9°C | 22 mm | 45% | 2 m/s | 5.6 |
| 2014 | 38.8°C | 21.1°C | 29.9°C | 88 mm | 58% | 2.2 m/s | 5.4 |
| 2013 | 39.2°C | 21.9°C | 30.5°C | 68 mm | 57% | 1.9 m/s | 5.6 |
| 2012 | 36.1°C | 19.6°C | 27.9°C | 83 mm | 64% | 2.1 m/s | 5.3 |
| 2011 🌧️ | 36.0°C | 20.2°C | 28.1°C | 206 mm | 72% | 1.9 m/s | 5 |
| 2010 | 36.2°C | 18.7°C | 27.5°C | 148 mm | 72% | 1.6 m/s | 4.9 |
| 2009 | 39.4°C | 21.4°C | 30.4°C | 137 mm | 55% | 1.7 m/s | 5.5 |
| 2008 | 40.2°C | 21.5°C | 30.9°C | 86 mm | 60% | 1.7 m/s | 5.6 |
| 2007 | 42.4°C | 21.9°C | 32.1°C | 65 mm | 51% | 1.5 m/s | 5.3 |
| 2006 | 40.1°C | 22.1°C | 31.1°C | 59 mm | 52% | 1.9 m/s | 5.6 |
| 2005 | 44.0°C | 20.6°C | 32.3°C | 131 mm | 58% | 2.2 m/s | 5.1 |
| 2004 | 42.3°C | 23.1°C | 32.7°C | 13 mm | 42% | 2 m/s | 5.6 |
| 2003 | 39.5°C | 21.9°C | 30.7°C | 45 mm | 58% | 1.5 m/s | 5.4 |
| 2002 | 39.8°C | 22.6°C | 31.2°C | 50 mm | 49% | 1.9 m/s | 5.4 |
| 2001 | 40.6°C | 21.2°C | 30.9°C | 16 mm | 40% | 1.9 m/s | 5.8 |
| 2000 | 42.9°C | 21.3°C | 32.1°C | 13 mm | 31% | 2.3 m/s | 5.9 |
| 1999 🔥 | 43.1°C | 25.4°C | 34.2°C | 10 mm | 38% | 2.2 m/s | 5.5 |
| 1998 | 42.2°C | 23.2°C | 32.7°C | 170 mm | 61% | 2 m/s | 4.8 |
| 1997 | 39.4°C | 21.0°C | 30.2°C | 9 mm | 55% | 2.1 m/s | 5.8 |
| 1996 | 40.4°C | 20.9°C | 30.6°C | 72 mm | 55% | 2 m/s | 5.4 |
| 1995 | 38.3°C | 20.2°C | 29.3°C | 89 mm | 61% | 1.7 m/s | 5.9 |
| 1994 ❄️ | 35.9°C | 17.4°C | 26.7°C | 51 mm | 61% | 2.1 m/s | 5.8 |
| 1993 | 39.7°C | 22.2°C | 30.9°C | 92 mm | 57% | 1.8 m/s | 5.2 |
| 1992 | 38.5°C | 19.7°C | 29.1°C | 47 mm | 56% | 2.2 m/s | 5.4 |
| 1991 | 39.0°C | 21.1°C | 30.1°C | 19 mm | 48% | 2 m/s | 6 |
| 1990 | 39.5°C | 22.9°C | 31.2°C | 135 mm | 62% | 2 m/s | 5.3 |
| 1989 | 42.2°C | 22.5°C | 32.3°C | 12 mm | 38% | 2.1 m/s | 5.7 |
| 1988 | 41.5°C | 20.2°C | 30.8°C | 153 mm | 60% | 2.4 m/s | 5.4 |
| 1987 | 42.6°C | 23.1°C | 32.8°C | 19 mm | 30% | 2.1 m/s | 6.1 |
| 1986 | 42.0°C | 21.3°C | 31.6°C | 45 mm | 37% | 2.3 m/s | 5.9 |
| 1985 | 39.5°C | 21.7°C | 30.6°C | 24 mm | 48% | 2.3 m/s | 5.9 |
| 1984 | 36.4°C | 20.1°C | 28.3°C | 82 mm | 62% | 1.7 m/s | 5.6 |
| 1983 | 40.1°C | 22.5°C | 31.3°C | 55 mm | 55% | 1.7 m/s | — |
| 1982 | 40.8°C | 19.7°C | 30.2°C | 4 mm | 37% | 2.4 m/s | — |
| 1981 | 40.8°C | 22.4°C | 31.6°C | 59 mm | 51% | 2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 39.7°C with lows near 21.4°C (mean 30.6°C), based on 45 years of NASA POWER data.
September averages 70 mm of rainfall in Hisar, a relatively wet time of year. The wettest on record was 206 mm in 2011.
The hottest September reached 44°C in 2005. The coldest dipped to 17.4°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.7°C. Daytime highs moved from 39.5°C to 37.7°C and overnight lows from 21.3°C to 21.8°C over the same span.
September is one of the warmer months of the year in Hisar and a relatively wet time of year, so plan for around 39.7°C daytime highs and 21.4°C at night.
Not quite — September is the 8th coolest month in Hisar, averaging 30.6°C.
For September in Hisar, pack light, breathable clothing and sun protection, with typical highs of 39.7°C and lows of 21.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 54% — relatively dry.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.4 m/s (1982).
The wettest September on record was 2011 with 206 mm. On average, September sees 70 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 Hisar 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.
