September is one of the warmer months of the year in Mahendragarh, with average highs near 37.8°C and lows around 20.5°C (mean 29.2°C). It is a relatively wet time of year, averaging 81 mm of rainfall and 63% relative humidity across the period.
September is one of the warmer months of the year in Mahendragarh. Across 45 years of records, the warmest September in Mahendragarh was 1999 — when the month averaged 33°C — while the coldest was 2010 at 25°C. Typical September days reach 37.8°C with nights near 20.5°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 | 29.5°C | 29.0°C | 30.3°C | 28.1°C | 28.8°C | -0.7°C |
| Avg High | 38.9°C | 37.6°C | 39.5°C | 36.3°C | 36.1°C | -2.8°C |
| Avg Low | 20.2°C | 20.4°C | 21.1°C | 19.9°C | 21.5°C | +1.3°C |
| Avg Rain | 53 mm | 98 mm | 68 mm | 81 mm | 117 mm | +65 mm |
September temperatures in Mahendragarh have stayed relatively stable across the record.
September has ranged from a record low of 16.6°C (1994) to a record high of 42.5°C (2005).
Rainfall in September is a relatively wet time of year, averaging 81 mm, with a wettest year of 217 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Mahendragarh
September is a good time to visit Mahendragarh, with days averaging 37.8°C and nights around 20.5°C (mean 29.2°C, warmer than Mahendragarh's yearly average) and higher rainfall. November and March are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 35.3°C | 20.9°C | 28.1°C | 101 mm | 76% | 2.1 m/s | 5 |
| 2024 | 34.3°C | 21.3°C | 27.8°C | 135 mm | 82% | 1.6 m/s | 4.4 |
| 2023 | 38.7°C | 21.7°C | 30.2°C | 52 mm | 64% | 2.2 m/s | 5.1 |
| 2022 | 38.0°C | 22.5°C | 30.2°C | 149 mm | 67% | 2 m/s | 4.7 |
| 2021 🌧️ | 32.7°C | 21.8°C | 27.2°C | 217 mm | 87% | 2.3 m/s | 4.2 |
| 2020 | 37.8°C | 21.0°C | 29.4°C | 51 mm | 64% | 1.5 m/s | 5.2 |
| 2019 | 38.0°C | 22.0°C | 30.0°C | 42 mm | 72% | 1.5 m/s | 4.7 |
| 2018 | 36.3°C | 19.8°C | 28.0°C | 122 mm | 70% | 2.3 m/s | 4.7 |
| 2017 | 38.4°C | 19.1°C | 28.8°C | 41 mm | 53% | 1.7 m/s | 5.1 |
| 2016 | 37.7°C | 21.7°C | 29.7°C | 16 mm | 61% | 1.7 m/s | 5.5 |
| 2015 | 39.0°C | 19.3°C | 29.1°C | 16 mm | 48% | 2.1 m/s | 5.8 |
| 2014 | 37.8°C | 21.0°C | 29.4°C | 67 mm | 61% | 2.4 m/s | 5.4 |
| 2013 | 36.3°C | 20.9°C | 28.6°C | 75 mm | 69% | 2 m/s | 5.4 |
| 2012 | 33.6°C | 18.3°C | 26.0°C | 75 mm | 75% | 2 m/s | 5.1 |
| 2011 | 33.3°C | 19.7°C | 26.5°C | 199 mm | 79% | 2.1 m/s | 5.2 |
| 2010 ❄️ | 32.4°C | 17.6°C | 25.0°C | 160 mm | 80% | 1.6 m/s | 4.5 |
| 2009 | 38.9°C | 20.9°C | 29.9°C | 119 mm | 59% | 2 m/s | 5.4 |
| 2008 | 38.8°C | 20.3°C | 29.5°C | 107 mm | 67% | 1.8 m/s | 5.3 |
| 2007 | 39.0°C | 21.8°C | 30.4°C | 71 mm | 60% | 1.6 m/s | 5.1 |
| 2006 | 38.8°C | 21.3°C | 30.0°C | 68 mm | 59% | 2 m/s | 5.6 |
| 2005 | 42.5°C | 20.1°C | 31.3°C | 134 mm | 62% | 2.6 m/s | 4.9 |
| 2004 | 38.9°C | 21.3°C | 30.1°C | 19 mm | 57% | 1.9 m/s | 5.7 |
| 2003 | 37.6°C | 20.5°C | 29.1°C | 58 mm | 67% | 1.6 m/s | 4.8 |
| 2002 | 38.7°C | 21.0°C | 29.9°C | 71 mm | 54% | 1.9 m/s | 5.1 |
| 2001 | 40.0°C | 21.6°C | 30.8°C | 19 mm | 42% | 2 m/s | 5.8 |
| 2000 | 41.3°C | 21.7°C | 31.5°C | 16 mm | 38% | 2.2 m/s | 5.5 |
| 1999 🔥 | 42.2°C | 23.8°C | 33.0°C | 37 mm | 47% | 2.1 m/s | 5 |
| 1998 | 40.1°C | 22.7°C | 31.4°C | 173 mm | 68% | 2 m/s | 5 |
| 1997 | 38.8°C | 21.2°C | 30.0°C | 34 mm | 60% | 2.2 m/s | 5.3 |
| 1996 | 37.3°C | 19.3°C | 28.3°C | 130 mm | 69% | 2 m/s | 5.2 |
| 1995 | 36.1°C | 18.4°C | 27.3°C | 98 mm | 70% | 1.7 m/s | 5.6 |
| 1994 | 34.0°C | 16.6°C | 25.3°C | 59 mm | 70% | 2.2 m/s | 5.9 |
| 1993 | 38.7°C | 21.4°C | 30.1°C | 122 mm | 66% | 1.8 m/s | 5.1 |
| 1992 | 36.1°C | 18.7°C | 27.4°C | 96 mm | 66% | 2.4 m/s | 5.4 |
| 1991 | 36.6°C | 19.8°C | 28.2°C | 79 mm | 61% | 2.2 m/s | 5.7 |
| 1990 | 35.9°C | 21.9°C | 28.9°C | 155 mm | 73% | 2 m/s | 5 |
| 1989 | 39.4°C | 20.1°C | 29.7°C | 34 mm | 51% | 2.2 m/s | 5.5 |
| 1988 | 39.3°C | 19.0°C | 29.2°C | 108 mm | 65% | 2.5 m/s | 5.5 |
| 1987 | 41.6°C | 21.9°C | 31.7°C | 22 mm | 38% | 2.2 m/s | 5.9 |
| 1986 | 40.8°C | 20.9°C | 30.8°C | 41 mm | 42% | 2.3 m/s | 5.7 |
| 1985 | 38.6°C | 19.9°C | 29.2°C | 28 mm | 57% | 2.3 m/s | 5.8 |
| 1984 | 35.4°C | 19.4°C | 27.4°C | 100 mm | 66% | 1.8 m/s | 5.7 |
| 1983 | 37.6°C | 21.0°C | 29.3°C | 79 mm | 67% | 1.8 m/s | — |
| 1982 | 38.2°C | 17.7°C | 28.0°C | 4 mm | 50% | 2.4 m/s | — |
| 1981 | 39.3°C | 21.9°C | 30.6°C | 59 mm | 56% | 2.1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 37.8°C with lows near 20.5°C (mean 29.2°C), based on 45 years of NASA POWER data.
September averages 81 mm of rainfall in Mahendragarh, a relatively wet time of year. The wettest on record was 217 mm in 2021.
The hottest September reached 42.5°C in 2005. The coldest dipped to 16.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have fallen by about 0.2°C. Daytime highs moved from 37.8°C to 35.8°C and overnight lows from 20°C to 21.6°C over the same span.
September is one of the warmer months of the year in Mahendragarh and a relatively wet time of year, so plan for around 37.8°C daytime highs and 20.5°C at night.
Not quite — September is the 7th coolest month in Mahendragarh, averaging 29.2°C.
For September in Mahendragarh, pack light, breathable clothing and sun protection, with typical highs of 37.8°C and lows of 20.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 63% — moderately humid.
Average wind speed in September is 2 m/s. The windiest September on record averaged 2.6 m/s (2005).
The wettest September on record was 2021 with 217 mm. On average, September sees 81 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 Mahendragarh 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.
