September is one of the warmer months of the year in Mahendragarh, with average highs near 34.9°C and lows around 23.5°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 Septembers in Mahendragarh were 1999 and 2000 — when the month averaged 32.3°C — while the coldest was 2010 at 26.6°C. Typical September days reach 34.9°C with nights near 23.5°C. The long-term trend is cooling, about 0.2°C per decade.
September is a relatively wet time of year in Mahendragarh, averaging 81 mm of rainfall. The wettest September on record was 2021 with 217 mm, while the driest was 1982 at 4 mm.
Relative humidity in Mahendragarh during September averages 63%. The most humid September was 2021 at 87%, and the least humid was 2000 at 38%.
September receives about 5.2 kWh/m²/day of solar energy in Mahendragarh. The sunniest Septembers were 1987 and 1994 at 5.9 kWh/m²/day, and the cloudiest was 2021 at 4.2.
Average wind speed in Mahendragarh during September is 2 m/s. The windiest September was 2005 at 2.6 m/s, while the calmest were 2019 and 2020 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 29.9°C | 28.7°C | 30.0°C | 28.4°C | 28.9°C | -1°C |
| Avg High | 36.3°C | 34.3°C | 36.1°C | 33.7°C | 33.5°C | -2.8°C |
| Avg Low | 23.5°C | 23.2°C | 23.9°C | 23.0°C | 24.2°C | +0.7°C |
| Avg Rain | 53 mm | 98 mm | 68 mm | 81 mm | 117 mm | +65 mm |
September temperatures in Mahendragarh have fallen by about 0.5°C between 1981–1985 and 2021–2025.
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 0.1°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 34.9°C and nights around 23.5°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 | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.7°C | 28.0°C | 23.3°C | 35.3°C | 20.9°C | 101 mm | 76% | 2.1 m/s | 5 |
| 2024 | 31.5°C | 27.9°C | 24.2°C | 34.3°C | 21.3°C | 135 mm | 82% | 1.6 m/s | 4.4 |
| 2023 | 36.2°C | 30.4°C | 24.6°C | 38.7°C | 21.7°C | 52 mm | 64% | 2.2 m/s | 5.1 |
| 2022 | 35.3°C | 30.0°C | 24.7°C | 38.0°C | 22.5°C | 149 mm | 67% | 2 m/s | 4.7 |
| 2021 🌧️ | 30.5°C | 27.2°C | 23.9°C | 32.7°C | 21.8°C | 217 mm | 87% | 2.3 m/s | 4.2 |
| 2020 | 35.0°C | 29.7°C | 24.5°C | 37.8°C | 21.0°C | 51 mm | 64% | 1.5 m/s | 5.2 |
| 2019 | 34.2°C | 29.5°C | 24.8°C | 38.0°C | 22.0°C | 42 mm | 72% | 1.5 m/s | 4.7 |
| 2018 | 32.7°C | 27.6°C | 22.4°C | 36.3°C | 19.8°C | 122 mm | 70% | 2.3 m/s | 4.7 |
| 2017 | 36.5°C | 29.9°C | 23.4°C | 38.4°C | 19.1°C | 41 mm | 53% | 1.7 m/s | 5.1 |
| 2016 | 35.1°C | 29.0°C | 22.8°C | 37.7°C | 21.7°C | 16 mm | 61% | 1.7 m/s | 5.5 |
| 2015 | 36.8°C | 29.8°C | 22.9°C | 39.0°C | 19.3°C | 16 mm | 48% | 2.1 m/s | 5.8 |
| 2014 | 35.2°C | 29.0°C | 22.8°C | 37.8°C | 21.0°C | 67 mm | 61% | 2.4 m/s | 5.4 |
| 2013 | 33.5°C | 28.1°C | 22.7°C | 36.3°C | 20.9°C | 75 mm | 69% | 2 m/s | 5.4 |
| 2012 | 31.6°C | 26.9°C | 22.2°C | 33.6°C | 18.3°C | 75 mm | 75% | 2 m/s | 5.1 |
| 2011 | 31.3°C | 27.2°C | 23.1°C | 33.3°C | 19.7°C | 199 mm | 79% | 2.1 m/s | 5.2 |
| 2010 ❄️ | 30.4°C | 26.6°C | 22.8°C | 32.4°C | 17.6°C | 160 mm | 80% | 1.6 m/s | 4.5 |
| 2009 | 35.8°C | 29.4°C | 23.1°C | 38.9°C | 20.9°C | 119 mm | 59% | 2 m/s | 5.4 |
| 2008 | 34.3°C | 28.8°C | 23.3°C | 38.8°C | 20.3°C | 107 mm | 67% | 1.8 m/s | 5.3 |
| 2007 | 35.6°C | 30.1°C | 24.6°C | 39.0°C | 21.8°C | 71 mm | 60% | 1.6 m/s | 5.1 |
| 2006 | 36.0°C | 30.0°C | 23.9°C | 38.8°C | 21.3°C | 68 mm | 59% | 2 m/s | 5.6 |
| 2005 | 35.1°C | 29.7°C | 24.2°C | 42.5°C | 20.1°C | 134 mm | 62% | 2.6 m/s | 4.9 |
| 2004 | 36.1°C | 29.6°C | 23.2°C | 38.9°C | 21.3°C | 19 mm | 57% | 1.9 m/s | 5.7 |
| 2003 | 34.3°C | 29.0°C | 23.7°C | 37.6°C | 20.5°C | 58 mm | 67% | 1.6 m/s | 4.8 |
| 2002 | 36.5°C | 29.9°C | 23.2°C | 38.7°C | 21.0°C | 71 mm | 54% | 1.9 m/s | 5.1 |
| 2001 | 38.3°C | 31.2°C | 24.1°C | 40.0°C | 21.6°C | 19 mm | 42% | 2 m/s | 5.8 |
| 2000 | 39.3°C | 32.3°C | 25.3°C | 41.3°C | 21.7°C | 16 mm | 38% | 2.2 m/s | 5.5 |
| 1999 🔥 | 38.4°C | 32.3°C | 26.2°C | 42.2°C | 23.8°C | 37 mm | 47% | 2.1 m/s | 5 |
| 1998 | 34.6°C | 29.6°C | 24.5°C | 40.1°C | 22.7°C | 173 mm | 68% | 2 m/s | 5 |
| 1997 | 35.7°C | 29.5°C | 23.3°C | 38.8°C | 21.2°C | 34 mm | 60% | 2.2 m/s | 5.3 |
| 1996 | 33.5°C | 27.9°C | 22.4°C | 37.3°C | 19.3°C | 130 mm | 69% | 2 m/s | 5.2 |
| 1995 | 32.6°C | 27.2°C | 21.8°C | 36.1°C | 18.4°C | 98 mm | 70% | 1.7 m/s | 5.6 |
| 1994 | 32.0°C | 26.7°C | 21.5°C | 34.0°C | 16.6°C | 59 mm | 70% | 2.2 m/s | 5.9 |
| 1993 | 34.7°C | 29.2°C | 23.6°C | 38.7°C | 21.4°C | 122 mm | 66% | 1.8 m/s | 5.1 |
| 1992 | 33.4°C | 27.7°C | 22.1°C | 36.1°C | 18.7°C | 96 mm | 66% | 2.4 m/s | 5.4 |
| 1991 | 34.4°C | 28.4°C | 22.4°C | 36.6°C | 19.8°C | 79 mm | 61% | 2.2 m/s | 5.7 |
| 1990 | 33.2°C | 28.5°C | 23.8°C | 35.9°C | 21.9°C | 155 mm | 73% | 2 m/s | 5 |
| 1989 | 36.9°C | 30.1°C | 23.3°C | 39.4°C | 20.1°C | 34 mm | 51% | 2.2 m/s | 5.5 |
| 1988 | 35.5°C | 29.7°C | 23.9°C | 39.3°C | 19.0°C | 108 mm | 65% | 2.5 m/s | 5.5 |
| 1987 | 39.8°C | 32.2°C | 24.6°C | 41.6°C | 21.9°C | 22 mm | 38% | 2.2 m/s | 5.9 |
| 1986 | 37.8°C | 30.9°C | 24.0°C | 40.8°C | 20.9°C | 41 mm | 42% | 2.3 m/s | 5.7 |
| 1985 | 35.8°C | 29.3°C | 22.9°C | 38.6°C | 19.9°C | 28 mm | 57% | 2.3 m/s | 5.8 |
| 1984 | 32.8°C | 27.6°C | 22.5°C | 35.4°C | 19.4°C | 100 mm | 66% | 1.8 m/s | 5.7 |
| 1983 | 34.8°C | 29.5°C | 24.2°C | 37.6°C | 21.0°C | 79 mm | 67% | 1.8 m/s | — |
| 1982 | 36.8°C | 29.3°C | 21.9°C | 38.2°C | 17.7°C | 4 mm | 50% | 2.4 m/s | — |
| 1981 | 36.8°C | 30.4°C | 23.9°C | 39.3°C | 21.9°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 34.9°C with lows near 23.5°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 0.5°C — but days and nights have moved in opposite directions. Overnight lows rose from 23.1°C to 24.1°C while daytime highs eased from 35.4°C to 33.2°C, narrowing the gap between day and night.
September is one of the warmer months of the year in Mahendragarh and a relatively wet time of year, so plan for around 34.9°C daytime highs and 23.5°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 34.9°C and lows of 23.5°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.
