September is close to Dharmapuri's year-round average, with average highs near 31°C and lows around 21.3°C (mean 26.2°C). It is a relatively wet time of year, averaging 135 mm of rainfall and 76% relative humidity across the period.
September is close to Dharmapuri's year-round average. Across 45 years of records, the warmest September in Dharmapuri was 2002 — when the month averaged 28°C — while the coldest were 1981 and 1983 at 24.7°C. Typical September days reach 31°C with nights near 21.3°C. The long-term September temperature trend is broadly flat.
September is a relatively wet time of year in Dharmapuri, averaging 135 mm of rainfall. The wettest September on record was 2004 with 253 mm, while the driest was 2016 at 22 mm.
Relative humidity in Dharmapuri during September averages 76%. The most humid September was 1981 at 85%, and the least humid was 2002 at 64%.
September receives about 5.2 kWh/m²/day of solar energy in Dharmapuri. The sunniest Septembers were 2002 and 2003 at 5.9 kWh/m²/day, and the cloudiest were 1992 and 1996 at 4.6.
Average wind speed in Dharmapuri during September is 1.9 m/s. The windiest Septembers were 1994 and 2016 at 2.3 m/s, while the calmest was 2017 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.9°C | 26.2°C | 26.2°C | 26.5°C | 26.1°C | +0.2°C |
| Avg High | 30.7°C | 31.1°C | 31.0°C | 31.5°C | 30.7°C | 0°C |
| Avg Low | 21.1°C | 21.2°C | 21.4°C | 21.4°C | 21.5°C | +0.4°C |
| Avg Rain | 155 mm | 132 mm | 126 mm | 136 mm | 123 mm | -32 mm |
September temperatures in Dharmapuri have risen by about 0.6°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 17.6°C (1983) to a record high of 37.5°C (2002).
Rainfall in September is a relatively wet time of year, averaging 135 mm, with a wettest year of 253 mm.
A quieter season to visit Dharmapuri
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Dharmapuri. That said, September — with days averaging 31°C and nights around 21.3°C (mean 26.2°C) and higher rainfall (135 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.6°C | 26.9°C | 22.1°C | 35.2°C | 20.4°C | 131 mm | 75% | 1.8 m/s | 5.1 |
| 2024 | 32.4°C | 27.1°C | 21.8°C | 34.9°C | 20.7°C | 28 mm | 74% | 2.2 m/s | 5.4 |
| 2023 | 31.3°C | 26.5°C | 21.8°C | 34.0°C | 20.3°C | 148 mm | 77% | 2.1 m/s | 5.4 |
| 2022 | 29.3°C | 25.2°C | 21.0°C | 30.9°C | 19.1°C | 108 mm | 83% | 1.6 m/s | 5.1 |
| 2021 | 30.6°C | 26.0°C | 21.3°C | 32.6°C | 19.8°C | 145 mm | 78% | 1.9 m/s | 5.2 |
| 2020 | 29.1°C | 25.1°C | 21.1°C | 31.9°C | 18.5°C | 175 mm | 83% | 2 m/s | 4.7 |
| 2019 | 30.0°C | 25.7°C | 21.5°C | 33.0°C | 20.4°C | 197 mm | 81% | 2 m/s | 5 |
| 2018 | 33.7°C | 27.9°C | 22.0°C | 36.9°C | 19.1°C | 116 mm | 68% | 1.6 m/s | 5.6 |
| 2017 | 29.1°C | 25.3°C | 21.6°C | 31.5°C | 18.7°C | 239 mm | 83% | 1.5 m/s | 5.1 |
| 2016 | 33.2°C | 27.3°C | 21.3°C | 36.1°C | 20.0°C | 22 mm | 66% | 2.3 m/s | 4.9 |
| 2015 | 33.3°C | 27.8°C | 22.2°C | 36.7°C | 20.6°C | 95 mm | 68% | 1.9 m/s | 5.5 |
| 2014 | 32.4°C | 27.0°C | 21.6°C | 35.4°C | 19.8°C | 133 mm | 72% | 2.1 m/s | 5.3 |
| 2013 | 29.3°C | 25.1°C | 20.9°C | 31.3°C | 18.4°C | 201 mm | 82% | 1.8 m/s | 5.3 |
| 2012 | 31.8°C | 26.5°C | 21.2°C | 34.6°C | 19.5°C | 132 mm | 73% | 2 m/s | 5.3 |
| 2011 | 32.3°C | 26.7°C | 21.1°C | 34.6°C | 19.3°C | 122 mm | 73% | 2.1 m/s | 5.6 |
| 2010 | 30.0°C | 25.4°C | 20.8°C | 31.7°C | 19.5°C | 105 mm | 80% | 1.8 m/s | 5.1 |
| 2009 | 31.6°C | 26.7°C | 21.7°C | 35.3°C | 19.9°C | 153 mm | 75% | 2.1 m/s | 5.3 |
| 2008 | 30.1°C | 25.3°C | 20.6°C | 32.6°C | 19.1°C | 61 mm | 79% | 1.8 m/s | 5.6 |
| 2007 | 29.7°C | 25.3°C | 21.0°C | 31.0°C | 19.1°C | 119 mm | 81% | 2 m/s | 5.3 |
| 2006 | 31.7°C | 26.6°C | 21.5°C | 34.5°C | 20.0°C | 73 mm | 74% | 2.2 m/s | 5.3 |
| 2005 | 30.9°C | 26.2°C | 21.6°C | 34.0°C | 20.0°C | 126 mm | 77% | 2.1 m/s | 5.3 |
| 2004 🌧️ | 28.9°C | 25.1°C | 21.3°C | 34.4°C | 19.8°C | 253 mm | 82% | 1.6 m/s | 4.8 |
| 2003 | 32.7°C | 27.1°C | 21.5°C | 35.5°C | 20.0°C | 81 mm | 71% | 2.1 m/s | 5.9 |
| 2002 🔥 | 34.0°C | 28.0°C | 21.9°C | 37.5°C | 19.2°C | 75 mm | 64% | 2 m/s | 5.9 |
| 2001 | 30.1°C | 25.9°C | 21.6°C | 34.7°C | 20.2°C | 159 mm | 77% | 1.6 m/s | 5.5 |
| 2000 | 30.5°C | 26.1°C | 21.6°C | 33.9°C | 20.5°C | 156 mm | 78% | 1.7 m/s | 5.4 |
| 1999 | 33.0°C | 27.3°C | 21.5°C | 36.0°C | 19.8°C | 103 mm | 68% | 2 m/s | 5.6 |
| 1998 | 29.5°C | 25.3°C | 21.2°C | 31.9°C | 19.5°C | 153 mm | 83% | 2 m/s | 5.2 |
| 1997 | 31.1°C | 26.4°C | 21.6°C | 35.8°C | 19.3°C | 131 mm | 76% | 1.7 m/s | 5 |
| 1996 | 28.8°C | 24.8°C | 20.8°C | 31.1°C | 19.4°C | 174 mm | 84% | 1.9 m/s | 4.6 |
| 1995 | 31.1°C | 26.2°C | 21.2°C | 34.1°C | 20.2°C | 115 mm | 75% | 2.2 m/s | 4.8 |
| 1994 | 33.4°C | 27.3°C | 21.3°C | 36.7°C | 17.8°C | 70 mm | 65% | 2.3 m/s | 5.3 |
| 1993 | 30.9°C | 25.9°C | 20.9°C | 33.0°C | 19.3°C | 113 mm | 74% | 1.8 m/s | 5 |
| 1992 | 31.1°C | 26.2°C | 21.3°C | 34.5°C | 19.9°C | 169 mm | 74% | 1.8 m/s | 4.6 |
| 1991 | 30.5°C | 25.9°C | 21.3°C | 34.0°C | 19.3°C | 151 mm | 76% | 1.7 m/s | 5.2 |
| 1990 | 31.7°C | 26.5°C | 21.3°C | 35.3°C | 20.4°C | 138 mm | 72% | 1.9 m/s | 5 |
| 1989 | 30.4°C | 25.7°C | 21.1°C | 35.3°C | 18.8°C | 145 mm | 75% | 1.8 m/s | 5 |
| 1988 | 29.0°C | 24.9°C | 20.9°C | 31.3°C | 18.5°C | 190 mm | 84% | 1.9 m/s | 5 |
| 1987 | 32.4°C | 27.2°C | 22.0°C | 36.2°C | 20.8°C | 88 mm | 71% | 1.7 m/s | 5 |
| 1986 | 31.2°C | 26.2°C | 21.2°C | 35.3°C | 19.2°C | 179 mm | 73% | 1.7 m/s | 5.5 |
| 1985 | 31.0°C | 26.0°C | 20.9°C | 35.2°C | 19.5°C | 129 mm | 74% | 1.7 m/s | 5.2 |
| 1984 | 32.1°C | 26.6°C | 21.1°C | 35.4°C | 18.5°C | 126 mm | 70% | 1.9 m/s | 5.2 |
| 1983 | 29.2°C | 24.7°C | 20.3°C | 31.6°C | 17.6°C | 229 mm | 82% | 2.2 m/s | — |
| 1982 | 32.4°C | 26.7°C | 21.0°C | 36.9°C | 19.0°C | 95 mm | 68% | 2.1 m/s | — |
| 1981 ❄️ | 28.5°C | 24.7°C | 21.0°C | 30.8°C | 19.3°C | 215 mm | 85% | 1.6 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 31°C with lows near 21.3°C (mean 26.2°C), based on 45 years of NASA POWER data.
September averages 135 mm of rainfall in Dharmapuri, a relatively wet time of year. The wettest on record was 253 mm in 2004.
The hottest September reached 37.5°C in 2002. The coldest dipped to 17.6°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 0.6°C. Daytime highs moved from 30.6°C to 31°C and overnight lows from 20.9°C to 21.6°C over the same span.
September is close to Dharmapuri's year-round average and a relatively wet time of year, so plan for around 31°C daytime highs and 21.3°C at night.
Not quite — September is the 6th coolest month in Dharmapuri, averaging 26.2°C.
For September in Dharmapuri, pack light, breathable clothing and sun protection, with typical highs of 31°C and lows of 21.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 76% — quite humid.
Average wind speed in September is 1.9 m/s. The windiest September on record averaged 2.3 m/s (1994).
The wettest September on record was 2004 with 253 mm. On average, September sees 135 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 Dharmapuri 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.
