September is close to Dharmapuri's year-round average, with average highs near 34.1°C and lows around 19.5°C (mean 26.8°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 2015 — when the month averaged 28.6°C — while the coldest was 1983 at 24.6°C. Typical September days reach 34.1°C with nights near 19.5°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 | 26.6°C | 26.9°C | 27.1°C | 26.8°C | 26.5°C | -0.1°C |
| Avg High | 34.2°C | 34.2°C | 34.3°C | 34.2°C | 33.3°C | -0.9°C |
| Avg Low | 19.0°C | 19.5°C | 19.8°C | 19.5°C | 19.8°C | +0.8°C |
| Avg Rain | 155 mm | 132 mm | 126 mm | 136 mm | 123 mm | -32 mm |
September temperatures in Dharmapuri have risen by about 0.4°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.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
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 34.1°C and nights around 19.5°C (mean 26.8°C) and higher rainfall (135 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 35.2°C | 20.4°C | 27.8°C | 131 mm | 75% | 1.8 m/s | 5.1 |
| 2024 | 34.9°C | 20.7°C | 27.8°C | 28 mm | 74% | 2.2 m/s | 5.4 |
| 2023 | 34.0°C | 20.3°C | 27.1°C | 148 mm | 77% | 2.1 m/s | 5.4 |
| 2022 | 30.9°C | 19.1°C | 25.0°C | 108 mm | 83% | 1.6 m/s | 5.1 |
| 2021 | 32.6°C | 19.8°C | 26.2°C | 145 mm | 78% | 1.9 m/s | 5.2 |
| 2020 | 31.9°C | 18.5°C | 25.2°C | 175 mm | 83% | 2 m/s | 4.7 |
| 2019 | 33.0°C | 20.4°C | 26.7°C | 197 mm | 81% | 2 m/s | 5 |
| 2018 | 36.9°C | 19.1°C | 28.0°C | 116 mm | 68% | 1.6 m/s | 5.6 |
| 2017 | 31.5°C | 18.7°C | 25.1°C | 239 mm | 83% | 1.5 m/s | 5.1 |
| 2016 | 36.1°C | 20.0°C | 28.1°C | 22 mm | 66% | 2.3 m/s | 4.9 |
| 2015 🔥 | 36.7°C | 20.6°C | 28.6°C | 95 mm | 68% | 1.9 m/s | 5.5 |
| 2014 | 35.4°C | 19.8°C | 27.6°C | 133 mm | 72% | 2.1 m/s | 5.3 |
| 2013 | 31.3°C | 18.4°C | 24.8°C | 201 mm | 82% | 1.8 m/s | 5.3 |
| 2012 | 34.6°C | 19.5°C | 27.0°C | 132 mm | 73% | 2 m/s | 5.3 |
| 2011 | 34.6°C | 19.3°C | 26.9°C | 122 mm | 73% | 2.1 m/s | 5.6 |
| 2010 | 31.7°C | 19.5°C | 25.6°C | 105 mm | 80% | 1.8 m/s | 5.1 |
| 2009 | 35.3°C | 19.9°C | 27.6°C | 153 mm | 75% | 2.1 m/s | 5.3 |
| 2008 | 32.6°C | 19.1°C | 25.9°C | 61 mm | 79% | 1.8 m/s | 5.6 |
| 2007 | 31.0°C | 19.1°C | 25.0°C | 119 mm | 81% | 2 m/s | 5.3 |
| 2006 | 34.5°C | 20.0°C | 27.3°C | 73 mm | 74% | 2.2 m/s | 5.3 |
| 2005 | 34.0°C | 20.0°C | 27.0°C | 126 mm | 77% | 2.1 m/s | 5.3 |
| 2004 🌧️ | 34.4°C | 19.8°C | 27.1°C | 253 mm | 82% | 1.6 m/s | 4.8 |
| 2003 | 35.5°C | 20.0°C | 27.7°C | 81 mm | 71% | 2.1 m/s | 5.9 |
| 2002 | 37.5°C | 19.2°C | 28.3°C | 75 mm | 64% | 2 m/s | 5.9 |
| 2001 | 34.7°C | 20.2°C | 27.4°C | 159 mm | 77% | 1.6 m/s | 5.5 |
| 2000 | 33.9°C | 20.5°C | 27.2°C | 156 mm | 78% | 1.7 m/s | 5.4 |
| 1999 | 36.0°C | 19.8°C | 27.9°C | 103 mm | 68% | 2 m/s | 5.6 |
| 1998 | 31.9°C | 19.5°C | 25.7°C | 153 mm | 83% | 2 m/s | 5.2 |
| 1997 | 35.8°C | 19.3°C | 27.6°C | 131 mm | 76% | 1.7 m/s | 5 |
| 1996 | 31.1°C | 19.4°C | 25.2°C | 174 mm | 84% | 1.9 m/s | 4.6 |
| 1995 | 34.1°C | 20.2°C | 27.2°C | 115 mm | 75% | 2.2 m/s | 4.8 |
| 1994 | 36.7°C | 17.8°C | 27.3°C | 70 mm | 65% | 2.3 m/s | 5.3 |
| 1993 | 33.0°C | 19.3°C | 26.1°C | 113 mm | 74% | 1.8 m/s | 5 |
| 1992 | 34.5°C | 19.9°C | 27.2°C | 169 mm | 74% | 1.8 m/s | 4.6 |
| 1991 | 34.0°C | 19.3°C | 26.7°C | 151 mm | 76% | 1.7 m/s | 5.2 |
| 1990 | 35.3°C | 20.4°C | 27.8°C | 138 mm | 72% | 1.9 m/s | 5 |
| 1989 | 35.3°C | 18.8°C | 27.0°C | 145 mm | 75% | 1.8 m/s | 5 |
| 1988 | 31.3°C | 18.5°C | 24.9°C | 190 mm | 84% | 1.9 m/s | 5 |
| 1987 | 36.2°C | 20.8°C | 28.5°C | 88 mm | 71% | 1.7 m/s | 5 |
| 1986 | 35.3°C | 19.2°C | 27.2°C | 179 mm | 73% | 1.7 m/s | 5.5 |
| 1985 | 35.2°C | 19.5°C | 27.3°C | 129 mm | 74% | 1.7 m/s | 5.2 |
| 1984 | 35.4°C | 18.5°C | 26.9°C | 126 mm | 70% | 1.9 m/s | 5.2 |
| 1983 ❄️ | 31.6°C | 17.6°C | 24.6°C | 229 mm | 82% | 2.2 m/s | — |
| 1982 | 36.9°C | 19.0°C | 28.0°C | 95 mm | 68% | 2.1 m/s | — |
| 1981 | 30.8°C | 19.3°C | 25.0°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 34.1°C with lows near 19.5°C (mean 26.8°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 0.4°C. Daytime highs moved from 34°C to 33.5°C and overnight lows from 18.8°C to 20.1°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 34.1°C daytime highs and 19.5°C at night.
Not quite — September is the 6th coolest month in Dharmapuri, averaging 26.8°C.
For September in Dharmapuri, pack light, breathable clothing and sun protection, with typical highs of 34.1°C and lows of 19.5°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.
