September is one of the warmer months of the year in Virudhunagar, with average highs near 36.5°C and lows around 22°C (mean 29.3°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 74% relative humidity across the period.
September is one of the warmer months of the year in Virudhunagar. Across 45 years of records, the warmest Septembers in Virudhunagar were 2012, 2016 and 2024, among others — when the month averaged 31.3°C — while the coldest was 1983 at 26.7°C. Typical September days reach 36.5°C with nights near 22°C. The long-term trend is warming, about 0.6°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.2°C | 28.6°C | 29.3°C | 30.4°C | 30.0°C | +1.8°C |
| Avg High | 35.3°C | 35.6°C | 36.4°C | 38.2°C | 37.2°C | +1.9°C |
| Avg Low | 21.2°C | 21.6°C | 22.1°C | 22.5°C | 22.8°C | +1.6°C |
| Avg Rain | 199 mm | 130 mm | 145 mm | 91 mm | 87 mm | -112 mm |
September temperatures in Virudhunagar have risen by about 2.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 19.9°C (1982) to a record high of 40.4°C (2016).
Rainfall in September is a relatively wet time of year, averaging 132 mm, with a wettest year of 395 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.7°C per decade while lows rose 0.4°C per decade, widening the gap between day and night.
A good time to visit Virudhunagar
September is a good time to visit Virudhunagar, with days averaging 36.5°C and nights around 22°C (mean 29.3°C, close to Virudhunagar's yearly average) and higher rainfall. January and December are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 38.4°C | 23.5°C | 30.9°C | 80 mm | 69% | 2.3 m/s | 4.9 |
| 2024 | 39.2°C | 23.4°C | 31.3°C | 29 mm | 67% | 2.8 m/s | 5.5 |
| 2023 | 36.8°C | 22.8°C | 29.8°C | 104 mm | 72% | 2.9 m/s | 4.6 |
| 2022 | 36.2°C | 22.1°C | 29.2°C | 65 mm | 74% | 2.2 m/s | 5.6 |
| 2021 | 36.7°C | 22.4°C | 29.6°C | 154 mm | 73% | 2.3 m/s | 4.7 |
| 2020 | 35.9°C | 22.4°C | 29.2°C | 91 mm | 75% | 2.9 m/s | 4.3 |
| 2019 | 38.1°C | 22.6°C | 30.4°C | 150 mm | 74% | 2.5 m/s | 4.9 |
| 2018 | 38.6°C | 22.4°C | 30.5°C | 77 mm | 66% | 2 m/s | 5.8 |
| 2017 | 34.3°C | 22.2°C | 28.3°C | 158 mm | 81% | 2.3 m/s | 4.9 |
| 2016 | 40.4°C | 22.1°C | 31.3°C | 23 mm | 61% | 2.5 m/s | 5.6 |
| 2015 | 39.0°C | 23.0°C | 31.0°C | 145 mm | 70% | 2.7 m/s | 5.3 |
| 2014 | 38.3°C | 22.8°C | 30.5°C | 85 mm | 70% | 2.5 m/s | 5.3 |
| 2013 | 38.1°C | 22.5°C | 30.3°C | 36 mm | 71% | 3 m/s | 5 |
| 2012 | 39.2°C | 23.3°C | 31.3°C | 44 mm | 61% | 2.9 m/s | 5.5 |
| 2011 | 38.6°C | 22.1°C | 30.3°C | 70 mm | 64% | 2.9 m/s | 5.4 |
| 2010 | 37.1°C | 22.3°C | 29.7°C | 120 mm | 68% | 2.4 m/s | 5 |
| 2009 | 39.5°C | 23.1°C | 31.3°C | 47 mm | 66% | 3 m/s | 5 |
| 2008 | 36.8°C | 21.1°C | 29.0°C | 51 mm | 74% | 2.6 m/s | 5.7 |
| 2007 | 35.1°C | 22.5°C | 28.8°C | 87 mm | 77% | 2.9 m/s | 4.6 |
| 2006 | 33.4°C | 21.2°C | 27.3°C | 246 mm | 84% | 2.6 m/s | 5 |
| 2005 | 35.7°C | 22.1°C | 28.9°C | 150 mm | 79% | 2.7 m/s | 5.2 |
| 2004 | 35.7°C | 22.2°C | 29.0°C | 317 mm | 82% | 2.1 m/s | 4.9 |
| 2003 | 36.7°C | 22.2°C | 29.4°C | 74 mm | 72% | 2.4 m/s | 6 |
| 2002 🔥 | 40.2°C | 22.4°C | 31.3°C | 33 mm | 61% | 2.7 m/s | 6.1 |
| 2001 | 36.0°C | 22.3°C | 29.1°C | 278 mm | 79% | 2.4 m/s | 5.5 |
| 2000 | 34.6°C | 22.3°C | 28.4°C | 164 mm | 81% | 2.1 m/s | 5.3 |
| 1999 | 37.3°C | 22.0°C | 29.7°C | 43 mm | 69% | 2.6 m/s | 5.7 |
| 1998 | 33.0°C | 22.2°C | 27.6°C | 258 mm | 86% | 2.7 m/s | 5.2 |
| 1997 | 35.1°C | 21.2°C | 28.2°C | 196 mm | 81% | 2.6 m/s | 5.2 |
| 1996 | 32.7°C | 21.6°C | 27.1°C | 121 mm | 82% | 2.4 m/s | 4.2 |
| 1995 | 38.1°C | 22.4°C | 30.3°C | 47 mm | 68% | 2.8 m/s | 4.9 |
| 1994 | 36.3°C | 20.5°C | 28.4°C | 120 mm | 77% | 2.2 m/s | 5.1 |
| 1993 | 36.4°C | 22.0°C | 29.2°C | 45 mm | 71% | 2.1 m/s | 5.1 |
| 1992 | 34.0°C | 21.4°C | 27.7°C | 199 mm | 80% | 2.2 m/s | 4.9 |
| 1991 | 35.0°C | 20.9°C | 28.0°C | 147 mm | 78% | 2.1 m/s | 5.7 |
| 1990 | 37.6°C | 22.1°C | 29.9°C | 120 mm | 68% | 1.9 m/s | 5.2 |
| 1989 | 34.9°C | 20.6°C | 27.7°C | 207 mm | 79% | 2.4 m/s | 4.9 |
| 1988 | 32.8°C | 21.4°C | 27.1°C | 330 mm | 86% | 2.6 m/s | 4.4 |
| 1987 | 36.8°C | 21.9°C | 29.4°C | 141 mm | 78% | 2.4 m/s | 5.3 |
| 1986 | 36.9°C | 22.0°C | 29.5°C | 132 mm | 72% | 2.5 m/s | 5.1 |
| 1985 | 37.3°C | 21.4°C | 29.3°C | 143 mm | 73% | 2.3 m/s | 5.1 |
| 1984 | 37.1°C | 21.3°C | 29.2°C | 100 mm | 70% | 2.1 m/s | 5.3 |
| 1983 ❄️ | 33.1°C | 20.4°C | 26.7°C | 296 mm | 82% | 2.7 m/s | — |
| 1982 | 35.9°C | 19.9°C | 27.9°C | 44 mm | 72% | 2.7 m/s | — |
| 1981 🌧️ | 32.6°C | 21.6°C | 27.1°C | 395 mm | 86% | 2.2 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 36.5°C with lows near 22°C (mean 29.3°C), based on 45 years of NASA POWER data.
September averages 132 mm of rainfall in Virudhunagar, a relatively wet time of year. The wettest on record was 395 mm in 1981.
The hottest September reached 40.4°C in 2016. The coldest dipped to 19.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 2.2°C. Daytime highs moved from 35.2°C to 37.5°C and overnight lows from 20.9°C to 22.8°C over the same span.
September is one of the warmer months of the year in Virudhunagar and a relatively wet time of year, so plan for around 36.5°C daytime highs and 22°C at night.
Not quite — September is the 6th coolest month in Virudhunagar, averaging 29.3°C.
For September in Virudhunagar, pack light, breathable clothing and sun protection, with typical highs of 36.5°C and lows of 22°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 74% — moderately humid.
Average wind speed in September is 2.5 m/s. The windiest September on record averaged 3 m/s (2009).
The wettest September on record was 1981 with 395 mm. On average, September sees 132 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 Virudhunagar 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.
