September is close to Virudhunagar's year-round average, with average highs near 33.3°C and lows around 23.6°C (mean 28.5°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 74% relative humidity across the period.
September is close to Virudhunagar's year-round average. Across 45 years of records, the warmest September in Virudhunagar was 2002 — when the month averaged 30.7°C — while the coldest were 1981 and 1988 at 26.5°C. Typical September days reach 33.3°C with nights near 23.6°C. The long-term trend is warming, about 0.6°C per decade.
September is a relatively wet time of year in Virudhunagar, averaging 132 mm of rainfall. The wettest September on record was 1981 with 395 mm, while the driest was 2016 at 23 mm.
Relative humidity in Virudhunagar during September averages 74%. The most humid September was 1988 at 86%, and the least humid was 2002 at 61%.
September receives about 5.2 kWh/m²/day of solar energy in Virudhunagar. The sunniest September was 2002 at 6.1 kWh/m²/day, and the cloudiest was 1996 at 4.2.
Average wind speed in Virudhunagar during September is 2.5 m/s. The windiest Septembers were 2009 and 2013 at 3 m/s, while the calmest was 1990 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.5°C | 27.9°C | 28.2°C | 29.5°C | 29.3°C | +1.8°C |
| Avg High | 32.1°C | 32.5°C | 33.0°C | 34.8°C | 34.4°C | +2.3°C |
| Avg Low | 22.9°C | 23.2°C | 23.5°C | 24.3°C | 24.2°C | +1.3°C |
| Avg Rain | 199 mm | 130 mm | 145 mm | 91 mm | 87 mm | -112 mm |
September temperatures in Virudhunagar have risen by about 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 33.3°C and nights around 23.6°C (mean 28.5°C, close to Virudhunagar's yearly average) and higher rainfall. January and December 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 | 35.1°C | 30.0°C | 25.0°C | 38.4°C | 23.5°C | 80 mm | 69% | 2.3 m/s | 4.9 |
| 2024 | 36.4°C | 30.5°C | 24.6°C | 39.2°C | 23.4°C | 29 mm | 67% | 2.8 m/s | 5.5 |
| 2023 | 34.2°C | 29.2°C | 24.2°C | 36.8°C | 22.8°C | 104 mm | 72% | 2.9 m/s | 4.6 |
| 2022 | 33.7°C | 28.6°C | 23.5°C | 36.2°C | 22.1°C | 65 mm | 74% | 2.2 m/s | 5.6 |
| 2021 | 33.9°C | 29.0°C | 24.1°C | 36.7°C | 22.4°C | 154 mm | 73% | 2.3 m/s | 4.7 |
| 2020 | 33.2°C | 28.5°C | 23.8°C | 35.9°C | 22.4°C | 91 mm | 75% | 2.9 m/s | 4.3 |
| 2019 | 33.5°C | 28.9°C | 24.3°C | 38.1°C | 22.6°C | 150 mm | 74% | 2.5 m/s | 4.9 |
| 2018 | 35.8°C | 30.0°C | 24.3°C | 38.6°C | 22.4°C | 77 mm | 66% | 2 m/s | 5.8 |
| 2017 | 31.6°C | 27.8°C | 23.9°C | 34.3°C | 22.2°C | 158 mm | 81% | 2.3 m/s | 4.9 |
| 2016 | 36.8°C | 30.5°C | 24.2°C | 40.4°C | 22.1°C | 23 mm | 61% | 2.5 m/s | 5.6 |
| 2015 | 34.4°C | 29.6°C | 24.7°C | 39.0°C | 23.0°C | 145 mm | 70% | 2.7 m/s | 5.3 |
| 2014 | 34.6°C | 29.4°C | 24.2°C | 38.3°C | 22.8°C | 85 mm | 70% | 2.5 m/s | 5.3 |
| 2013 | 34.3°C | 29.1°C | 23.9°C | 38.1°C | 22.5°C | 36 mm | 71% | 3 m/s | 5 |
| 2012 | 36.4°C | 30.6°C | 24.8°C | 39.2°C | 23.3°C | 44 mm | 61% | 2.9 m/s | 5.5 |
| 2011 | 36.0°C | 30.2°C | 24.3°C | 38.6°C | 22.1°C | 70 mm | 64% | 2.9 m/s | 5.4 |
| 2010 | 34.5°C | 29.3°C | 24.0°C | 37.1°C | 22.3°C | 120 mm | 68% | 2.4 m/s | 5 |
| 2009 | 35.4°C | 29.9°C | 24.5°C | 39.5°C | 23.1°C | 47 mm | 66% | 3 m/s | 5 |
| 2008 | 33.8°C | 28.4°C | 23.0°C | 36.8°C | 21.1°C | 51 mm | 74% | 2.6 m/s | 5.7 |
| 2007 | 32.7°C | 28.1°C | 23.5°C | 35.1°C | 22.5°C | 87 mm | 77% | 2.9 m/s | 4.6 |
| 2006 | 30.4°C | 26.8°C | 23.2°C | 33.4°C | 21.2°C | 246 mm | 84% | 2.6 m/s | 5 |
| 2005 | 32.4°C | 27.8°C | 23.2°C | 35.7°C | 22.1°C | 150 mm | 79% | 2.7 m/s | 5.2 |
| 2004 | 30.5°C | 26.9°C | 23.4°C | 35.7°C | 22.2°C | 317 mm | 82% | 2.1 m/s | 4.9 |
| 2003 | 34.4°C | 28.9°C | 23.5°C | 36.7°C | 22.2°C | 74 mm | 72% | 2.4 m/s | 6 |
| 2002 🔥 | 37.1°C | 30.7°C | 24.2°C | 40.2°C | 22.4°C | 33 mm | 61% | 2.7 m/s | 6.1 |
| 2001 | 31.7°C | 27.5°C | 23.3°C | 36.0°C | 22.3°C | 278 mm | 79% | 2.4 m/s | 5.5 |
| 2000 | 31.5°C | 27.4°C | 23.3°C | 34.6°C | 22.3°C | 164 mm | 81% | 2.1 m/s | 5.3 |
| 1999 | 34.2°C | 28.9°C | 23.6°C | 37.3°C | 22.0°C | 43 mm | 69% | 2.6 m/s | 5.7 |
| 1998 | 30.1°C | 26.6°C | 23.1°C | 33.0°C | 22.2°C | 258 mm | 86% | 2.7 m/s | 5.2 |
| 1997 | 31.5°C | 27.4°C | 23.2°C | 35.1°C | 21.2°C | 196 mm | 81% | 2.6 m/s | 5.2 |
| 1996 | 31.0°C | 27.0°C | 22.9°C | 32.7°C | 21.6°C | 121 mm | 82% | 2.4 m/s | 4.2 |
| 1995 | 35.0°C | 29.4°C | 23.9°C | 38.1°C | 22.4°C | 47 mm | 68% | 2.8 m/s | 4.9 |
| 1994 | 32.2°C | 27.6°C | 22.9°C | 36.3°C | 20.5°C | 120 mm | 77% | 2.2 m/s | 5.1 |
| 1993 | 33.4°C | 28.4°C | 23.3°C | 36.4°C | 22.0°C | 45 mm | 71% | 2.1 m/s | 5.1 |
| 1992 | 30.9°C | 26.9°C | 22.9°C | 34.0°C | 21.4°C | 199 mm | 80% | 2.2 m/s | 4.9 |
| 1991 | 32.3°C | 27.6°C | 22.9°C | 35.0°C | 20.9°C | 147 mm | 78% | 2.1 m/s | 5.7 |
| 1990 | 34.2°C | 29.0°C | 23.8°C | 37.6°C | 22.1°C | 120 mm | 68% | 1.9 m/s | 5.2 |
| 1989 | 31.7°C | 27.3°C | 22.9°C | 34.9°C | 20.6°C | 207 mm | 79% | 2.4 m/s | 4.9 |
| 1988 | 30.0°C | 26.5°C | 23.0°C | 32.8°C | 21.4°C | 330 mm | 86% | 2.6 m/s | 4.4 |
| 1987 | 32.3°C | 27.8°C | 23.4°C | 36.8°C | 21.9°C | 141 mm | 78% | 2.4 m/s | 5.3 |
| 1986 | 33.4°C | 28.3°C | 23.2°C | 36.9°C | 22.0°C | 132 mm | 72% | 2.5 m/s | 5.1 |
| 1985 | 33.1°C | 28.0°C | 23.0°C | 37.3°C | 21.4°C | 143 mm | 73% | 2.3 m/s | 5.1 |
| 1984 | 33.8°C | 28.5°C | 23.2°C | 37.1°C | 21.3°C | 100 mm | 70% | 2.1 m/s | 5.3 |
| 1983 | 30.7°C | 26.6°C | 22.5°C | 33.1°C | 20.4°C | 296 mm | 82% | 2.7 m/s | — |
| 1982 | 33.9°C | 28.1°C | 22.2°C | 35.9°C | 19.9°C | 44 mm | 72% | 2.7 m/s | — |
| 1981 ❄️ 🌧️ | 30.1°C | 26.5°C | 22.9°C | 32.6°C | 21.6°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 33.3°C with lows near 23.6°C (mean 28.5°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°C. Daytime highs moved from 32.3°C to 34.7°C and overnight lows from 22.8°C to 24.3°C over the same span.
September is close to Virudhunagar's year-round average and a relatively wet time of year, so plan for around 33.3°C daytime highs and 23.6°C at night.
Not quite — September is the 6th coolest month in Virudhunagar, averaging 28.5°C.
For September in Virudhunagar, pack light, breathable clothing and sun protection, with typical highs of 33.3°C and lows of 23.6°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.
