September is one of the cooler months of the year in Wayanad, with average highs near 27.9°C and lows around 18.5°C (mean 23.2°C). It is a relatively wet time of year, averaging 168 mm of rainfall and 90% relative humidity across the period.
September is one of the cooler months of the year in Wayanad. Across 45 years of records, the warmest September in Wayanad was 2015 — when the month averaged 24.7°C — while the coldest was 1983 at 21.8°C. Typical September days reach 27.9°C with nights near 18.5°C. The long-term trend is warming, about 0.3°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.6°C | 22.9°C | 23.2°C | 23.5°C | 23.6°C | +1°C |
| Avg High | 27.2°C | 27.5°C | 28.1°C | 28.4°C | 28.3°C | +1.1°C |
| Avg Low | 18.1°C | 18.3°C | 18.4°C | 18.7°C | 18.9°C | +0.8°C |
| Avg Rain | 153 mm | 127 mm | 198 mm | 189 mm | 175 mm | +22 mm |
September temperatures in Wayanad have risen by about 1.2°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 16.3°C (1994) to a record high of 30.3°C (2015).
Rainfall in September is a relatively wet time of year, averaging 168 mm, with a wettest year of 395 mm.
A good time to visit Wayanad
September is a good time to visit Wayanad, with days averaging 27.9°C and nights around 18.5°C (mean 23.2°C, cooler than Wayanad'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 | 28.2°C | 19.5°C | 23.8°C | 93 mm | 90% | 1.1 m/s | 4.6 |
| 2024 | 28.2°C | 18.3°C | 23.3°C | 95 mm | 90% | 1.1 m/s | 5 |
| 2023 | 28.6°C | 18.9°C | 23.8°C | 230 mm | 89% | 1.2 m/s | 4.5 |
| 2022 | 28.2°C | 19.0°C | 23.6°C | 165 mm | 90% | 1 m/s | 4.9 |
| 2021 | 28.0°C | 19.7°C | 23.8°C | 181 mm | 91% | 1.1 m/s | 4.6 |
| 2020 | 28.4°C | 18.0°C | 23.2°C | 287 mm | 91% | 1.2 m/s | 4.1 |
| 2019 | 28.3°C | 18.8°C | 23.6°C | 230 mm | 91% | 1.1 m/s | 4.5 |
| 2018 | 28.9°C | 17.9°C | 23.4°C | 119 mm | 87% | 0.8 m/s | 5.8 |
| 2017 | 28.4°C | 19.2°C | 23.8°C | 323 mm | 91% | 0.9 m/s | 4.7 |
| 2016 | 28.5°C | 17.8°C | 23.1°C | 42 mm | 87% | 1.1 m/s | 5 |
| 2015 🔥 | 30.3°C | 19.1°C | 24.7°C | 134 mm | 86% | 1 m/s | 5.3 |
| 2014 | 28.2°C | 19.4°C | 23.8°C | 234 mm | 91% | 1 m/s | 5.1 |
| 2013 | 27.3°C | 18.8°C | 23.1°C | 184 mm | 91% | 1.1 m/s | 4.7 |
| 2012 | 27.5°C | 18.7°C | 23.1°C | 158 mm | 90% | 1.1 m/s | 5.2 |
| 2011 | 27.8°C | 18.5°C | 23.1°C | 246 mm | 91% | 1.2 m/s | 5 |
| 2010 | 28.3°C | 18.6°C | 23.4°C | 215 mm | 90% | 0.9 m/s | 4.6 |
| 2009 | 28.2°C | 19.1°C | 23.7°C | 258 mm | 92% | 1.1 m/s | 4.5 |
| 2008 | 27.8°C | 17.8°C | 22.8°C | 248 mm | 91% | 1.1 m/s | 5.3 |
| 2007 | 27.9°C | 18.4°C | 23.1°C | 391 mm | 92% | 1.2 m/s | 4.2 |
| 2006 🌧️ | 28.5°C | 16.9°C | 22.7°C | 395 mm | 92% | 1.2 m/s | 4.7 |
| 2005 | 26.9°C | 18.8°C | 22.9°C | 203 mm | 91% | 1.3 m/s | 4.7 |
| 2004 | 28.1°C | 18.3°C | 23.2°C | 137 mm | 90% | 0.8 m/s | 4.9 |
| 2003 | 28.4°C | 19.1°C | 23.7°C | 35 mm | 89% | 1.1 m/s | 5.8 |
| 2002 | 28.9°C | 18.1°C | 23.5°C | 82 mm | 88% | 1 m/s | 5.9 |
| 2001 | 27.8°C | 18.6°C | 23.2°C | 141 mm | 90% | 0.9 m/s | 5.3 |
| 2000 | 28.0°C | 19.3°C | 23.6°C | 86 mm | 90% | 0.9 m/s | 4.8 |
| 1999 | 28.4°C | 18.4°C | 23.4°C | 39 mm | 89% | 1 m/s | 5.4 |
| 1998 | 26.9°C | 19.1°C | 23.0°C | 327 mm | 93% | 1.2 m/s | 4.6 |
| 1997 | 27.3°C | 19.0°C | 23.2°C | 120 mm | 91% | 0.9 m/s | 4.9 |
| 1996 | 26.0°C | 17.8°C | 21.9°C | 201 mm | 91% | 1.1 m/s | 4.5 |
| 1995 | 27.3°C | 19.0°C | 23.1°C | 157 mm | 91% | 1.2 m/s | 5.1 |
| 1994 | 28.2°C | 16.3°C | 22.3°C | 104 mm | 89% | 1 m/s | 5.6 |
| 1993 | 27.0°C | 18.3°C | 22.6°C | 46 mm | 89% | 1 m/s | 5.4 |
| 1992 | 27.6°C | 18.6°C | 23.1°C | 168 mm | 91% | 1 m/s | 4.6 |
| 1991 | 28.4°C | 18.1°C | 23.2°C | 32 mm | 89% | 0.9 m/s | 5 |
| 1990 | 27.8°C | 18.7°C | 23.3°C | 74 mm | 89% | 1 m/s | 5 |
| 1989 | 26.7°C | 17.5°C | 22.1°C | 164 mm | 90% | 1 m/s | 5.1 |
| 1988 | 27.1°C | 19.1°C | 23.1°C | 253 mm | 91% | 1.2 m/s | 4.9 |
| 1987 | 28.1°C | 18.7°C | 23.4°C | 54 mm | 89% | 0.9 m/s | 5.3 |
| 1986 | 27.4°C | 17.8°C | 22.6°C | 137 mm | 89% | 1 m/s | 4.4 |
| 1985 | 27.3°C | 17.6°C | 22.4°C | 73 mm | 89% | 0.9 m/s | 4.6 |
| 1984 | 27.8°C | 17.4°C | 22.6°C | 89 mm | 89% | 0.9 m/s | 4.8 |
| 1983 ❄️ | 25.9°C | 17.8°C | 21.8°C | 284 mm | 92% | 1.3 m/s | — |
| 1982 | 27.3°C | 17.7°C | 22.5°C | 73 mm | 89% | 1 m/s | — |
| 1981 | 27.2°C | 19.3°C | 23.2°C | 254 mm | 92% | 1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 27.9°C with lows near 18.5°C (mean 23.2°C), based on 45 years of NASA POWER data.
September averages 168 mm of rainfall in Wayanad, a relatively wet time of year. The wettest on record was 395 mm in 2006.
The hottest September reached 30.3°C in 2015. The coldest dipped to 16.3°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.2°C. Daytime highs moved from 27.1°C to 28.2°C and overnight lows from 18°C to 19.1°C over the same span.
September is one of the cooler months of the year in Wayanad and a relatively wet time of year, so plan for around 27.9°C daytime highs and 18.5°C at night.
Not quite — September is the 7th coolest month in Wayanad, averaging 23.2°C.
For September in Wayanad, pack light layers you can adjust through the day, with typical highs of 27.9°C and lows of 18.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 90% — quite humid.
Average wind speed in September is 1 m/s. The windiest September on record averaged 1.3 m/s (1983).
The wettest September on record was 2006 with 395 mm. On average, September sees 168 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 Wayanad 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.
