September is one of the cooler months of the year in Kannur, with average highs near 28.4°C and lows around 20.6°C (mean 24.5°C). It is a relatively wet time of year, averaging 251 mm of rainfall and 90% relative humidity across the period.
September is one of the cooler months of the year in Kannur. Across 45 years of records, the warmest September in Kannur was 2015 — when the month averaged 25.5°C — while the coldest was 1994 at 23.4°C. Typical September days reach 28.4°C with nights near 20.6°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 | 24.1°C | 24.3°C | 24.5°C | 24.8°C | 25.1°C | +1°C |
| Avg High | 28.0°C | 28.1°C | 28.5°C | 28.8°C | 29.0°C | +1°C |
| Avg Low | 20.3°C | 20.5°C | 20.6°C | 20.9°C | 21.1°C | +0.8°C |
| Avg Rain | 218 mm | 188 mm | 282 mm | 299 mm | 274 mm | +56 mm |
September temperatures in Kannur have risen by about 1.1°C between 1981–1985 and 2021–2025.
September has ranged from a record low of 18.5°C (1994) to a record high of 29.6°C (2024).
Rainfall in September is a relatively wet time of year, averaging 251 mm, with a wettest year of 594 mm.
A good time to visit Kannur
September is a good time to visit Kannur, with days averaging 28.4°C and nights around 20.6°C (mean 24.5°C, cooler than Kannur's yearly average) and higher rainfall. December and January are marginally more temperate, but September still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 28.9°C | 21.3°C | 25.1°C | 138 mm | 90% | 1.2 m/s | 5.2 |
| 2024 | 29.6°C | 21.0°C | 25.3°C | 156 mm | 90% | 1.2 m/s | 5.3 |
| 2023 | 29.5°C | 21.2°C | 25.3°C | 356 mm | 90% | 0.9 m/s | 4.4 |
| 2022 | 28.3°C | 21.1°C | 24.7°C | 211 mm | 90% | 1 m/s | 5.5 |
| 2021 | 28.7°C | 21.7°C | 25.2°C | 293 mm | 91% | 1 m/s | 5 |
| 2020 | 29.0°C | 20.5°C | 24.8°C | 490 mm | 91% | 1 m/s | 4.4 |
| 2019 | 29.1°C | 21.4°C | 25.3°C | 363 mm | 90% | 0.9 m/s | 4.8 |
| 2018 | 29.1°C | 19.7°C | 24.4°C | 109 mm | 88% | 1 m/s | 6.3 |
| 2017 | 29.5°C | 21.3°C | 25.4°C | 324 mm | 91% | 1 m/s | 5.2 |
| 2016 | 27.5°C | 20.4°C | 24.0°C | 115 mm | 90% | 1.1 m/s | 5.3 |
| 2015 🔥 | 29.3°C | 21.6°C | 25.5°C | 238 mm | 89% | 1 m/s | 5.4 |
| 2014 | 29.0°C | 21.6°C | 25.3°C | 388 mm | 91% | 1.1 m/s | 5.4 |
| 2013 | 28.2°C | 21.0°C | 24.6°C | 331 mm | 90% | 1.1 m/s | 4.8 |
| 2012 | 28.1°C | 20.3°C | 24.2°C | 304 mm | 90% | 1 m/s | 5.4 |
| 2011 | 28.5°C | 20.9°C | 24.7°C | 406 mm | 90% | 1 m/s | 4.9 |
| 2010 | 29.2°C | 20.8°C | 25.0°C | 416 mm | 90% | 0.8 m/s | 5.2 |
| 2009 | 28.4°C | 21.5°C | 24.9°C | 435 mm | 92% | 1.1 m/s | 4.7 |
| 2008 | 28.4°C | 20.0°C | 24.2°C | 311 mm | 89% | 1 m/s | 5.3 |
| 2007 🌧️ | 28.2°C | 20.6°C | 24.4°C | 594 mm | 92% | 1.1 m/s | 4.1 |
| 2006 | 28.8°C | 19.5°C | 24.1°C | 502 mm | 91% | 1.1 m/s | 4.6 |
| 2005 | 27.8°C | 21.0°C | 24.4°C | 304 mm | 91% | 1.3 m/s | 4.9 |
| 2004 | 28.6°C | 20.4°C | 24.5°C | 128 mm | 90% | 1 m/s | 5.3 |
| 2003 | 28.5°C | 21.1°C | 24.8°C | 89 mm | 89% | 1.1 m/s | 5.9 |
| 2002 | 29.0°C | 20.4°C | 24.7°C | 125 mm | 88% | 1.1 m/s | 6.1 |
| 2001 | 28.2°C | 20.7°C | 24.4°C | 193 mm | 89% | 1 m/s | 5.4 |
| 2000 | 28.8°C | 21.2°C | 25.0°C | 136 mm | 90% | 1.1 m/s | 5.4 |
| 1999 | 28.2°C | 21.0°C | 24.6°C | 85 mm | 89% | 1 m/s | 5.8 |
| 1998 | 27.7°C | 21.1°C | 24.4°C | 462 mm | 92% | 1.2 m/s | 4.6 |
| 1997 | 28.1°C | 21.4°C | 24.7°C | 139 mm | 89% | 0.9 m/s | 5.4 |
| 1996 | 27.2°C | 20.3°C | 23.8°C | 258 mm | 91% | 1.1 m/s | 5.2 |
| 1995 | 27.8°C | 20.8°C | 24.3°C | 222 mm | 90% | 1.2 m/s | 5.4 |
| 1994 ❄️ | 28.4°C | 18.5°C | 23.4°C | 149 mm | 89% | 1.2 m/s | 5.9 |
| 1993 | 28.1°C | 20.0°C | 24.0°C | 107 mm | 89% | 1 m/s | 5.5 |
| 1992 | 28.5°C | 20.3°C | 24.4°C | 254 mm | 91% | 1.3 m/s | 4.9 |
| 1991 | 29.0°C | 20.6°C | 24.8°C | 62 mm | 89% | 1.2 m/s | 5.6 |
| 1990 | 28.2°C | 20.5°C | 24.4°C | 144 mm | 89% | 1.1 m/s | 5.5 |
| 1989 | 27.8°C | 19.8°C | 23.8°C | 240 mm | 90% | 1.1 m/s | 5.4 |
| 1988 | 28.5°C | 20.8°C | 24.6°C | 348 mm | 91% | 1.2 m/s | 5 |
| 1987 | 28.5°C | 20.8°C | 24.6°C | 131 mm | 89% | 1.1 m/s | 5.7 |
| 1986 | 27.9°C | 20.3°C | 24.1°C | 160 mm | 89% | 1.1 m/s | 5.3 |
| 1985 | 28.1°C | 20.0°C | 24.0°C | 105 mm | 88% | 1 m/s | 5.4 |
| 1984 | 28.4°C | 19.8°C | 24.1°C | 134 mm | 90% | 1.1 m/s | 5.1 |
| 1983 | 26.8°C | 20.3°C | 23.5°C | 423 mm | 91% | 1.1 m/s | — |
| 1982 | 28.1°C | 19.7°C | 23.9°C | 115 mm | 88% | 1 m/s | — |
| 1981 | 27.7°C | 20.9°C | 24.3°C | 306 mm | 91% | 1 m/s | — |
Actual recorded September data for each year, 1981–2025 — sourced from NASA POWER.
The average high in September is around 28.4°C with lows near 20.6°C (mean 24.5°C), based on 45 years of NASA POWER data.
September averages 251 mm of rainfall in Kannur, a relatively wet time of year. The wettest on record was 594 mm in 2007.
The hottest September reached 29.6°C in 2024. The coldest dipped to 18.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average September temperatures have risen by about 1.1°C. Daytime highs moved from 27.8°C to 29°C and overnight lows from 20.1°C to 21.3°C over the same span.
September is one of the cooler months of the year in Kannur and a relatively wet time of year, so plan for around 28.4°C daytime highs and 20.6°C at night.
Not quite — September is the 6th coolest month in Kannur, averaging 24.5°C.
For September in Kannur, pack light layers you can adjust through the day, with typical highs of 28.4°C and lows of 20.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in September averages 90% — quite humid.
Average wind speed in September is 1.1 m/s. The windiest September on record averaged 1.3 m/s (1992).
The wettest September on record was 2007 with 594 mm. On average, September sees 251 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 Kannur 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.
