Waikkal weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Waikkal in September. Check more long-term weather averages for Waikkal in September before you book your next holiday to Sri Lanka in 2025/2026.

  • 31°C maximum daytime temperature in September in Waikkal31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Waikkal12
    12 days with some rainfall
  • 25°C minimum night-time temperature in September in Waikkal25
    25°C min night temperature
  • 12 hours of daylight per day in September in Waikkal12
    12 hours of daylight per day
  • Very high heat & humidity in September in WaikkalVH
    Very High heat & humidity
  • 187 mm monthly rainfall in September in Waikkal187
    187 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Waikkal11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Waikkal27
    27°C sea temperature

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The September weather guide for Sri Lanka (Waikkal) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Sri Lanka

How hot is it in Waikkal in September?

Daytime temperatures usually reach 31°C in Waikkal in September with very high heat and humidity, falling to 25°C at night.

How sunny is it in Waikkal in September?

There are normally 6 hours of bright sunshine each day in Waikkal in September - that's 51% of daylight hours.

How warm is the sea around Waikkal in September?

The average sea temperature around Waikkal in September is 27°C.

Does it rain in Waikkal in September?

There are usually 12 days with some rain in Waikkal in September and the average monthly rainfall is 187mm.

Waikkal September sunrise & sunset times

Browse the sunrise and sunset times for Waikkal in September 2025. Select a month to view Waikkal sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:03 18:18
Monday, 15th September 2025 06:01 18:10
Tuesday, 30th September 2025 05:59 18:02

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