Kailua, Oahu weather in September 2020

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  • 30°C maximum daytime temperature in September in Kailua, Oahu30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in September in Kailua, Oahu8
    8 days with some rainfall
  • 22°C minimum night-time temperature in September in Kailua, Oahu22
    22°C min night temperature
  • 12 hours of daylight per day in September in Kailua, Oahu12
    12 hours of daylight per day
  • High heat & humidity in September in Kailua, OahuH
    High heat & humidity
  • 44 mm monthly rainfall in September in Kailua, Oahu44
    44 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Kailua, Oahu11
    11 (Extreme) UV index
  • 27°C sea temperature in September in Kailua, Oahu27
    27°C sea temperature
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The September weather guide for Kailua, Oahu, Hawaii 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.

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How hot is it in Kailua, Oahu in September?

Daytime temperatures usually reach 30°C in Kailua, Oahu in September with high heat and humidity, falling to 22°C at night.

How sunny is it in Kailua, Oahu in September?

There are normally 9 hours of bright sunshine each day in Kailua, Oahu in September - that's 74% of daylight hours.

How warm is the sea around Kailua, Oahu in September?

The average sea temperature around Kailua, Oahu in September is 27°C.

Does it rain in Kailua, Oahu in September?

There are usually 8 days with some rain in Kailua, Oahu in September and the average monthly rainfall is 44mm.

Kailua, Oahu sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Kailua, Oahu in September 2020. Select a month to view Kailua, Oahu sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:15 18:46
Tuesday, 15th September 2020 06:18 18:33
Wednesday, 30th September 2020 06:22 18:19
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Hawaii in September for 2020/2021?

Below are average maximum temperatures at popular destinations in Hawaii in September. Select a destination to see more weather parameters.

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