Hanalei, Kauai weather in September 2019

  • 29°C maximum daytime temperature in September in Hanalei, Kauai29
    29°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in September in Hanalei, Kauai15
    15 days with some rainfall
  • 23°C minimum night-time temperature in September in Hanalei, Kauai23
    23°C min night temperature
  • 12 hours of daylight per day in September in Hanalei, Kauai12
    12 hours of daylight per day
  • High heat & humidity in September in Hanalei, KauaiH
    High heat & humidity
  • 144 mm monthly rainfall in September in Hanalei, Kauai144
    144 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Hanalei, Kauai11
    11 (Extreme) UV index
  • 27°C sea temperature in September in Hanalei, Kauai27
    27°C sea temperature

Going to Hanalei, Kauai? Find the best month to visit Hanalei, Kauai based on the weather.

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Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Hanalei, Kauai in September. Check more long-term weather averages for Hanalei, Kauai in September before you book your next holiday to Hawaii in 2019/2020.

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More about Hanalei, Kauai

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The September weather guide for Hanalei, Kauai, 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.

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

Guide to Hanalei, Kauai weather in September

The average maximum daytime temperature in Hanalei, Kauai in September is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a warm 23°C (73°F). There are usually 8 hours of bright sunshine each day, which represents 66% of the 12 hours of daylight.

Expect 144mm (5.7 inches) of rainfall across the whole of September with 15 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Hanalei, Kauai in September is 27°C (81°F).

Hanalei, Kauai sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Hanalei, Kauai in September 2019. Select a month to view Hanalei, Kauai sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 06:21 18:55
Monday, 2nd September 2019 06:21 18:54
Tuesday, 3rd September 2019 06:21 18:53
Wednesday, 4th September 2019 06:22 18:52
Thursday, 5th September 2019 06:22 18:51
Friday, 6th September 2019 06:22 18:50
Saturday, 7th September 2019 06:23 18:49
Sunday, 8th September 2019 06:23 18:48
Monday, 9th September 2019 06:23 18:47
Tuesday, 10th September 2019 06:23 18:46
Wednesday, 11th September 2019 06:24 18:45
Thursday, 12th September 2019 06:24 18:44
Friday, 13th September 2019 06:24 18:43
Saturday, 14th September 2019 06:24 18:42
Sunday, 15th September 2019 06:25 18:41
Monday, 16th September 2019 06:25 18:40
Tuesday, 17th September 2019 06:25 18:39
Wednesday, 18th September 2019 06:26 18:38
Thursday, 19th September 2019 06:26 18:37
Friday, 20th September 2019 06:26 18:36
Saturday, 21st September 2019 06:26 18:35
Sunday, 22nd September 2019 06:27 18:34
Monday, 23rd September 2019 06:27 18:33
Tuesday, 24th September 2019 06:27 18:32
Wednesday, 25th September 2019 06:28 18:31
Thursday, 26th September 2019 06:28 18:30
Friday, 27th September 2019 06:28 18:29
Saturday, 28th September 2019 06:28 18:28
Sunday, 29th September 2019 06:29 18:27
Monday, 30th September 2019 06:29 18:26
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