Wakkanai weather in September 2026

Expect daytime maximum temperatures of 66°F in Wakkanai, Japan in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 66°F maximum daytime temperature in September in Wakkanai66
    66°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in September in Wakkanai17
    17 days with some rainfall
  • 55°F minimum night-time temperature in September in Wakkanai55
    55°F min night temperature
  • 13 hours of daylight per day in September in Wakkanai13
    13 hours of daylight per day
  • No heat & humidity in September in Wakkanai0
    No heat & humidity
  • 5.2 inches monthly rainfall in September in Wakkanai5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Wakkanai5
    5 (Moderate) UV index
  • 66°F sea temperature in September in Wakkanai66
    66°F sea temperature

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The September weather guide for Japan (Wakkanai) 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)  |  Imperial (°F)

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How hot is it in Wakkanai in September?

Daytime temperatures usually reach 81°F in Wakkanai in September with low heat and humidity, falling to 68°F at night.

How sunny is it in Wakkanai in September?

There are normally 4 hours of bright sunshine each day in Wakkanai in September - that's 31% of daylight hours.

How warm is the sea around Wakkanai in September?

The average sea temperature around Wakkanai in September is 77°F.

Does it rain in Wakkanai in September?

There are usually 19 days with some rain in Wakkanai in September and the average monthly rainfall is 7.1 inches.

What is the chance of a typhoon in Wakkanai in September?

On average 1.4 days in September in Wakkanai are likely to be affected by the passage of one or more tropical storms.

Wakkanai September sunrise & sunset times

Browse the sunrise and sunset times for Wakkanai in September 2026. Select a month to view Wakkanai sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 04:54 18:12
Tuesday, 15th September 2026 05:11 17:45
Wednesday, 30th September 2026 05:30 17:16

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