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Wakkanai weather in September 2026
Expect daytime maximum temperatures of 19°C 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 133 mm of rainfall in the month.
- 19°C max day temperature
19 - 6 hours of sunshine per day
- 17 days with some rainfall
17 - 13°C min night temperature
13 - 13 hours of daylight per day
13 - No heat & humidity
0 - 133 mm of monthly rainfall
133 - 5 (Moderate) UV index
5 - 19°C sea temperature
19
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Recommended for Japan
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 / mm) | Imperial (°F / inches)
More about Japan
How hot is it in Wakkanai in September?
Daytime temperatures usually reach 27°C in Wakkanai in September with low heat and humidity, falling to 20°C 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 25°C.
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 181mm.
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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