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Shirahama weather in September 2026
Expect daytime maximum temperatures of 81°F in Shirahama, Japan in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 11.7 inches of rainfall in the month.
- 81°F max day temperature
81 - 5 hours of sunshine per day
- 18 days with some rainfall
18 - 68°F min night temperature
68 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 11.7 inches of monthly rainfall
11.7 - 8 (Very High) UV index
8 - 81°F sea temperature
81
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Recommended for Japan
The September weather guide for Japan (Shirahama) 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)
More about Japan
How hot is it in Shirahama in September?
Daytime temperatures usually reach 81°F in Shirahama in September with low heat and humidity, falling to 68°F at night.
How sunny is it in Shirahama in September?
There are normally 4 hours of bright sunshine each day in Shirahama in September - that's 31% of daylight hours.
How warm is the sea around Shirahama in September?
The average sea temperature around Shirahama in September is 77°F.
Does it rain in Shirahama in September?
There are usually 19 days with some rain in Shirahama in September and the average monthly rainfall is 7.1 inches.
What is the chance of a typhoon in Shirahama in September?
On average 1.4 days in September in Shirahama are likely to be affected by the passage of one or more tropical storms.
Shirahama September sunrise & sunset times
Browse the sunrise and sunset times for Shirahama in September 2026. Select a month to view Shirahama sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st September 2026 | 05:32 | 18:25 |
| Tuesday, 15th September 2026 | 05:42 | 18:06 |
| Wednesday, 30th September 2026 | 05:52 | 17:45 |
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