Oshima Weather in September
Oshima in September
The short of it: Oshima in September averages a high of 26 °C (78 °F) and a low of 18 °C (65 °F), with 201 mm (7.9 in) of rain and about 12 h 22 min of daylight. Rated 3 of 5 for a visit; the best months are June and May. Source: TerraClimate climate normals, 1991–2020.
Average high 26° · low 18° · rain 201 mm · daylight 12 h 22 min
✦✦✦ Fair for a visit · best months: June & May
Thirty years of records give Oshima an average September high of 26°, a low of 18° and some 201 mm of rain. The year turns hard here: highs drop 4° from August to about 26°, with nights near 18°. Wet spells are common — about 201 mm, the 3rd wettest month.
The sun is up for about 12 h 22 min in mid-September, 72 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates September 3 of 5 for a visit; the finest months here are June and May.
Against its neighbours, Oshima runs cooler than most and drier than most in September. Hakui, 12 km to the S, sees much the same highs.
September in Oshima, by the numbers
- Warmth rank
- 3rd warmest of 12
- Rain rank
- 3rd wettest of 12
- Versus August
- 4° colder, 80 mm more rain
- Versus October
- 5° warmer
- Day–night spread
- 7°
- Snow season
- Jan–Feb
- Daylight, mid-month
- 12 h 22 min
- Average wind
- 12 km/h