Weather in 熊本市 in 9月
Climate normals based on 10 years of historical data for 熊本市, 日本.
Average high
29°C
Average low
22°C
Rainfall
219 mm
13 rainy days
Sunshine
3.0h/day
湿度
74%
Sea temperature
28.6°C
How Hot Is 熊本市 in 9月?
September starts to ease 熊本市's heat — 29°C afternoons, 22°C cooler overnights.
Sunshine Hours in 9月
Daylight runs 6:00 am to 6:20 pm, with 3.0h of typical sun in 熊本市 this September.
Does It Rain In 熊本市 In 9月?
September delivers serious rainfall to 熊本市: 219mm across 13 days.
Is 熊本市 Humid In 9月?
September brings sticky conditions to 熊本市 — humidity averages 74%, particularly noticeable in the afternoons.
How Warm Is The Sea In 熊本市 In 9月?
熊本市's waters peak at 28.6°C in September — extremely warm, ideal for long swims.
Wind In 熊本市 In 9月
Wind stays light: 13 kph on a typical day in 熊本市.
Cloud Cover In 熊本市 In 9月
熊本市's September runs cloudy: typical cloud cover of 64%.
Cities With Similar Weather In 9月
Weather in 熊本市, month by month
| Month | High / Low | 雨 | |
|---|---|---|---|
| 1月の天気 | 10°C / 3°C | 76mm | Details → |
| 2月の天気 | 12°C / 4°C | 111mm | Details → |
| 3月の天気 | 16°C / 7°C | 164mm | Details → |
| 4月の天気 | 20°C / 11°C | 183mm | Details → |
| 5月の天気 | 24°C / 15°C | 263mm | Details → |
| 6月の天気 | 27°C / 19°C | 471mm | Details → |
| 7月の天気 | 30°C / 23°C | 448mm | Details → |
| 8月の天気 | 32°C / 25°C | 275mm | Details → |
| 9月の天気 | 29°C / 22°C | 219mm | |
| 10月の天気 | 24°C / 16°C | 117mm | Details → |
| 11月の天気 | 19°C / 11°C | 113mm | Details → |
| 12月の天気 | 12°C / 5°C | 72mm | Details → |