Weather in 相原 in 9月
Climate normals based on 10 years of historical data for 相原, 日本.
Average high
26°C
Average low
20°C
Rainfall
263 mm
15 rainy days
Sunshine
2.2h/day
湿度
74%
How Hot Is 相原 in 9月?
September keeps 相原 warm but with noticeable cooling at night: 26°C peaks, 20°C lows. That's about 4°C warmer than August and similar to what 相原 sees in October.
Sunshine Hours in 9月
Heavy overcast keeps sun limited in 相原: just 2.2h a day in September.
Does It Rain In 相原 In 9月?
Heavy rains soak 相原 through September — 263mm of rain across 15 days.
Is 相原 Humid In 9月?
September brings sticky conditions to 相原 — humidity averages 74%, particularly noticeable in the afternoons.
Wind In 相原 In 9月
Light breezes typical: 相原 averages 14 kph wind in September.
Cloud Cover In 相原 In 9月
Cloudy skies dominate 相原 in September — averaging 72% cloud cover.
Cities With Similar Weather In 9月
Weather in 相原, month by month
| Month | High / Low | 雨 | |
|---|---|---|---|
| 1月の天気 | 8°C / -1°C | 63mm | Details → |
| 2月の天気 | 10°C / 0°C | 62mm | Details → |
| 3月の天気 | 13°C / 4°C | 158mm | Details → |
| 4月の天気 | 18°C / 9°C | 143mm | Details → |
| 5月の天気 | 23°C / 13°C | 143mm | Details → |
| 6月の天気 | 25°C / 17°C | 226mm | Details → |
| 7月の天気 | 29°C / 22°C | 248mm | Details → |
| 8月の天気 | 30°C / 23°C | 186mm | Details → |
| 9月の天気 | 26°C / 20°C | 263mm | |
| 10月の天気 | 21°C / 14°C | 228mm | Details → |
| 11月の天気 | 16°C / 8°C | 98mm | Details → |
| 12月の天気 | 11°C / 2°C | 56mm | Details → |