Weather in 新潟市 in 9月
Climate normals based on 10 years of historical data for 新潟市, 日本.
Average high
25°C
Average low
21°C
Rainfall
189 mm
15 rainy days
Sunshine
2.9h/day
湿度
75%
Sea temperature
28.0°C
How Hot Is 新潟市 in 9月?
September in 新潟市 averages 25°C in the afternoon and 21°C overnight, with a typical daily mean of 23°C. The pattern barely shifts from August — just a 4°C difference in average high.
Sunshine Hours in 9月
新潟市 is gloomy through September: 2.9h of direct sun on a typical day.
Does It Rain In 新潟市 In 9月?
Wet conditions dominate 新潟市: 189mm of rain on 15 days.
Is 新潟市 Humid In 9月?
High levels of humidity in 新潟市 year-round (about 75%) will make it feel warmer than the thermometer suggests.
How Warm Is The Sea In 新潟市 In 9月?
新潟市's waters peak at 28.0°C in September — extremely warm, ideal for long swims.
Wind In 新潟市 In 9月
September brings gentle winds to 新潟市 — averaging 19 kph.
Cloud Cover In 新潟市 In 9月
Grey, cloudy days are the norm: 66% average cover in 新潟市.
Cities With Similar Weather In 9月
Weather in 新潟市, month by month
| Month | High / Low | 雨 | |
|---|---|---|---|
| 1月の天気 | 5°C / 1°C | 205mm | Details → |
| 2月の天気 | 6°C / 2°C | 122mm | Details → |
| 3月の天気 | 10°C / 4°C | 124mm | Details → |
| 4月の天気 | 14°C / 8°C | 111mm | Details → |
| 5月の天気 | 20°C / 13°C | 120mm | Details → |
| 6月の天気 | 23°C / 17°C | 140mm | Details → |
| 7月の天気 | 27°C / 22°C | 264mm | Details → |
| 8月の天気 | 29°C / 24°C | 203mm | Details → |
| 9月の天気 | 25°C / 21°C | 189mm | |
| 10月の天気 | 19°C / 14°C | 155mm | Details → |
| 11月の天気 | 14°C / 9°C | 173mm | Details → |
| 12月の天気 | 9°C / 4°C | 258mm | Details → |