Weather in Nagano in September
Climate normals based on 10 years of historical data for Nagano, Japan.
Average high
25°C
Average low
16°C
Rainfall
187 mm
15 rainy days
Sunshine
2.5h/day
Luftfeuchtigkeit
82%
How Hot Is Nagano in September?
Warm days linger in Nagano: 25°C highs, 16°C lows, averaging 20°C.
Sunshine Hours in September
Heavy overcast keeps sun limited in Nagano: just 2.5h a day in September.
Does It Rain In Nagano In September?
September is one of the wetter months in Nagano: 187mm of rain across 15 days, with rain on most days.
Is Nagano Humid In September?
Oppressive humidity dominates Nagano in September — averaging 82%, with the air feeling thick and heavy.
Wind In Nagano In September
Air stays mostly still in Nagano: 9 kph on average in September.
Cloud Cover In Nagano In September
Nagano's September runs cloudy: typical cloud cover of 70%.
Cities With Similar Weather In September
Weather in Nagano, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 3°C / -5°C | 125mm | Details → |
| Wetter im Februar | 5°C / -5°C | 96mm | Details → |
| Wetter im März | 10°C / -1°C | 118mm | Details → |
| Wetter im April | 16°C / 4°C | 124mm | Details → |
| Wetter im Mai | 22°C / 9°C | 136mm | Details → |
| Wetter im Juni | 25°C / 14°C | 152mm | Details → |
| Wetter im Juli | 28°C / 19°C | 252mm | Details → |
| Wetter im August | 30°C / 20°C | 167mm | Details → |
| Wetter im September | 25°C / 16°C | 187mm | |
| Wetter im Oktober | 19°C / 8°C | 164mm | Details → |
| Wetter im November | 13°C / 3°C | 104mm | Details → |
| Wetter im Dezember | 7°C / -2°C | 131mm | Details → |