Hakuba weather in September
September in Hakuba: warm, soaked, with clean air — not the time — 21 rainy days.
#11 of 12 months in Hakuba · #897 of 897 destinations to visit in September · comfort 16/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Hakuba in September
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Hakuba climate normals — September
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Rainfall | 292 mm / 11.5 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 12.4 h | |
| Wind | 7 km/h / 4 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hakuba in September — FAQ
- Is September a good time to visit Hakuba?
- September in Hakuba: warm, soaked, with clean air — not the time — 21 rainy days. It ranks #11 of 12 months for Hakuba on SeasonMap's comfort score (16/100).
- What is the weather like in Hakuba in September?
- In September, Hakuba averages a daily high of 25°C and a low of 17.8°C, with about 292.3 mm of rain over roughly 21.2 rainy days.
- What is the air quality in Hakuba in September?
- Hakuba has a mean US Air Quality Index of about 33 in September.