Hakuba Weather in September
September in Hakuba brings high temperatures, with highs of 23°C (73°F) and nights dropping to 15°C (59°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Hakuba in September
As part of the rainy season, Hakuba sees around 20 days of rain in September, with an average of 306 mm (12 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.
Temperature in Hakuba in September
If you're visiting Hakuba in September, expect highs of 23°C (73°F) and overnight lows around 15°C (59°F). Summer occurs in September. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Hakuba in September
The area enjoys a balanced 115 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakuba's climate page.
Hakuba Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
23°C (73°F)
Chance of Rain
66%
Precipitation
306 mm (12 in)
Rainy days
20 days
Sunshine
115 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hakuba typically drop from around 28°C (82°F) at the start of September to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 21°C (70°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Hakuba in September
Browse day-by-day weather records for Hakuba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hakuba historical weather extremes in September
Our historical data for Hakuba spans 1976 to 2025, revealing these weather extremes.
- The warmest day in September was on September 11, 1977, with a maximum of 36°C (97°F).
- Hakuba experienced its chilliest September day on September 28, 1983, reaching only 15°C (59°F).
- Nighttime temperatures dropped to 6°C (43°F) on September 23, 2001, marking the coldest September night on record.
- The wettest September day on record brought 86 mm (3.4 in) of precipitation to Hakuba (September 16, 2013).
Best Places in Japan in September
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in September →
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tolerable
unpleasant
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What to Wear in Hakuba in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Hakuba in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hakuba's climate page.
See the full Hakuba climate overview or explore weather in Japan.
