September · Japan
Best time to visit Nozawa Onsen in September Weather, crowds & prices
Weather in Nozawa Onsen in September
Average temperature 21°C, 209 mm of rain, about 12 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
1.6/10
Ranked #10 of 12 months
- Avg temp
- 21°C
- Rainfall
- 209 mm
- Humidity
- 86%
- Days with 6h+ sun
- 12
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Nozawa Onsen scores 1.6/10 for snow and ski travel - ranked #10 of 12. Expect around 21°C, 209 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
Nozawa Onsen is a historic ski village with communal bathhouses, wooden lanes, and consistent Nagano powder. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
September in Nozawa Onsen — off-season conditions
September averages 21°C (69°F) — warm by ski standards, so expect soft afternoon snow low on the mountain and firmer, better riding early.
209 mm of rain puts this in monsoon territory — about 12 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 1.6/10 here, 10th of 12 months, against 9.4/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a waterproof shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? February scores 7.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Nozawa Onsen in September?
- In September, Nozawa Onsen averages 21°C, 209 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 1.6/10.
- Is September a good time to visit Nozawa Onsen?
- September earns a 1.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Nozawa Onsen in September?
- Expect about 209 mm of rain in September. Average humidity is 86% and there are about 12 days with 6+ hours of sunshine.
Curated in Nozawa Onsen
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Things to do in Nozawa Onsen
Nozawa Onsen, Japan. Live activities and tours from GetYourGuide, matched to this destination.