September · Japan
Best time to visit Mount Fuji in September Weather, crowds & prices
Weather in Mount Fuji in September
Average temperature 21°C, 209 mm of rain, about 13 days with 6+ hours of sunshine and 86% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.2/10
Ranked #5 of 12 months
- Avg temp
- 21°C
- Rainfall
- 209 mm
- Humidity
- 86%
- Days with 6h+ sun
- 13
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Mount Fuji scores 6.2/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 21°C, 209 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Mount Fuji rises over the Fuji Five Lakes, with climbing trails, shrine forests, and lake viewpoints below.
September in Mount Fuji — middling scores, decent value
September averages 21°C (70°F) — warm for the outdoors: start trails early, use shaded routes at midday, and carry more water than you think you need.
209 mm of rain puts this in monsoon territory — about 13 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 6.2/10 here, 5th of 12 months, against 7.5/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Mount Fuji in September?
- In September, Mount Fuji averages 21°C, 209 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 6.2/10.
- Is September a good time to visit Mount Fuji?
- September earns a 6.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Mount Fuji in September?
- Expect about 209 mm of rain in September. Average humidity is 86% and there are about 13 days with 6+ hours of sunshine.
Curated in Mount Fuji
Tickets & experiences
Things to do in Mount Fuji
Mount Fuji, Japan. Live activities and tours from GetYourGuide, matched to this destination.