September · Japan
Best time to visit Hokkaido in September Weather, crowds & prices
Weather in Hokkaido in September
Average temperature 17°C, 125 mm of rain, about 13 days with 6+ hours of sunshine and 84% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.9/10
Ranked #5 of 12 months
- Avg temp
- 17°C
- Rainfall
- 125 mm
- Humidity
- 84%
- Days with 6h+ sun
- 13
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Hokkaido scores 6.9/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 17°C, 125 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Hokkaido is Japan's wild north-Sapporo snow festivals, lavender fields of Furano, and hot-spring towns after powder days. Best window: late spring through early autumn.
September in Hokkaido — workable with trade-offs
September averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
At 125 mm this is a genuinely wet month: about 13 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6.9/10 here, 5th of 12 months, against 8.8/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? May scores 1.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Hokkaido in September?
- In September, Hokkaido averages 17°C, 125 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 6.9/10.
- Is September a good time to visit Hokkaido?
- September earns a 6.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Hokkaido in September?
- Expect about 125 mm of rain in September. Average humidity is 84% and there are about 13 days with 6+ hours of sunshine.
Curated in Hokkaido
Tickets & experiences
Things to do in Hokkaido
Hokkaido, Japan. Live activities and tours from GetYourGuide, matched to this destination.