Early autumn · Weather & things to do
Sapporo in September
Sapporo cools off: highs slip to 71°F (22°C), from 78°F in August, with lows of 56°F (14°C) and about 5.4 in (137 mm) of rain.
September opens the best stretch on our comfort score, at 75/100 (3rd of 12).
- Avg high
- 71°F (22°C)
- Avg low
- 56°F (14°C)
- Rain
- 5.4 in (137 mm)
- Humidity
- 85%
- Cloud cover
- 71%
- Daylight
- ~12 h 17 min
- Comfort score
- 75/100 · Great
What September feels like
Days are warm, averaging 71°F (22°C).
Lows average 56°F (14°C).
Rain is a real factor, with about 5.4 in (137 mm) across the month.
Plan around September
September is one of Sapporo's best months on the climate data.
- Last warm month for a while: October highs fall to 59°F.
- Inside the wettest three-month stretch, July – September.
- Opens the best-scoring stretch on our comfort score: May & June and September.
- Last of the best-scoring months: by October, the score drops to 66/100.
- Our Hokkaido: Sapporo, Otaru & Furano route recommends Jul – Aug, Jan – Feb, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes71°F afternoons
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Sapporo in September
With conditions on your side, the picks below favor time outside.
Jozankei Onsen
Hot spring town in a forested river gorge an hour from downtown.
Why now Our curated notes say it's best autumn.
Hokkaido Shrine
Main Shinto shrine of Hokkaido, set in forested Maruyama Park.
Why now September scores 75/100 for comfort, good conditions for being outside.
Odori Park
Long green strip through downtown, home to the Snow Festival in February.
Why now Highs near 71°F and 5.4 in of monthly rain make this an easy outdoor pick.
Mount Moiwa Ropeway
Ropeway and mini cable car up to a summit view over the city and bay.
Why now One to do outside while the weather is on your side.
Ganso Ramen Yokocho
Narrow alley of small ramen counters in Susukino, home of Sapporo miso ramen.
Nearby in September
- Otaru in September~20 mi · highs 71°F, 5.4 in rain · similar daytime temperatures, about as wet
- Furano and Biei in September~63 mi · highs 69°F, 5.0 in rain · 1°C (2°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~279 m to Sapporo's ~36 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Sapporo in September: quick answers
Is September a good time to visit Sapporo?
Yes. On the climate data it's one of the best months, scoring 75/100. Expect highs of 71°F (22°C) and 5.4 in (137 mm) of rain. Our Hokkaido: Sapporo, Otaru & Furano route recommends Jul – Aug, Jan – Feb, so September is outside its suggested window.
How hot is Sapporo in September?
Average highs are 71°F (22°C) and average lows 56°F (14°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Sapporo in September?
Yes: about 5.4 in (137 mm) of rain falls across September on average, the 2nd-wettest month of the year. The annual total is about 50.1 in (1272 mm).
What should I pack for Sapporo in September?
Bring light, breathable clothes (71°F afternoons), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Sapporo
Planning Sapporo in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.