Sapporo weather in September
“Mild and bright — an underrated time to visit.”
Roughly 12 rainy days across the month, on average.
September in Sapporo brings mild early autumn weather with average highs of 21.9°C (71°F) and lows of 14.3°C (57°F). Expect moderate rainfall around 125.5mm spread across roughly 12 rainy days, so wet weather is common. You'll enjoy about 8.8 hours of sunshine daily, giving you decent light for exploring even on drizzly afternoons.
This is the tail end of summer tourism, making September a sweet spot for fewer crowds. The city transitions into autumn with subtle color changes in parks and gardens. It's also near the end of Sapporo's festival season, so you may catch lingering cultural events. The atmosphere feels refreshingly cooler than August, with locals shedding summer clothes.
For 2026 travel, September is ideal if you prefer milder temperatures and want to avoid peak summer heat and winter snow. Pack layers and rain gear—the weather can shift quickly. Accommodation prices are reasonable, and restaurants are less packed than July-August. It's perfect for outdoor exploration without the intensity of peak season.
What to pack for Sapporo in September
September weather in Sapporo requires layering for fluctuating temperatures and rain protection. Bring items you can mix and match for cool mornings, mild afternoons, and frequent showers. Waterproof gear is essential given the 125.5mm monthly rainfall.
- Light rain jacket or waterproof windbreaker
- Long-sleeve linen shirt or cotton blend
- Comfortable walking sneakers with water resistance
- Lightweight cardigan or fleece layer
- Compact umbrella or packable rain poncho
What to pack for Sapporo in September
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Where to stay in Sapporo
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Compare hotels on Booking.com→Things worth doing
Hiking in Maruyama Park, visiting Hokkaido Museum, exploring Susukino district at night, cycling along the Toyohira River, attending autumn festivals.
Other places with a similar climate right now
Sapporo in September — FAQ
Q01Is September a good time to visit Sapporo?
Is September a good time to visit Sapporo?
It is a fair time to visit — expect variable conditions and plan flexibility. In September, Sapporo averages a high of 22°C (71°F) and a low of 14°C (58°F), with 126mm of rainfall across roughly 12 rainy days.
Q02What is the average temperature in Sapporo in September?
What is the average temperature in Sapporo in September?
The average high temperature in Sapporo during September is 22°C (71°F), with an average low of 14°C (58°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Sapporo have in September?
How many rainy days does Sapporo have in September?
Sapporo averages approximately 12 rainy days in September, with a total monthly rainfall of about 126mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Sapporo in September?
What should I pack for Sapporo in September?
For Sapporo in September, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Sapporo in September?
How crowded is Sapporo in September?
Tourist crowds in Sapporo during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.