Sapporo September weather
Sapporo, Japan · September
Transition from mild summer into crisp autumn
September in Sapporo feels like early autumn, with cooler evenings and comfortable daytime highs that make walking very pleasant.
Humidity drops and skies can be clear and bright, creating ideal conditions for city strolls and nearby nature trips.
September averages at a glance
Average low
around 9-12°C
Average high
around 18-20°C
Precipitation
around 100 mm
Rainy days
around 10-12 days
What to wear in September in Sapporo
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Long-sleeve T-shirts, shirts, and light knits with jeans or slacks work well.
- • A light jacket or cardigan is useful for mornings, evenings, and breezier days.
- • Closed-toe shoes or sneakers are comfortable for both city and light nature walks.
Travel tips for visiting Sapporo in September
- • This is a highlight month for clear air and early autumn vibes without intense cold.
- • Some days may already feel quite chilly after sunset, so plan your outerwear with evenings in mind.
- • If you want to pair Sapporo with leaf-peeping in nearby areas, late September into October is a good window.
September weather in Sapporo — FAQ
Q. Will I be cold in September?
A. Daytime is usually comfortable, but you may feel chilly at night, especially if you sit outdoors. Pack at least one warm outer layer.
Q. Is September a good time for outdoor cafés and terraces?
A. Yes, it is one of the best months for enjoying outdoor seating without heat or deep cold.
Q. Do I need to worry about typhoons in Sapporo?
A. Hokkaido can still feel some typhoon influence in September, mainly as rain and wind, but impacts are generally milder than further south.
Authored by Jiheon Bang
Updated: 2025-12-01
Reviewed using Visual Crossing Weather data and reorganized from a traveler’s perspective.
Weather data is designed to be refreshed roughly every 10 minutes.