Sapporo-shi (Sapporo)
September
Weather in Sapporo-shi for September 2025
Your guide to Sapporo-shi weather in September - trends and predictions
In general, the average temperature in Sapporo-shi at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.9 °C by the end of September.
Expect significant rainfall in Sapporo-shi during September, with an average of 17 rainy days.
Is September a good time to visit Sapporo-shi? check out the best time to travel to Sapporo-shi page.
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13
Dry days
17
Rainy days
0
Snow days
21°/13°
Temperatures
13 km/h
Avg max wind
81 %
Avg humidity
Sapporo-shi in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  24° | 3  25° | 4 24° | 5 25° | 6 22° | 7 21° |
| 8 24° | 9  24° | 10 24° | 11  23° | 12 23° | 13  24° | 14  19° |
| 15 20° | 16 21° | 17 22° | 18 24° | 19 22° | 20 19° | 21 15° |
| 22 18° | 23 17° | 24 19° | 25 18° | 26 19° | 27 20° | 28  18° |
| 29 19° | 30 19° |
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Temperatures trend during September in Sapporo-shi
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 24° /15° | 10.4 mm | 6 | |
| 2 Sept. | Moderate rain at times | 24° /15° | 3.3 mm | 5 | |
| 3 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 4 Sept. | Light rain shower | 24° /12° | 1.5 mm | 6 | |
| 5 Sept. | Light rain shower | 25° /15° | 2.6 mm | 6 | |
| 6 Sept. | Moderate or heavy rain shower | 22° /16° | 14.1 mm | 5 | |
| 7 Sept. | Patchy rain possible | 21° /12° | 0.6 mm | 6 | |
| 8 Sept. | Sunny | 24° /11° | 0 mm | 7 | |
| 9 Sept. | Partly cloudy | 24° /15° | 0 mm | 6 | |
| 10 Sept. | Light rain shower | 24° /15° | 0.9 mm | 5 | |
| 11 Sept. | Overcast | 23° /15° | 1.7 mm | 5 | |
| 12 Sept. | Moderate rain at times | 23° /15° | 1.8 mm | 5 | |
| 13 Sept. | Fog | 24° /13° | 1.1 mm | 6 | |
| 14 Sept. | Moderate rain | 19° /10° | 9.4 mm | 5 | |
| 15 Sept. | Sunny | 20° /11° | 17.1 mm | 5 | |
| 16 Sept. | Overcast | 21° /10° | 0 mm | 6 | |
| 17 Sept. | Overcast | 22° /13° | 0.3 mm | 5 | |
| 18 Sept. | Fog | 24° /15° | 1.4 mm | 5 | |
| 19 Sept. | Patchy rain possible | 22° /14° | 0.2 mm | 5 | |
| 20 Sept. | Patchy rain possible | 19° /12° | 1.5 mm | 4 | |
| 21 Sept. | Patchy rain possible | 15° /9° | 0.8 mm | 4 | |
| 22 Sept. | Patchy rain possible | 18° /8° | 0.2 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /7° | 0.5 mm | 4 | |
| 24 Sept. | Partly cloudy | 19° /7° | 0 mm | 5 | |
| 25 Sept. | Patchy rain possible | 18° /8° | 0.2 mm | 4 | |
| 26 Sept. | Patchy rain possible | 19° /11° | 3.1 mm | 4 | |
| 27 Sept. | Patchy rain possible | 20° /12° | 1.1 mm | 5 | |
| 28 Sept. | Heavy rain | 18° /13° | 32.7 mm | 4 | |
| 29 Sept. | Patchy rain possible | 19° /10° | 0.6 mm | 5 | |
| 30 Sept. | Partly cloudy | 19° /9° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Sapporo-shi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sapporo-shi forecast closer to your planned date for the most up-to-date weather information.
Sapporo-shi in September - FAQ
What are the expected maximum and minimum temperatures in Sapporo-shi during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sapporo-shi during September?
Significant rainfall exceeding 146.9 mm is expected in Sapporo-shi during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sapporo-shi during September?
The average wind speed in Sapporo-shi during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Sapporo-shi in September?
As you prepare for your trip to Sapporo-shi in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Sapporo-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Sapporo-shi
Explore the daily rainfall trends and prepare for Sapporo-shis September weather 💧
UV exposure in Sapporo-shi during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Sapporo-shi?Get accurate weather forecasts for Sapporo-shi, located at latitude 43.067 and longitude 141.35. Stay updated with localized weather information tailored for Sapporo-shi.
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