Sapporo-shi (Sapporo)
September
Weather in Sapporo-shi for September 2026
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 23.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.4 °C by the end of September.
Sapporo-shi in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 119.9 mm.
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Temperatures
Rain 🌧️
More
13
Dry days
17
Rainy days
0
Snow days
21°/13°
Temperatures
14 km/h
Avg max wind
78 %
Avg humidity
Sapporo-shi Weather September
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Temperatures trend during September in Sapporo-shi
See the weather trend as well as the moving average line
September weather in Sapporo-shi day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 23° /15° | 5 mm | 5 | |
| 2 Sept. |  Cloudy | 23° /15° | 1.7 mm | 5 | |
| 3 Sept. |  Sunny | 23° /13° | 0.1 mm | 6 | |
| 4 Sept. | Sunny | 24° /13° | 0.6 mm | 6 | |
| 5 Sept. | Patchy rain possible | 23° /14° | 2.2 mm | 5 | |
| 6 Sept. | Sunny | 23° /15° | 5.7 mm | 5 | |
| 7 Sept. | Sunny | 23° /13° | 1 mm | 6 | |
| 8 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 9 Sept. | Patchy rain possible | 23° /15° | 0.5 mm | 5 | |
| 10 Sept. | Sunny | 24° /14° | 0.4 mm | 6 | |
| 11 Sept. | Cloudy | 24° /14° | 1 mm | 5 | |
| 12 Sept. |  Overcast | 23° /13° | 1.9 mm | 5 | |
| 13 Sept. | Patchy rain possible | 22° /13° | 3.3 mm | 5 | |
| 14 Sept. | Patchy rain possible | 20° /11° | 5.1 mm | 5 | |
| 15 Sept. | Sunny | 21° /11° | 6.8 mm | 5 | |
| 16 Sept. | Overcast | 21° /11° | 0.1 mm | 5 | |
| 17 Sept. | Overcast | 21° /14° | 0.3 mm | 5 | |
| 18 Sept. |  Moderate or heavy rain shower | 21° /14° | 9.7 mm | 5 | |
| 19 Sept. | Patchy rain possible | 21° /13° | 7.7 mm | 5 | |
| 20 Sept. |  Partly cloudy | 18° /10° | 21.1 mm | 4 | |
| 21 Sept. | Patchy rain possible | 17° /9° | 6.2 mm | 4 | |
| 22 Sept. | Patchy rain possible | 19° /9° | 1.4 mm | 4 | |
| 23 Sept. | Moderate or heavy rain shower | 18° /10° | 9.7 mm | 4 | |
| 24 Sept. | Overcast | 19° /9° | 2.2 mm | 4 | |
| 25 Sept. | Patchy rain possible | 18° /10° | 3.1 mm | 4 | |
| 26 Sept. | Partly cloudy | 20° /11° | 1.4 mm | 5 | |
| 27 Sept. | Patchy rain possible | 20° /10° | 0.5 mm | 5 | |
| 28 Sept. | Sunny | 20° /12° | 13.1 mm | 5 | |
| 29 Sept. | Partly cloudy | 19° /10° | 0.6 mm | 5 | |
| 30 Sept. | Sunny | 20° /10° | 9.2 mm | 5 | |
| Next | |||||
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.
Change Month
Sapporo-shi weather in September vs August vs October
Compare September weather in Sapporo-shi with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/17° | 21°/13° | 13°/7° |
| Rainfall | 221 mm | 120 mm | 153 mm |
| Wind | 13.5 km/h | 14.3 km/h | 15.6 km/h |
| Humidity | 85% | 78% | 76% |
| Rainy days | 28 days | 17 days | 22 days |
| Dry days | 3 days | 13 days | 9 days |
Planning a trip to Sapporo-shi? Discover the best time to visit
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 119.9 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 14 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 💧
Typically, Sapporo-shi has 17 rainy days in September with a total of 119.9 mm of rainfall.
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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