Weather in Sapporo for September 2027
In general, the average temperature in Sapporo at the beginning of September is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.9 °C by the end of September.
Sapporo experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 116.9 mm.
Is September a good time to visit Sapporo? check out the best time to travel to Sapporo page.
✨ Is September a good time to visit Sapporo? – Ask the AI Weatherman
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Sapporo Weather September
Temperatures trend during September in Sapporo
September weather in Sapporo day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 22° /15° | 5 mm | 5 | |
| 2 Sept. | Light rain | 21° /15° | 3.8 mm | 4 | |
| 3 Sept. | Light rain | 22° /14° | 3.2 mm | 5 | |
| 4 Sept. |  Sunny | 22° /13° | 0.9 mm | 5 | |
| 5 Sept. |  Patchy rain possible | 22° /14° | 1.8 mm | 5 | |
| 6 Sept. | Light rain | 23° /15° | 4.7 mm | 5 | |
| 7 Sept. | Patchy rain possible | 21° /14° | 1 mm | 5 | |
| 8 Sept. | Sunny | 23° /13° | 0.3 mm | 5 | |
| 9 Sept. | Patchy rain possible | 22° /15° | 0.8 mm | 5 | |
| 10 Sept. | Sunny | 23° /14° | 0.3 mm | 5 | |
| 11 Sept. |  Cloudy | 23° /14° | 0.8 mm | 5 | |
| 12 Sept. | Patchy rain possible | 22° /13° | 2 mm | 5 | |
| 13 Sept. | Light rain | 22° /14° | 2.7 mm | 5 | |
| 14 Sept. | Light rain | 20° /12° | 4.5 mm | 4 | |
| 15 Sept. | Light rain | 21° /11° | 5.7 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° | 8.1 mm | 5 | |
| 19 Sept. | Light rain | 20° /13° | 6.4 mm | 4 | |
| 20 Sept. |  Moderate rain | 18° /12° | 18.2 mm | 4 | |
| 21 Sept. | Light rain | 17° /10° | 5.2 mm | 4 | |
| 22 Sept. | Patchy rain possible | 19° /10° | 1.4 mm | 4 | |
| 23 Sept. | Moderate or heavy rain shower | 18° /11° | 8.1 mm | 4 | |
| 24 Sept. | Light rain | 19° /10° | 3.7 mm | 4 | |
| 25 Sept. | Light rain | 18° /10° | 2.6 mm | 4 | |
| 26 Sept. | Patchy rain possible | 19° /11° | 1.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 20° /11° | 1.8 mm | 5 | |
| 28 Sept. | Moderate rain | 19° /12° | 13.2 mm | 5 | |
| 29 Sept. | Patchy rain possible | 18° /11° | 1.2 mm | 4 | |
| 30 Sept. | Light rain | 19° /11° | 8 mm | 4 | |
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Sapporo weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/17° | 21°/12° | 13°/6° |
| Rainfall | 186 mm | 117 mm | 131 mm |
| Snowfall | 0 cm | 0 cm | 0 cm |
| Wind | 13.2 km/h | 13.7 km/h | 15.5 km/h |
| Humidity | 84% | 78% | 76% |
| Rainy days | 16 days | 10 days | 15 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 15 days | 20 days | 16 days |
Planning a trip to Sapporo? Discover the best time to visit
Sapporo in September - FAQ
What are the expected maximum and minimum temperatures in Sapporo during September?
How much rainfall should be expected in Sapporo during September?
What are the typical wind conditions in Sapporo during September?
September rainfall patterns in Sapporo
UV exposure in Sapporo during September
What to pack to Sapporo in September?
Mild & changeable · highs around 21 °C, frequent showers
As you prepare for your trip to Sapporo 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, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Sapporo?Get accurate weather forecasts for Sapporo, located at latitude 43.067 and longitude 141.35. Stay updated with localized weather information tailored for Sapporo.