Weather in Asahikawa for September 2026
In general, the average temperature in Asahikawa at the beginning of September is 23.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.9 °C by the end of September.
Asahikawa in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 119.3 mm.
Is September a good time to visit Asahikawa? check out the best time to travel to Asahikawa page.
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Asahikawa Weather September
Temperatures trend during September in Asahikawa
September weather in Asahikawa day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 24° /16° | 5.4 mm | 5 | |
| 2 Sept. |  Moderate or heavy rain shower | 23° /15° | 7.2 mm | 5 | |
| 3 Sept. |  Sunny | 23° /14° | 1.1 mm | 6 | |
| 4 Sept. | Sunny | 24° /12° | 3.8 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 25° /14° | 9.3 mm | 6 | |
| 6 Sept. | Moderate or heavy rain shower | 23° /14° | 12 mm | 5 | |
| 7 Sept. |  Light rain shower | 20° /12° | 0.7 mm | 5 | |
| 8 Sept. | Sunny | 24° /12° | 0.2 mm | 6 | |
| 9 Sept. | Patchy rain possible | 23° /13° | 0.1 mm | 5 | |
| 10 Sept. | Patchy rain possible | 24° /14° | 0.4 mm | 5 | |
| 11 Sept. | Light rain shower | 23° /15° | 2.8 mm | 5 | |
| 12 Sept. |  Mist | 22° /13° | 0 mm | 5 | |
| 13 Sept. | Fog | 23° /12° | 2.3 mm | 5 | |
| 14 Sept. | Moderate rain | 18° /11° | 20.2 mm | 4 | |
| 15 Sept. | Fog | 21° /11° | 6.9 mm | 5 | |
| 16 Sept. |  Overcast | 21° /11° | 0 mm | 5 | |
| 17 Sept. |  Light drizzle | 22° /12° | 1.9 mm | 5 | |
| 18 Sept. | Light rain shower | 21° /13° | 5.1 mm | 5 | |
| 19 Sept. | Patchy rain possible | 20° /11° | 1.6 mm | 4 | |
| 20 Sept. | Light rain shower | 17° /9° | 8.3 mm | 4 | |
| 21 Sept. | Overcast | 15° /8° | 7.6 mm | 3 | |
| 22 Sept. | Sunny | 17° /6° | 0.5 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /8° | 0.1 mm | 4 | |
| 24 Sept. | Overcast | 18° /7° | 0 mm | 4 | |
| 25 Sept. |  Cloudy | 18° /8° | 4 mm | 4 | |
| 26 Sept. | Patchy rain possible | 20° /10° | 2.7 mm | 5 | |
| 27 Sept. | Overcast | 20° /11° | 1.9 mm | 4 | |
| 28 Sept. | Moderate rain | 19° /10° | 9.5 mm | 5 | |
| 29 Sept. | Light rain shower | 17° /9° | 3.9 mm | 4 | |
| 30 Sept. | Patchy rain possible | 20° /9° | 0 mm | 5 | |
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Asahikawa weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 24°/16° | 20°/12° | 13°/5° |
| Rainfall | 159 mm | 119 mm | 151 mm |
| Snowfall | 0 cm | 0 cm | 9 cm |
| Wind | 9.9 km/h | 11.1 km/h | 12.6 km/h |
| Humidity | 85% | 78% | 78% |
| Rainy days | 27 days | 20 days | 14 days |
| Snow days | 0 days | 0 days | 8 days |
| Dry days | 4 days | 10 days | 9 days |
Planning a trip to Asahikawa? Discover the best time to visit
Asahikawa in September - FAQ
What are the expected maximum and minimum temperatures in Asahikawa during September?
How much rainfall should be expected in Asahikawa during September?
What are the typical wind conditions in Asahikawa during September?
September rainfall patterns in Asahikawa
UV exposure in Asahikawa during September
What to pack to Asahikawa in September?
Mild & changeable · highs around 20 °C, frequent showers
As you prepare for your trip to Asahikawa 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 Asahikawa, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Asahikawa?Get accurate weather forecasts for Asahikawa, located at latitude 43.771 and longitude 142.365. Stay updated with localized weather information tailored for Asahikawa.