Asahikawa
September
Weather in Asahikawa for September 2025
Your guide to Asahikawa weather in September - trends and predictions
In general, the average temperature in Asahikawa at the beginning of September is 23 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °C by the end of September.
Expect significant rainfall in Asahikawa during September, with an average of 18 rainy days.
Is September a good time to visit Asahikawa? check out the best time to travel to Asahikawa page.
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12
Dry days
18
Rainy days
0
Snow days
21°/13°
Temperatures
10 km/h
Avg max wind
81 %
Avg humidity
Asahikawa in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  24° | 3  24° | 4  24° | 5 25° | 6 22° | 7 20° |
| 8 23° | 9  24° | 10 25° | 11 24° | 12  22° | 13 22° | 14 18° |
| 15 19° | 16 21° | 17  22° | 18 23° | 19 21° | 20 17° | 21 16° |
| 22 17° | 23 17° | 24  18° | 25  19° | 26 21° | 27 20° | 28 18° |
| 29 18° | 30 20° |
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Temperatures trend during September in Asahikawa
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. | Moderate rain | 22° /16° | 5.5 mm | 5 | |
| 2 Sept. | Moderate or heavy rain shower | 24° /14° | 6.1 mm | 5 | |
| 3 Sept. | Sunny | 24° /13° | 0.3 mm | 6 | |
| 4 Sept. | Light rain shower | 24° /13° | 5.7 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 25° /15° | 14 mm | 6 | |
| 6 Sept. | Moderate or heavy rain shower | 22° /15° | 18.1 mm | 5 | |
| 7 Sept. | Light rain shower | 20° /11° | 0.6 mm | 5 | |
| 8 Sept. | Sunny | 23° /11° | 0 mm | 6 | |
| 9 Sept. | Overcast | 24° /13° | 0.1 mm | 5 | |
| 10 Sept. | Patchy rain possible | 25° /13° | 0.6 mm | 6 | |
| 11 Sept. | Patchy rain possible | 24° /16° | 3.3 mm | 6 | |
| 12 Sept. | Mist | 22° /15° | 0 mm | 5 | |
| 13 Sept. | Fog | 22° /12° | 3 mm | 5 | |
| 14 Sept. | Moderate rain | 18° /10° | 19.4 mm | 4 | |
| 15 Sept. | Fog | 19° /11° | 10.2 mm | 5 | |
| 16 Sept. | Overcast | 21° /10° | 0 mm | 5 | |
| 17 Sept. | Light drizzle | 22° /12° | 2.3 mm | 5 | |
| 18 Sept. | Light rain shower | 23° /14° | 6.9 mm | 5 | |
| 19 Sept. | Light rain shower | 21° /13° | 2.3 mm | 5 | |
| 20 Sept. | Light rain shower | 17° /10° | 3.3 mm | 4 | |
| 21 Sept. | Overcast | 16° /8° | 0.3 mm | 4 | |
| 22 Sept. | Sunny | 17° /7° | 0.1 mm | 5 | |
| 23 Sept. | Patchy rain possible | 17° /8° | 0.1 mm | 5 | |
| 24 Sept. | Partly cloudy | 18° /6° | 0 mm | 5 | |
| 25 Sept. | Cloudy | 19° /6° | 0 mm | 5 | |
| 26 Sept. | Patchy rain possible | 21° /10° | 1.9 mm | 6 | |
| 27 Sept. | Overcast | 20° /11° | 2.6 mm | 5 | |
| 28 Sept. | Moderate rain | 18° /11° | 14.2 mm | 4 | |
| 29 Sept. | Light rain shower | 18° /9° | 4.6 mm | 5 | |
| 30 Sept. | Patchy rain possible | 20° /10° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Asahikawa 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 Asahikawa forecast closer to your planned date for the most up-to-date weather information.
Asahikawa in September - FAQ
What are the expected maximum and minimum temperatures in Asahikawa 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 Asahikawa during September?
Significant rainfall exceeding 186.6 mm is expected in Asahikawa during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Asahikawa during September?
The average wind speed in Asahikawa during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Asahikawa in September?
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
- 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
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