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Weather in Asahikawa for September 2025

Your guide to Asahikawa weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Asahikawa has been nearly identical to the historical average, with a temperature of 22.7 °C (showing only a slight deviation of -0.5 °C).

  • Expect cooler weather in the next days in Asahikawa with the forecast suggesting a temperature of 20.7 °C, lower than the historical average.

  • 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 19.7 °C by the end of September.

    • Rain 🌧️

  • Asahikawa in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 125.5 mm.

    • More

  • Is September a good time to visit Asahikawa? check out the best time to travel to Asahikawa page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/12°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Asahikawa Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Moderate rain
24°
2
Moderate or heavy rain shower
23°
3
Sunny
23°
4
Sunny
24°
5
Moderate or heavy rain shower
25°
6
Moderate or heavy rain shower
23°
7
Light rain shower
20°
8
Sunny
24°
9
Patchy rain possible
23°
10
Patchy rain possible
24°
11
Light rain shower
23°
12
Mist
22°
13
Fog
23°
14
Moderate rain
18°
15
Patchy rain possible
25°
16
Sunny
23°
17
Patchy rain possible
20°
18
Patchy rain possible
18°
19
Patchy rain possible
20°
20
Sunny
19°
21
Sunny
21°
22
Patchy rain possible
21°
23
Patchy rain possible
20°
24
Patchy rain possible
20°
25
Sunny
20°
26
Sunny
21°
27
Partly cloudy
21°
28
Moderate rain
18°
29
Light rain shower
18°
30
Patchy rain possible
20°

Temperatures trend during September in Asahikawa

See the weather trend as well as the moving average line

September weather in Asahikawa day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate rain
Moderate rain
 24° /16° 5.4 mm 5
2 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 7.2 mm 5
3 Sept. Sunny
Sunny
 23° /14° 1.1 mm 6
4 Sept. Sunny
Sunny
 24° /12° 3.8 mm 6
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /14° 9.3 mm 6
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /14° 12 mm 5
7 Sept. Light rain shower
Light rain shower
 20° /12° 0.7 mm 5
8 Sept. Sunny
Sunny
 24° /12° 0.2 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 23° /13° 0.1 mm 5
10 Sept. Patchy rain possible
Patchy rain possible
 24° /14° 0.4 mm 5
11 Sept. Light rain shower
Light rain shower
 23° /15° 2.8 mm 5
12 Sept. Mist
Mist
 22° /13° 0 mm 5
13 Sept. Fog
Fog
 23° /12° 2.3 mm 5
14 Sept. Moderate rain
Moderate rain
 18° /10° 19.4 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
 25° /12° 0.2 mm 1.4
16 Sept. Sunny
Sunny
 23° /13° 0 mm 1.4
17 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 3.2 mm 0.9
18 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 4 mm 1.2
19 Sept. Patchy rain possible
Patchy rain possible
 20° /10° 0.1 mm 3
20 Sept. Sunny
Sunny
 19° /9° 0 mm 4
21 Sept. Sunny
Sunny
 21° /10° 0 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 1 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 20° /11° 0.6 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 20° /10° 0.6 mm 3
25 Sept. Sunny
Sunny
 20° /10° 0 mm 4
26 Sept. Sunny
Sunny
 21° /11° 0 mm 5
27 Sept. Partly cloudy
Partly cloudy
 21° /11° 0 mm 5
28 Sept. Moderate rain
Moderate rain
 18° /11° 14.2 mm 4
29 Sept. Light rain shower
Light rain shower
 18° /9° 4.6 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 20° /10° 0 mm 5
Next
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.
Change Month
‹
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Asahikawa weather in September vs August vs October

Compare September weather in Asahikawa with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures25°/17°21°/12°13°/6°
Rainfall147 mm125 mm188 mm
Snowfall0 cm0 cm4 cm
Wind9.5 km/h10.8 km/h12.5 km/h
Humidity85%78%79%
Rainy days19 days17 days16 days
Snow days0 days0 days3 days
Dry days12 days13 days12 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?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. 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 125.5 mm is expected in Asahikawa during September, occurring over more than 17 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 11 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

September rainfall patterns in Asahikawa

Explore the daily rainfall trends and prepare for Asahikawas September weather 💧

UV exposure in Asahikawa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates 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.

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