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Weather in Wakkanai for September 2025

Your guide to Wakkanai weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Rain Warning - See hour by hour.

    • Temperatures

  • The forecast for the next days in Wakkanai predicts temperatures to be around 21 °C, close to the historical average.

  • In general, the average temperature in Wakkanai at the beginning of September is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Wakkanai in September is notably wet, with an average of 11 rainy days, and a total of 65.2 mm of precipitation.

    • More

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

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

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/14°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Wakkanai Weather September

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

Temperatures trend during September in Wakkanai

See the weather trend as well as the moving average line

September weather in Wakkanai day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 23° /18° 8.5 mm 6
2 Sept. Moderate rain at times
Moderate rain at times
 21° /18° 3.2 mm 5
3 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 1.4 mm 1.1
4 Sept. Partly cloudy
Partly cloudy
 21° /17° 0 mm 1.4
5 Sept. Sunny
Sunny
 22° /19° 0 mm 1.4
6 Sept. Patchy rain possible
Patchy rain possible
 22° /19° 1 mm 1.5
7 Sept. Patchy rain possible
Patchy rain possible
 22° /19° 3 mm 5
8 Sept. Patchy rain possible
Patchy rain possible
 22° /19° 0.7 mm 5
9 Sept. Patchy rain possible
Patchy rain possible
 21° /18° 0.3 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 0.2 mm 4
11 Sept. Partly cloudy
Partly cloudy
 21° /16° 0 mm 5
12 Sept. Patchy rain possible
Patchy rain possible
 22° /18° 0.5 mm 4
13 Sept. Sunny
Sunny
 19° /16° 0 mm 5
14 Sept. Partly cloudy
Partly cloudy
 21° /15° 0 mm 5
15 Sept. Patchy rain possible
Patchy rain possible
 22° /20° 3.4 mm 5
16 Sept. Partly cloudy
Partly cloudy
 18° /17° 0.1 mm 5
17 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 1 mm 5
18 Sept. Overcast
Overcast
 20° /16° 0 mm 5
19 Sept. Cloudy
Cloudy
 18° /12° 0 mm 4
20 Sept. Moderate rain at times
Moderate rain at times
 17° /12° 15 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 13° /10° 0.3 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 0.4 mm 3
23 Sept. Sunny
Sunny
 14° /9° 0 mm 4
24 Sept. Cloudy
Cloudy
 17° /8° 0 mm 4
25 Sept. Sunny
Sunny
 19° /12° 0 mm 5
26 Sept. Overcast
Overcast
 20° /12° 0.2 mm 5
27 Sept. Moderate rain at times
Moderate rain at times
 18° /14° 5.5 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 15° /13° 0.3 mm 4
29 Sept. Sunny
Sunny
 18° /10° 0 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 18° /13° 0.1 mm 4
Next
Important Notice
Our weather forecast for Wakkanai 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 Wakkanai forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Wakkanai weather in September vs August vs October

Compare September weather in Wakkanai 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
Temperatures21°/17°19°/14°14°/9°
Rainfall231 mm65 mm98 mm
Wind21.4 km/h24.3 km/h27.9 km/h
Humidity89%73%71%
Rainy days20 days11 days16 days
Dry days11 days19 days15 days

Planning a trip to Wakkanai? Discover the best time to visit

Wakkanai in September - FAQ

What are the expected maximum and minimum temperatures in Wakkanai during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wakkanai during September?
Moderate rainfall is anticipated in Wakkanai during September, with a total of 65.2 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wakkanai during September?
The average wind speed in Wakkanai during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Wakkanai in September?

As you prepare for your trip to Wakkanai 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 Wakkanai, 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
    • 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 Wakkanai

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

UV exposure in Wakkanai during September

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

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Location coordinates Where is Wakkanai?

Get accurate weather forecasts for Wakkanai, located at latitude 45.409 and longitude 141.674. Stay updated with localized weather information tailored for Wakkanai.

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