Weather in Wakkanai for September 2025
In general, the average temperature in Wakkanai at the beginning of September is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °C by the end of September.
The climate of Wakkanai in September is notably wet, with an average of 14 rainy days, and a total of 65.2 mm of precipitation.
Is September a good time to visit Wakkanai? check out the best time to travel to Wakkanai page.
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Wakkanai Weather September
Temperatures trend during September in Wakkanai
September weather in Wakkanai day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 23° /19° | 0 mm | 6 | |
| 2 Sept. |  Moderate rain at times | 21° /18° | 3.2 mm | 5 | |
| 3 Sept. |  Sunny | 23° /17° | 0 mm | 6 | |
| 4 Sept. | Sunny | 23° /18° | 0 mm | 6 | |
| 5 Sept. | Moderate rain at times | 21° /17° | 15.5 mm | 5 | |
| 6 Sept. | Sunny | 20° /17° | 8.7 mm | 6 | |
| 7 Sept. | Sunny | 23° /19° | 0 mm | 6 | |
| 8 Sept. |  Patchy rain possible | 22° /18° | 2.4 mm | 5 | |
| 9 Sept. | Partly cloudy | 20° /15° | 0 mm | 6 | |
| 10 Sept. |  Overcast | 22° /15° | 5.3 mm | 5 | |
| 11 Sept. | Partly cloudy | 21° /18° | 0 mm | 6 | |
| 12 Sept. | Sunny | 21° /18° | 0 mm | 6 | |
| 13 Sept. |  Heavy rain at times | 20° /14° | 1.6 mm | 5 | |
| 14 Sept. | Patchy rain possible | 17° /11° | 1.9 mm | 4 | |
| 15 Sept. | Patchy rain possible | 17° /11° | 3.8 mm | 4 | |
| 16 Sept. | Overcast | 20° /14° | 0 mm | 5 | |
| 17 Sept. | Patchy rain possible | 20° /16° | 1 mm | 5 | |
| 18 Sept. | Overcast | 20° /16° | 0 mm | 5 | |
| 19 Sept. |  Cloudy | 18° /12° | 0 mm | 4 | |
| 20 Sept. | Moderate rain at times | 17° /12° | 15 mm | 4 | |
| 21 Sept. | Patchy rain possible | 13° /10° | 0.3 mm | 3 | |
| 22 Sept. | Patchy rain possible | 14° /9° | 0.4 mm | 3 | |
| 23 Sept. | Sunny | 14° /9° | 0 mm | 4 | |
| 24 Sept. | Cloudy | 17° /8° | 0 mm | 4 | |
| 25 Sept. | Sunny | 19° /12° | 0 mm | 5 | |
| 26 Sept. | Overcast | 20° /12° | 0.2 mm | 5 | |
| 27 Sept. | Moderate rain at times | 18° /14° | 5.5 mm | 4 | |
| 28 Sept. | Patchy rain possible | 15° /13° | 0.3 mm | 4 | |
| 29 Sept. | Sunny | 18° /10° | 0 mm | 5 | |
| 30 Sept. | Patchy rain possible | 18° /13° | 0.1 mm | 4 | |
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Wakkanai in September - FAQ
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
UV exposure in Wakkanai during September
Quick links
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.