Wakkanai
September
Weather in Wakkanai for September 2026
Your guide to Wakkanai weather in September - trends and predictions
In general, the average temperature in Wakkanai at the beginning of September is 21.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 18.7 °C by the end of September.
Wakkanai in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 86.5 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
20
Rainy days
0
Snow days
20°/15°
Temperatures
28 km/h
Avg max wind
75 %
Avg humidity
Wakkanai Weather September
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Temperatures trend during September in Wakkanai
See the weather trend as well as the moving average line
September weather in Wakkanai day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 23° /18° | 8.5 mm | 6 | |
| 2 Sept. |  Moderate rain at times | 20° /17° | 1.8 mm | 5 | |
| 3 Sept. |  Sunny | 22° /16° | 1.7 mm | 6 | |
| 4 Sept. | Sunny | 22° /17° | 0 mm | 6 | |
| 5 Sept. | Moderate rain at times | 22° /18° | 7.8 mm | 5 | |
| 6 Sept. | Sunny | 21° /18° | 4.7 mm | 6 | |
| 7 Sept. | Sunny | 22° /18° | 4.5 mm | 6 | |
| 8 Sept. |  Patchy rain possible | 22° /17° | 2.8 mm | 5 | |
| 9 Sept. | Partly cloudy | 21° /17° | 4.5 mm | 6 | |
| 10 Sept. |  Overcast | 22° /17° | 3.5 mm | 5 | |
| 11 Sept. | Partly cloudy | 21° /17° | 1.2 mm | 6 | |
| 12 Sept. | Sunny | 21° /17° | 0 mm | 6 | |
| 13 Sept. |  Heavy rain at times | 21° /15° | 0.9 mm | 5 | |
| 14 Sept. | Patchy rain possible | 18° /13° | 8 mm | 4 | |
| 15 Sept. | Patchy rain possible | 20° /14° | 3.3 mm | 5 | |
| 16 Sept. | Overcast | 21° /16° | 1.7 mm | 6 | |
| 17 Sept. | Patchy rain possible | 21° /16° | 3.2 mm | 5 | |
| 18 Sept. | Overcast | 19° /15° | 0.2 mm | 5 | |
| 19 Sept. |  Cloudy | 18° /13° | 0.1 mm | 4 | |
| 20 Sept. | Moderate rain at times | 18° /12° | 7.8 mm | 4 | |
| 21 Sept. | Patchy rain possible | 14° /11° | 7 mm | 3 | |
| 22 Sept. | Patchy rain possible | 16° /10° | 1.1 mm | 4 | |
| 23 Sept. | Sunny | 17° /11° | 0.2 mm | 4 | |
| 24 Sept. | Cloudy | 18° /11° | 0.1 mm | 4 | |
| 25 Sept. | Sunny | 19° /13° | 6.9 mm | 5 | |
| 26 Sept. | Overcast | 20° /14° | 1.1 mm | 5 | |
| 27 Sept. | Moderate rain at times | 19° /15° | 2.9 mm | 5 | |
| 28 Sept. | Patchy rain possible | 18° /16° | 0.8 mm | 5 | |
| 29 Sept. | Sunny | 19° /11° | 0.4 mm | 5 | |
| 30 Sept. | Patchy rain possible | 18° /12° | 0 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
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.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 21°/17° | 20°/15° | 13°/8° |
| Rainfall | 207 mm | 87 mm | 108 mm |
| Snowfall | 0 cm | 0 cm | 0 cm |
| Wind | 23.6 km/h | 27.9 km/h | 30.5 km/h |
| Humidity | 87% | 75% | 69% |
| Rainy days | 18 days | 20 days | 17 days |
| Snow days | 0 days | 0 days | 2 days |
| Dry days | 13 days | 10 days | 12 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?
During September, expect a variety of temperatures with highs around 20° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Wakkanai during September?
Moderate rainfall is anticipated in Wakkanai during September, with a total of 86.5 mm spread over approximately 20 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 28 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
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Wakkanai
Explore the daily rainfall trends and prepare for Wakkanais September weather 💧
Typically, Wakkanai has 20 rainy days in September with a total of 86.5 mm of rainfall.
UV exposure in Wakkanai during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
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