Weather in Otaru-shi for September 2025
In general, the average temperature in Otaru-shi at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.1 °C by the end of September.
Expect significant rainfall in Otaru-shi during September, with an average of 18 rainy days.
Is September a good time to visit Otaru-shi? check out the best time to travel to Otaru-shi page.
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Otaru-shi in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 24° | 2 23° | 3 24° | 4 25° | 5 25° | 6 22° | 7 22° |
8 24° | 9 24° | 10 25° | 11 24° | 12 23° | 13 24° | 14 20° |
15 20° | 16 22° | 17 22° | 18 23° | 19 22° | 20 18° | 21 16° |
22 18° | 23 18° | 24 19° | 25 20° | 26 21° | 27 21° | 28 19° |
29 20° | 30 21° |
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Temperatures trend during September in Otaru-shi
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Partly cloudy | 24° /15° | 0 mm | 6 | |
2 Sept. | Patchy rain possible | 23° /15° | 1 mm | 5 | |
3 Sept. | Sunny | 24° /16° | 0.1 mm | 6 | |
4 Sept. | Light rain shower | 25° /15° | 1.4 mm | 6 | |
5 Sept. | Light rain shower | 25° /16° | 2.8 mm | 6 | |
6 Sept. | Moderate or heavy rain shower | 22° /17° | 11.8 mm | 5 | |
7 Sept. | Patchy rain possible | 22° /13° | 1.2 mm | 6 | |
8 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
9 Sept. | Cloudy | 24° /15° | 0 mm | 6 | |
10 Sept. | Light rain shower | 25° /16° | 1.1 mm | 6 | |
11 Sept. | Cloudy | 24° /16° | 3.8 mm | 6 | |
12 Sept. | Moderate rain | 23° /15° | 3.6 mm | 5 | |
13 Sept. | Mist | 24° /13° | 1 mm | 5 | |
14 Sept. | Moderate rain | 20° /13° | 15 mm | 5 | |
15 Sept. | Sunny | 20° /13° | 10.6 mm | 5 | |
16 Sept. | Overcast | 22° /12° | 0 mm | 5 | |
17 Sept. | Overcast | 22° /14° | 0.9 mm | 5 | |
18 Sept. | Light drizzle | 23° /15° | 1.7 mm | 6 | |
19 Sept. | Patchy rain possible | 22° /14° | 0.3 mm | 5 | |
20 Sept. | Patchy rain possible | 18° /12° | 2.2 mm | 4 | |
21 Sept. | Patchy rain possible | 16° /10° | 0.5 mm | 4 | |
22 Sept. | Sunny | 18° /9° | 0.3 mm | 5 | |
23 Sept. | Light rain shower | 18° /10° | 0.6 mm | 4 | |
24 Sept. | Cloudy | 19° /9° | 0 mm | 5 | |
25 Sept. | Patchy rain possible | 20° /10° | 0.1 mm | 5 | |
26 Sept. | Moderate rain at times | 21° /12° | 1.8 mm | 5 | |
27 Sept. | Partly cloudy | 21° /12° | 0.8 mm | 6 | |
28 Sept. | Light rain shower | 19° /13° | 25.8 mm | 4 | |
29 Sept. | Patchy rain possible | 20° /11° | 1 mm | 5 | |
30 Sept. | Cloudy | 21° /11° | 0 mm | 6 | |
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Otaru-shi in September - FAQ
What to pack to Otaru-shi in September?
As you prepare for your trip to Otaru-shi 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 Otaru-shi, 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
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Otaru-shi
UV exposure in Otaru-shi during September
Quick links
Get accurate weather forecasts for Otaru-shi, located at latitude 43.189 and longitude 141.002. Stay updated with localized weather information tailored for Otaru-shi.