Weather in Hakone for September 2025
In general, the average temperature in Hakone at the beginning of September is 25.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.9 °C by the end of September.
Hakone experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 295.7 mm.
Is September a good time to visit Hakone? check out the best time to travel to Hakone page.
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Hakone in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 27° | 2 25° | 3 24° | 4 25° | 5 25° | 6 25° | 7 25° |
8 25° | 9 26° | 10 27° | 11 26° | 12 26° | 13 27° | 14 27° |
15 25° | 16 25° | 17 26° | 18 26° | 19 26° | 20 26° | 21 24° |
22 24° | 23 24° | 24 24° | 25 22° | 26 23° | 27 24° | 28 23° |
29 22° | 30 22° |
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Temperatures trend during September in Hakone
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Moderate or heavy rain shower | 27° /20° | 7.3 mm | 6 | |
2 Sept. | Moderate or heavy rain shower | 25° /18° | 15.7 mm | 6 | |
3 Sept. | Light rain shower | 24° /18° | 12.5 mm | 6 | |
4 Sept. | Patchy rain possible | 25° /18° | 8.3 mm | 6 | |
5 Sept. | Patchy rain possible | 25° /18° | 1.2 mm | 6 | |
6 Sept. | Patchy rain possible | 25° /18° | 2.7 mm | 6 | |
7 Sept. | Sunny | 25° /19° | 10 mm | 6 | |
8 Sept. | Patchy rain possible | 25° /18° | 100.7 mm | 6 | |
9 Sept. | Moderate or heavy rain shower | 26° /18° | 14.2 mm | 6 | |
10 Sept. | Overcast | 27° /19° | 1.7 mm | 6 | |
11 Sept. | Moderate or heavy rain shower | 26° /20° | 2.6 mm | 6 | |
12 Sept. | Moderate rain at times | 26° /19° | 0.8 mm | 6 | |
13 Sept. | Sunny | 27° /20° | 0.1 mm | 7 | |
14 Sept. | Patchy rain possible | 27° /19° | 2.9 mm | 6 | |
15 Sept. | Moderate rain at times | 25° /19° | 3 mm | 6 | |
16 Sept. | Cloudy | 25° /18° | 6.7 mm | 6 | |
17 Sept. | Moderate rain at times | 26° /20° | 3.2 mm | 6 | |
18 Sept. | Moderate or heavy rain shower | 26° /20° | 26.7 mm | 6 | |
19 Sept. | Overcast | 26° /21° | 6.9 mm | 6 | |
20 Sept. | Partly cloudy | 26° /20° | 9.7 mm | 6 | |
21 Sept. | Cloudy | 24° /18° | 2.3 mm | 6 | |
22 Sept. | Light rain shower | 24° /18° | 7.1 mm | 5 | |
23 Sept. | Light rain shower | 24° /18° | 15.2 mm | 5 | |
24 Sept. | Patchy rain possible | 24° /17° | 7.3 mm | 5 | |
25 Sept. | Cloudy | 22° /16° | 0 mm | 6 | |
26 Sept. | Partly cloudy | 23° /17° | 3.2 mm | 6 | |
27 Sept. | Partly cloudy | 24° /17° | 8 mm | 6 | |
28 Sept. | Partly cloudy | 23° /17° | 7.5 mm | 6 | |
29 Sept. | Light rain shower | 22° /16° | 6.2 mm | 5 | |
30 Sept. | Patchy rain possible | 22° /16° | 1.9 mm | 5 | |
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Hakone in September - FAQ
What to pack to Hakone in September?
As you prepare for your trip to Hakone 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 Hakone, 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 Hakone
UV exposure in Hakone during September
Quick links
Get accurate weather forecasts for Hakone, located at latitude 35.189 and longitude 139.026. Stay updated with localized weather information tailored for Hakone.