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Weather in Hakodate for September 2025

Your guide to Hakodate weather in September - trends and predictions
  • In general, the average temperature in Hakodate at the beginning of September is 24.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.

  • Expect significant rainfall in Hakodate during September, with an average of 17 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/18°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Hakodate in September average weather

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Temperatures trend during September in Hakodate

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
24° /20° 19 mm 6
2 Sept. Patchy light drizzle
Patchy light drizzle
25° /19° 13.2 mm 6
3 Sept. Partly cloudy
Partly cloudy
24° /18° 0 mm 6
4 Sept. Light rain shower
Light rain shower
24° /19° 2.5 mm 5
5 Sept. Light rain shower
Light rain shower
24° /21° 2.1 mm 5
6 Sept. Light rain shower
Light rain shower
25° /19° 3.5 mm 6
7 Sept. Sunny
Sunny
24° /17° 0.1 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
23° /17° 0.1 mm 6
9 Sept. Light rain shower
Light rain shower
24° /20° 1.1 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
25° /20° 0.3 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
25° /21° 1.4 mm 6
12 Sept. Overcast
Overcast
25° /19° 0 mm 6
13 Sept. Cloudy
Cloudy
24° /18° 0 mm 6
14 Sept. Moderate rain
Moderate rain
23° /17° 8.2 mm 5
15 Sept. Overcast
Overcast
22° /16° 2.1 mm 5
16 Sept. Overcast
Overcast
23° /16° 0 mm 5
17 Sept. Overcast
Overcast
23° /18° 0.1 mm 5
18 Sept. Light rain shower
Light rain shower
25° /19° 0.8 mm 6
19 Sept. Light rain shower
Light rain shower
24° /18° 3 mm 6
20 Sept. Overcast
Overcast
22° /14° 0.6 mm 5
21 Sept. Light rain
Light rain
17° /14° 6.6 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
19° /14° 7.4 mm 5
23 Sept. Light rain shower
Light rain shower
19° /13° 1.5 mm 5
24 Sept. Sunny
Sunny
18° /14° 0 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
21° /15° 1.5 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
22° /18° 4.1 mm 5
27 Sept. Patchy rain possible
Patchy rain possible
22° /17° 0.3 mm 5
28 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /16° 23.3 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
20° /15° 0.1 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
20° /15° 1.5 mm 5
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Important Notice
Our weather forecast for Hakodate 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 Hakodate forecast closer to your planned date for the most up-to-date weather information.

Hakodate in September - FAQ

What are the expected maximum and minimum temperatures in Hakodate during September?
During September, expect a variety of temperatures with highs around 23° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hakodate during September?
Significant rainfall exceeding 172.5 mm is expected in Hakodate during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hakodate during September?
The average wind speed in Hakodate during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Hakodate in September?

As you prepare for your trip to Hakodate 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 Hakodate, 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 Hakodate

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

UV exposure in Hakodate during September

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

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Location coordinates Where is Hakodate?

Get accurate weather forecasts for Hakodate, located at latitude 41.776 and longitude 140.737. Stay updated with localized weather information tailored for Hakodate.

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