Hakodate
September
Weather in Hakodate for September 2026
Your guide to Hakodate weather in September - trends and predictions
In general, the average temperature in Hakodate at the beginning of September is 23.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21 °C by the end of September.
Hakodate experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 106.5 mm.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
22°/17°
Temperatures
19 km/h
Avg max wind
77 %
Avg humidity
Hakodate Weather September
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Temperatures trend during September in Hakodate
See the weather trend as well as the moving average line
September weather in Hakodate day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 24° /19° | 9.6 mm | 5 | |
| 2 Sept. |  Sunny | 24° /18° | 6.9 mm | 6 | |
| 3 Sept. | Patchy rain possible | 23° /18° | 0.3 mm | 6 | |
| 4 Sept. |  Overcast | 23° /18° | 1 mm | 5 | |
| 5 Sept. | Light rain shower | 22° /19° | 1.4 mm | 5 | |
| 6 Sept. |  Moderate rain at times | 24° /18° | 1.9 mm | 6 | |
| 7 Sept. | Patchy rain possible | 23° /17° | 4.4 mm | 6 | |
| 8 Sept. | Sunny | 23° /17° | 0 mm | 6 | |
| 9 Sept. | Light rain shower | 24° /19° | 2 mm | 5 | |
| 10 Sept. | Patchy rain possible | 24° /19° | 0.1 mm | 5 | |
| 11 Sept. | Patchy rain possible | 23° /19° | 0.7 mm | 5 | |
| 12 Sept. | Overcast | 24° /18° | 5 mm | 6 | |
| 13 Sept. |  Partly cloudy | 24° /18° | 2.7 mm | 6 | |
| 14 Sept. | Overcast | 22° /16° | 3.4 mm | 5 | |
| 15 Sept. | Overcast | 22° /16° | 0.9 mm | 5 | |
| 16 Sept. | Overcast | 22° /16° | 0 mm | 5 | |
| 17 Sept. | Patchy rain possible | 23° /17° | 2.1 mm | 5 | |
| 18 Sept. | Moderate or heavy rain shower | 22° /17° | 8.1 mm | 5 | |
| 19 Sept. |  Cloudy | 23° /16° | 4.2 mm | 5 | |
| 20 Sept. | Sunny | 21° /13° | 15.3 mm | 5 | |
| 21 Sept. | Partly cloudy | 19° /13° | 2.7 mm | 4 | |
| 22 Sept. | Patchy rain possible | 20° /14° | 4.3 mm | 5 | |
| 23 Sept. | Moderate or heavy rain shower | 20° /15° | 6.9 mm | 5 | |
| 24 Sept. | Patchy rain possible | 20° /14° | 0.4 mm | 5 | |
| 25 Sept. | Patchy rain possible | 21° /15° | 5.4 mm | 5 | |
| 26 Sept. | Patchy rain possible | 22° /16° | 1.7 mm | 5 | |
| 27 Sept. | Patchy rain possible | 21° /16° | 0.1 mm | 5 | |
| 28 Sept. | Partly cloudy | 21° /16° | 9.3 mm | 5 | |
| 29 Sept. | Patchy rain possible | 21° /15° | 1.2 mm | 5 | |
| 30 Sept. | Patchy rain possible | 21° /15° | 4.5 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.
Change Month
Hakodate weather in September vs August vs October
Compare September weather in Hakodate 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 | 24°/20° | 22°/17° | 16°/10° |
| Rainfall | 222 mm | 107 mm | 101 mm |
| Wind | 19.8 km/h | 19.4 km/h | 21.4 km/h |
| Humidity | 86% | 77% | 71% |
| Rainy days | 30 days | 22 days | 21 days |
| Dry days | 1 days | 8 days | 10 days |
Planning a trip to Hakodate? Discover the best time to visit
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 22° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hakodate during September?
Significant rainfall exceeding 106.5 mm is expected in Hakodate during September, occurring over more than 22 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 trousers
- 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 💧
Typically, Hakodate has 22 rainy days in September with a total of 106.5 mm of rainfall.
UV exposure in Hakodate during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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