Hokkaido (Sapporo)
September
Weather in Hokkaido for September 2027
Your guide to Hokkaido weather in September - trends and predictions
In general, the average temperature in Hokkaido at the beginning of September is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.9 °C by the end of September.
Hokkaido experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 116.9 mm.
Is September a good time to visit Hokkaido? check out the best time to travel to Hokkaido page.
✨ Is September a good time to visit Hokkaido? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
21°/12°
Temperatures
14 km/h
Avg max wind
78 %
Avg humidity
Hokkaido Weather September
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What’s the Weather Like in Hokkaido This September?
Discover the average temperatures and weather trends across Hokkaido’s cities this September.
Temperatures trend during September in Hokkaido
See the weather trend as well as the moving average line
September weather in Hokkaido day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 22° /15° | 5 mm | 5 | |
| 2 Sept. | Light rain | 21° /15° | 3.8 mm | 4 | |
| 3 Sept. | Light rain | 22° /14° | 3.2 mm | 5 | |
| 4 Sept. |  Sunny | 22° /13° | 0.9 mm | 5 | |
| 5 Sept. |  Patchy rain possible | 22° /14° | 1.8 mm | 5 | |
| 6 Sept. | Light rain | 23° /15° | 4.7 mm | 5 | |
| 7 Sept. | Patchy rain possible | 21° /14° | 1 mm | 5 | |
| 8 Sept. | Sunny | 23° /13° | 0.3 mm | 5 | |
| 9 Sept. | Patchy rain possible | 22° /15° | 0.8 mm | 5 | |
| 10 Sept. | Sunny | 23° /14° | 0.3 mm | 5 | |
| 11 Sept. |  Cloudy | 23° /14° | 0.8 mm | 5 | |
| 12 Sept. | Patchy rain possible | 22° /13° | 2 mm | 5 | |
| 13 Sept. | Light rain | 22° /14° | 2.7 mm | 5 | |
| 14 Sept. | Light rain | 20° /12° | 4.5 mm | 4 | |
| 15 Sept. | Light rain | 21° /11° | 5.7 mm | 5 | |
| 16 Sept. |  Overcast | 21° /11° | 0.1 mm | 5 | |
| 17 Sept. | Overcast | 21° /14° | 0.3 mm | 5 | |
| 18 Sept. |  Moderate or heavy rain shower | 21° /14° | 8.1 mm | 5 | |
| 19 Sept. | Light rain | 20° /13° | 6.4 mm | 4 | |
| 20 Sept. |  Moderate rain | 18° /12° | 18.2 mm | 4 | |
| 21 Sept. | Light rain | 17° /10° | 5.2 mm | 4 | |
| 22 Sept. | Patchy rain possible | 19° /10° | 1.4 mm | 4 | |
| 23 Sept. | Moderate or heavy rain shower | 18° /11° | 8.1 mm | 4 | |
| 24 Sept. | Light rain | 19° /10° | 3.7 mm | 4 | |
| 25 Sept. | Light rain | 18° /10° | 2.6 mm | 4 | |
| 26 Sept. | Patchy rain possible | 19° /11° | 1.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 20° /11° | 1.8 mm | 5 | |
| 28 Sept. | Moderate rain | 19° /12° | 13.2 mm | 5 | |
| 29 Sept. | Patchy rain possible | 18° /11° | 1.2 mm | 4 | |
| 30 Sept. | Light rain | 19° /11° | 8 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Hokkaido 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 Hokkaido forecast closer to your planned date for the most up-to-date weather information.
Change Month
Hokkaido weather in September vs August vs October
Compare September weather in Hokkaido 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 | 25°/17° | 21°/12° | 13°/6° |
| Rainfall | 186 mm | 117 mm | 131 mm |
| Snowfall | 0 cm | 0 cm | 0 cm |
| Wind | 13.2 km/h | 13.7 km/h | 15.5 km/h |
| Humidity | 84% | 78% | 76% |
| Rainy days | 16 days | 10 days | 15 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 15 days | 20 days | 16 days |
Planning a trip to Hokkaido? Discover the best time to visit
Hokkaido in September - FAQ
What are the expected maximum and minimum temperatures in Hokkaido during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hokkaido during September?
Significant rainfall exceeding 116.9 mm is expected in Hokkaido during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hokkaido during September?
The average wind speed in Hokkaido during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Hokkaido
Explore the daily rainfall trends and prepare for Hokkaidos September weather 💧
Typically, Hokkaido has 10 rainy days in September with a total of 116.9 mm of rainfall.
UV exposure in Hokkaido during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Hokkaido in September?
Mild & changeable · highs around 21 °C, frequent showers
As you prepare for your trip to Hokkaido 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 Hokkaido, during September, is comfortable and enjoyable, regardless of the weather conditions.
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