easeweather.com
Units
°C
°F
Sapporo-shi
Forecast Today Tomorrow
more
Hokkaido JapanUnited States

Weather in Sapporo-shi for September 2025

Your guide to Sapporo-shi weather in September - trends and predictions
  • In general, the average temperature in Sapporo-shi at the beginning of September is 23.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.9 °C by the end of September.

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

  • Is September a good time to visit Sapporo-shi? check out the best time to travel to Sapporo-shi 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
21°/13°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Sapporo-shi in September average weather

Move between months or click on a day
Select a date

You can click on date

Access Sapporo-shi weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during September in Sapporo-shi

See the weather trend as well as the moving average line
Weather Expert

Are you interested in traveling to Sapporo-shi in September?

Leave your details and get the best deals for September. Speak with a holiday expert specializing in Sapporo-shi today.

September weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
24° /15° 10.4 mm 6
2 Sept. Moderate rain at times
Moderate rain at times
24° /15° 3.3 mm 5
3 Sept. Sunny
Sunny
25° /13° 0 mm 7
4 Sept. Light rain shower
Light rain shower
24° /12° 1.5 mm 6
5 Sept. Light rain shower
Light rain shower
25° /15° 2.6 mm 6
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /16° 14.1 mm 5
7 Sept. Patchy rain possible
Patchy rain possible
21° /12° 0.6 mm 6
8 Sept. Sunny
Sunny
24° /11° 0 mm 7
9 Sept. Partly cloudy
Partly cloudy
24° /15° 0 mm 6
10 Sept. Light rain shower
Light rain shower
24° /15° 0.9 mm 5
11 Sept. Overcast
Overcast
23° /15° 1.7 mm 5
12 Sept. Moderate rain at times
Moderate rain at times
23° /15° 1.8 mm 5
13 Sept. Fog
Fog
24° /13° 1.1 mm 6
14 Sept. Moderate rain
Moderate rain
19° /10° 9.4 mm 5
15 Sept. Sunny
Sunny
20° /11° 17.1 mm 5
16 Sept. Overcast
Overcast
21° /10° 0 mm 6
17 Sept. Overcast
Overcast
22° /13° 0.3 mm 5
18 Sept. Fog
Fog
24° /15° 1.4 mm 5
19 Sept. Patchy rain possible
Patchy rain possible
22° /14° 0.2 mm 5
20 Sept. Patchy rain possible
Patchy rain possible
19° /12° 1.5 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
15° /9° 0.8 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
18° /8° 0.2 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
17° /7° 0.5 mm 4
24 Sept. Partly cloudy
Partly cloudy
19° /7° 0 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
18° /8° 0.2 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
19° /11° 3.1 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
20° /12° 1.1 mm 5
28 Sept. Heavy rain
Heavy rain
18° /13° 32.7 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
19° /10° 0.6 mm 5
30 Sept. Partly cloudy
Partly cloudy
19° /9° 0 mm 5
Next
Important Notice
Our weather forecast for Sapporo-shi 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 Sapporo-shi forecast closer to your planned date for the most up-to-date weather information.

Sapporo-shi in September - FAQ

What are the expected maximum and minimum temperatures in Sapporo-shi during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sapporo-shi during September?
Significant rainfall exceeding 146.9 mm is expected in Sapporo-shi during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sapporo-shi during September?
The average wind speed in Sapporo-shi during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Sapporo-shi in September?

As you prepare for your trip to Sapporo-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 Sapporo-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long 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
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Sapporo-shi

Explore the daily rainfall trends and prepare for Sapporo-shis September weather 💧

UV exposure in Sapporo-shi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Sapporo-shi
Select a location for an accurate weather forecast
More Locations

Quick links

Location coordinates Where is Sapporo-shi?

Get accurate weather forecasts for Sapporo-shi, located at latitude 43.067 and longitude 141.35. Stay updated with localized weather information tailored for Sapporo-shi.

Found a mistake?
We appreciate your attention to details. Tell us here.