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Kumamoto Shi (Kumamoto)
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Weather in Kumamoto Shi for September 2026

Your guide to Kumamoto Shi weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Kumamoto Shi at the beginning of September is 31.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 29.3 °C by the end of September.

    • Rain 🌧️

  • Kumamoto Shi in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 137.3 mm.

    • More

  • Is September a good time to visit Kumamoto Shi? check out the best time to travel to Kumamoto 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
31°/23°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Kumamoto Shi Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
32°
2
Overcast
31°
3
Overcast
33°
4
Patchy rain possible
29°
5
Cloudy
32°
6
Overcast
32°
7
Overcast
33°
8
Partly cloudy
33°
9
Sunny
33°
10
Patchy rain possible
29°
11
Overcast
33°
12
Cloudy
33°
13
Sunny
33°
14
Moderate rain at times
33°
15
Patchy rain possible
33°
16
Moderate or heavy rain shower
34°
17
Partly cloudy
33°
18
Patchy rain possible
32°
19
Partly cloudy
32°
20
Patchy rain possible
31°
21
Moderate or heavy rain shower
30°
22
Moderate or heavy rain shower
26°
23
Cloudy
29°
24
Cloudy
30°
25
Moderate or heavy rain shower
28°
26
Sunny
30°
27
Partly cloudy
30°
28
Patchy rain possible
30°
29
Patchy rain possible
29°
30
Patchy rain possible
28°

Temperatures trend during September in Kumamoto Shi

See the weather trend as well as the moving average line

September weather in Kumamoto Shi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 32° /23° 0.2 mm 8
2 Sept. Overcast
Overcast
 31° /23° 0 mm 7
3 Sept. Overcast
Overcast
 33° /24° 0.1 mm 8
4 Sept. Patchy rain possible
Patchy rain possible
 29° /23° 27 mm 7
5 Sept. Cloudy
Cloudy
 32° /23° 0.4 mm 7
6 Sept. Overcast
Overcast
 32° /24° 0 mm 8
7 Sept. Overcast
Overcast
 33° /24° 0.1 mm 7
8 Sept. Partly cloudy
Partly cloudy
 33° /24° 0.6 mm 8
9 Sept. Sunny
Sunny
 33° /24° 0.7 mm 8
10 Sept. Patchy rain possible
Patchy rain possible
 29° /25° 7.3 mm 7
11 Sept. Overcast
Overcast
 33° /24° 3.4 mm 8
12 Sept. Cloudy
Cloudy
 33° /24° 1.7 mm 8
13 Sept. Sunny
Sunny
 33° /23° 2.2 mm 8
14 Sept. Moderate rain at times
Moderate rain at times
 33° /24° 1.9 mm 7
15 Sept. Patchy rain possible
Patchy rain possible
 33° /25° 0.5 mm 8
16 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /25° 5.5 mm 8
17 Sept. Partly cloudy
Partly cloudy
 33° /24° 2.5 mm 8
18 Sept. Patchy rain possible
Patchy rain possible
 32° /23° 4.7 mm 7
19 Sept. Partly cloudy
Partly cloudy
 32° /24° 0.9 mm 8
20 Sept. Patchy rain possible
Patchy rain possible
 31° /24° 5.1 mm 7
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 30° /23° 10.1 mm 7
22 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /23° 40.6 mm 6
23 Sept. Cloudy
Cloudy
 29° /21° 2.2 mm 7
24 Sept. Cloudy
Cloudy
 30° /21° 3.4 mm 7
25 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /22° 6.6 mm 6
26 Sept. Sunny
Sunny
 30° /21° 0 mm 8
27 Sept. Partly cloudy
Partly cloudy
 30° /22° 0.2 mm 7
28 Sept. Patchy rain possible
Patchy rain possible
 30° /22° 1.9 mm 7
29 Sept. Patchy rain possible
Patchy rain possible
 29° /21° 7.1 mm 7
30 Sept. Patchy rain possible
Patchy rain possible
 28° /20° 0.6 mm 7
Next
Important Notice
Our weather forecast for Kumamoto 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 Kumamoto Shi forecast closer to your planned date for the most up-to-date weather information.
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Kumamoto Shi weather in September vs August vs October

Compare September weather in Kumamoto Shi with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures33°/25°31°/23°26°/18°
Rainfall379 mm137 mm98 mm
Wind13.5 km/h10.7 km/h10.4 km/h
Humidity72%74%71%
Rainy days24 days17 days15 days
Dry days7 days13 days16 days

Planning a trip to Kumamoto Shi? Discover the best time to visit

Kumamoto Shi in September - FAQ

What are the expected maximum and minimum temperatures in Kumamoto Shi during September?

During September, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.

How much rainfall should be expected in Kumamoto Shi during September?

Significant rainfall exceeding 137.3 mm is expected in Kumamoto 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 Kumamoto Shi during September?

The average wind speed in Kumamoto Shi during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Kumamoto Shi in September?

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

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

September rainfall patterns in Kumamoto Shi

Explore the daily rainfall trends and prepare for Kumamoto Shis September weather 💧
Typically, Kumamoto Shi has 17 rainy days in September with a total of 137.3 mm of rainfall.

UV exposure in Kumamoto Shi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Kumamoto Shi?

Get accurate weather forecasts for Kumamoto Shi, located at latitude 32.806 and longitude 130.692. Stay updated with localized weather information tailored for Kumamoto Shi.

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