Minami Aso Weather in September

September in Minami Aso averages 28°C (82°F) during the day and 18°C (64°F) at night. Quite a bit of rainfall is typical this month, with around 187 mm (7.4 in) on average. An umbrella is a good idea.

Rainfall in Minami Aso in September

Past climate data indicates that roughly 18 days will see rain, totalling around 187 mm (7.4 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Minami Aso in September

In September, expect high temperatures in Minami Aso, with highs of 28°C (82°F) and lows of 18°C (64°F) at night. This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Minami Aso in September

The area enjoys a balanced 177 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Should you favor a climate that's both dry and comfortably warm, April, May and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Japan, check out our Minami Aso's climate page.

Minami Aso Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 59%  

Precipitation 187 mm (7.4 in)  

Rainy days 18 days  

Humidity 71% *  

Sunshine 177 hours *  

Percentage Sunshine *  

* Data from: Kumamoto, Japan (29 KM, 18 Miles).

What to Wear in Minami Aso in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Minami Aso in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Minami Aso's climate page.

More climate data for Minami Aso

Temperature Rainfall Sunshine Humidity

See the full Minami Aso climate overview or explore weather in Japan.