Kusatsu Weather in September

September in Kusatsu brings high temperatures, with daytime highs of 29°C (84°F) and nights around 20°C (68°F). Quite a bit of rainfall is expected, around 177 mm (7 in), so pack an umbrella.

Rainfall in Kusatsu in September

Past climate data indicates that roughly 18 days will see rain, totalling around 177 mm (7 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Kusatsu in September

In September, Kusatsu sees high temperatures, with highs of 29°C (84°F). Nights drop to around 20°C (68°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Kusatsu in September

The area enjoys a moderate level of sunlight, with around 140 hours. It's a good balance between sunny and cloudy days.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 Kusatsu's climate page.

Kusatsu Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 60%  

Precipitation 177 mm (7 in)  

Rainy days 18 days  

Humidity 68% *  

Sunshine 140 hours *  

Percentage Sunshine *  

* Data from: Kyoto, Japan (18 KM, 11 Miles).

What to Wear in Kusatsu in September

Warm but pleasant conditions in Kusatsu in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Kusatsu 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 Kusatsu's climate page.

More climate data for Kusatsu

Temperature Rainfall Sunshine Humidity

See the full Kusatsu climate overview or explore weather in Japan.