Isesaki Weather in September

Isesaki in September averages 27°C (81°F) during the day and 19°C (66°F) at night. This is the wettest month of the year, and part of the summer season.

Rainfall in Isesaki in September

Isesaki is in the rainy season in September, with rain on around 20 days and an average of 224 mm (8.8 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.

Temperature in Isesaki in September

In September, Isesaki sees high temperatures, with highs of 27°C (81°F). Nights drop to around 19°C (66°F). During September, the summer season is in full swing. This kind of day-to-night contrast is typical for this time of year. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Isesaki in September

The city usually sees around 163 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

For Isesaki itself, May generally stands out with the best 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 Isesaki's climate page.

Isesaki Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 67%  

Precipitation 224 mm (8.8 in)  

Rainy days 20 days  

Humidity 74% *  

Sunshine 163 hours *  

Percentage Sunshine *  

* Data from: Kōchi, Japan (56 KM, 35 Miles).

What to Wear in Isesaki in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Isesaki 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 Isesaki's climate page.

More climate data for Isesaki

Temperature Rainfall Sunshine Humidity

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