Shimo-suwa Weather in September

September in Shimo-suwa typically sees daytime highs of 24°C (75°F) and nighttime lows of 15°C (59°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Shimo-suwa in September

You can expect rain on around 19 days based on historical patterns, with 179 mm (7 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Shimo-suwa in September

Temperatures in Shimo-suwa in September top out at 24°C (75°F) and drop to 15°C (59°F) overnight. September is part of the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Shimo-suwa in September

You can expect a moderate amount of sunlight, with approximately 142 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, August and September typically offer the best weather for Shimo-suwa.

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

Shimo-suwa Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 63%  

Precipitation 179 mm (7 in)  

Rainy days 19 days  

Humidity 72% *  

Sunshine 142 hours *  

Percentage Sunshine *  

* Data from: Kofu, Japan (64 KM, 40 Miles).

What to Wear in Shimo-suwa in September

For Shimo-suwa in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Shimo-suwa in September

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

Swimming

7/10

Camping

6/10

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 Shimo-suwa's climate page.

More climate data for Shimo-suwa

Temperature Rainfall Sunshine Humidity

See the full Shimo-suwa climate overview or explore weather in Japan.