Lake Toya Weather in September

Lake Toya in September averages 22°C (72°F) during the day and 14°C (57°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Lake Toya in September

You can expect rain on roughly 18 days based on historical data, averaging 156 mm (6.1 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 Lake Toya in September

September in Lake Toya sees highs of 22°C (72°F) and lows of 14°C (57°F) overnight. September is in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 14°C (57°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 Lake Toya in September

The month brings about 161 hours of sunlight, offering a comfortable mix of sun and overcast.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Lake Toya.

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• 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 Lake Toya's climate page.

Lake Toya Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 58%  

Precipitation 156 mm (6.1 in)  

Rainy days 18 days  

Humidity 71% *  

Sunshine 161 hours *  

Percentage Sunshine *  

* Data from: Sapporo, Japan (69 KM, 43 Miles).

What to Wear in Lake Toya in September

For Lake Toya 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 Lake Toya in September

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

Swimming

6/10

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 Lake Toya's climate page.

More climate data for Lake Toya

Temperature Rainfall Sunshine Humidity

See the full Lake Toya climate overview or explore weather in Japan.