Tomakomai Weather in September

September in Tomakomai averages 21°C (70°F) during the day and 16°C (61°F) at night. Quite a bit of rainfall is typical this month, with around 180 mm (7.1 in) on average. An umbrella is a good idea.

Rainfall in Tomakomai in September

Past climate data indicates that roughly 17 days will see rain, totalling around 180 mm (7.1 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 Tomakomai in September

If you're visiting Tomakomai in September, expect highs of 21°C (70°F) and overnight lows around 16°C (61°F). This month falls in the summer season. The difference between afternoon and evening temperatures is usually noticeable. At 16°C (61°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 Tomakomai in September

With about 161 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

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 Tomakomai's climate page.

Tomakomai Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 56%  

Precipitation 180 mm (7.1 in)  

Rainy days 17 days  

Humidity 71% *  

Sunshine 161 hours *  

Percentage Sunshine *  

* Data from: Sapporo, Japan (47 KM, 29 Miles).

What to Wear in Tomakomai in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Tomakomai 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 Tomakomai's climate page.

More climate data for Tomakomai

Temperature Rainfall Sunshine Humidity

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