Tonami Weather in September

With daytime temperatures of 27°C (81°F) and nighttime lows of 18°C (64°F), September in Tonami brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Tonami in September

Tonami is in the rainy season in September, with rain on around 19 days and an average of 265 mm (10 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.

Temperature in Tonami in September

In September, Tonami sees high temperatures, with highs of 27°C (81°F). Nights drop to around 18°C (64°F). The month of September belongs to the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 18°C (64°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.

September in Tonami has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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 Tonami's climate page.

Tonami Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 65%  

Precipitation 265 mm (10 in)  

Rainy days 19 days  

What to Wear in Tonami 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.

What To Do in Tonami in September

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

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 Tonami's climate page.

More climate data for Tonami

Temperature Rainfall

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