Omachi Weather in September

September in Omachi brings high temperatures, with highs of 22°C (72°F) and nights dropping to 13°C (55°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Omachi in September

As part of the rainy season, Omachi sees around 19 days of rain in September, with an average of 295 mm (12 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Omachi in September

Temperatures in Omachi in September top out at 22°C (72°F) and drop to 13°C (55°F) overnight. September is in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 13°C (55°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 Omachi in September

The area enjoys a balanced 115 hours of sunlight, ensuring it's neither too rainy nor too sunny.

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

Omachi Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 63%  

Precipitation 295 mm (12 in)  

Rainy days 19 days  

Sunshine 115 hours *  

Percentage Sunshine *  

* Data from: Hakuba, Japan (21 KM, 13 Miles).

What to Wear in Omachi in September

For Omachi 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Omachi 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 Omachi's climate page.

More climate data for Omachi

Temperature Rainfall Sunshine

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