Shiroishi Weather in September

September in Shiroishi brings high temperatures, with daytime highs of 25°C (77°F) and nights around 17°C (63°F). It's part of the rainy season, with 176 mm (6.9 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Shiroishi in September

As part of the rainy season, Shiroishi sees around 20 days of rain in September, with an average of 176 mm (6.9 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.

Temperature in Shiroishi in September

In September, Shiroishi gets high temperatures, with highs of 25°C (77°F). Nights cool to around 17°C (63°F). Summer occurs in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Shiroishi in September

The area enjoys a moderate level of sunlight, with around 127 hours. It's a good balance between sunny and rainy days.

If your ideal day consists of dry skies and pleasant temperatures, May, June, August and September typically offer the best circumstances for Shiroishi.

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

Shiroishi Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 66%  

Precipitation 176 mm (6.9 in)  

Rainy days 20 days  

Humidity 79% *  

Sunshine 127 hours *  

Percentage Sunshine 32% *  

* Data from: Sendai, Japan (41 KM, 25 Miles).

What to Wear in Shiroishi 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! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Shiroishi 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 Shiroishi's climate page.

More climate data for Shiroishi

Temperature Rainfall Sunshine Humidity

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