Okutama Weather in September

September in Okutama sees daytime temperatures around 25°C (77°F) and lows of 17°C (63°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.

Rainfall in Okutama in September

Okutama is in the rainy season in September, with rain on around 20 days and an average of 274 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Okutama in September

Daytime temperatures in Okutama reach 25°C (77°F) in September, dropping to 17°C (63°F) at night. The month of September belongs to the summer season. Overall, the month follows a fairly predictable daily temperature pattern. At 17°C (63°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 Okutama in September

The city usually sees around 152 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Okutama. Our weather planner can help you explore destinations with more pleasant weather conditions.

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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 Okutama's climate page.

Okutama Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 65%  

Precipitation 274 mm (11 in)  

Rainy days 20 days  

Humidity 71% *  

Sunshine 152 hours *  

Percentage Sunshine *  

* Data from: Yamanashi, Japan (39 KM, 24 Miles).

What to Wear in Okutama in September

For Okutama 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Okutama 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 Okutama's climate page.

More climate data for Okutama

Temperature Rainfall Sunshine Humidity

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