Otari weather in September (Nagano, Japan)

How is the weather in Otari in September? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In September, Otari typically experiences high temperatures and heavy rainfall. September falls within the summer season. Throughout the daytime, temperatures often hover around 23°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 15°C.

Otari in September falls under the rainy season with heavy rainfall, averaging around 306 mm for the month. Typically around 20 days of rainfall is expected.

The city usually sees around 115 hours of sunlight, indicating a moderately sunny period.

Should you favor a climate that's both dry and comfortably warm typically offer the most agreeable circumstances. On the other hand, tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Otari climate page with graphs.

 

Otari, monthly averages in September

Min Temperature 15°C  

Max Temperature 23°C  

Chance of Rain 66%  

Precipitation 306 mm  

Rainy days 20 days  

Sunshine 115 hours *  

Percentage Sunshine *  

* Data from: Hakuba, Japan (10 KM, 6 Miles).

Where to go in Japan in September

Find out more about the weather in Japan in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Otari in September?

For visitors traveling to Otari, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

7/10

Camping

6/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Otari.

Our site offers climate and forecast data for every country in the world. Are you going to Japan? On this website you can find historical weather averages for many cities in Japan. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.