Itoigawa weather in September (Niigata Prefecture, Japan)

Wondering what the weather is like in Itoigawa during September? Thinking about a visit? Explore this page for a full overview of the weather conditions this month.

Temperatures

In September, Itoigawa usually has high temperatures and heavy rainfall. September is known for being in the summer season. During the day, temperatures can climb to about 25°C. At night, they may fall to a cooler 19°C.

Precipitation

Itoigawa in September falls under the rainy season with heavy rainfall, averaging around 270 mm for the month. Looking at the last 30 years, the data shows about 20 days with rain.

Average sunshine

The month brings about 128 hours of sunlight, offering a comfortable mix of sun and shade.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Itoigawa. May typically offers the best circumstances. While January, February, March, April, July, September, October, November and December tend to showcase less optimal conditions.

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

 

Itoigawa, monthly averages in September

Min Temperature 19°C  

Max Temperature 25°C  

Chance of Rain 66%  

Precipitation 270 mm  

Rainy days 20 days  

Sunshine 128 hours  

Percentage Sunshine  

Where to go in Japan in September

Find out more about the weather in Japan and which places have the best travel 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 this month?

For visitors traveling to Itoigawa, 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.

Swimming

7/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Itoigawa.

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 travel conditions. Find out where to go with our weather planner.