Rishiri Island Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Rishiri Island, Japan in September.

Are you planning a trip a to Rishiri Island, Japan in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Rishiri Island in September

Rishiri Island, Japan is a region in Japan. September in Rishiri Island generally has pleasant temperatures, with high precipitation. During September, summer is in full swing.

Temperatures

You can expect pleasant maximum daytime temperatures of around 20°C (68°F) and nighttime temperatures around 17°C (63°F) in Rishirifuji.

For specific regional insights in Rishiri Island, Japan, refer to the map provided below.

Precipitation

September is a rainy month with an average rainfall of around 144 mm (5.7 in) in Rishirifuji.

Average sunshine

Sunshine is fairly consistent across many areas. Rishirifuji receives about 177 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Rishiri Island by month

Best Places to Visit in Rishiri Island in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Rishiri Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Rishiri Island

What is the weather like in September for some of the most popular destinations in Rishiri Island, Japan?

Temperature range in Rishiri Island (September)

Precipitation variation in Rishiri Island (September)

Rishirifuji

In September Rishirifuji generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
15°C (59°F)
Min temperature
19°C (66°F)
17°C (63°F)
11°C (52°F)
Monthly sun hours
165 hours
177 hours
139 hours
Monthly rainfall
125 mm (4.9 in)
144 mm (5.7 in)
133 mm (5.2 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions

Kutsugata

In September Kutsugata generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
15°C (59°F)
Min temperature
19°C (66°F)
17°C (63°F)
11°C (52°F)
Monthly sun hours
165 hours
177 hours
139 hours
Monthly rainfall
122 mm (4.8 in)
140 mm (5.5 in)
128 mm (5 in)
Monthly rainy days
18 days
17 days
20 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Rishiri Island, in Japan.

Popular cities in September

Day & night temperatures, rainfall and average weather in Rishiri Island in September.

City Weather Day temp Night temp Rainfall
Rishirifuji 20°C (68°F) 17°C (63°F) 144 mm (5.7 in)
Kutsugata 20°C (68°F) 17°C (63°F) 140 mm (5.5 in)

Rishiri Island weather in September: frequently asked questions

What is the weather like in Rishiri Island, Japan in September?

Rishiri Island, Japan typically experiences pleasant weather in September, part of the summer season. Daytime highs in Rishirifuji average around 20°C (68°F), and temperatures drop to about 17°C (63°F) at night.

What is the average temperature in Rishiri Island, Japan in September?

Average temperatures in Rishiri Island, Japan during September range from a nighttime low near 17°C (63°F) to a daytime high around 20°C (68°F) in Rishirifuji.

Does Rishiri Island, Japan get a lot of rain in September?

Rishiri Island, Japan sees substantial rainfall in September. Rishirifuji typically averages about 144 mm (5.7 in), a mix of wet and dry days, but bring an umbrella.

Is September a Good Time to Visit Rishiri Island, Japan?

We believe that September is one of the best times to visit Rishiri Island, Japan with overall pleasant weather in Rishirifuji. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Rishiri Island, Japan is in August and September with generally pleasant weather in Rishirifuji. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Rishiri Island.

Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed 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.

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