Temperatures in September
It's warm in September in Onagawa Chō with an average temperature of 26°C. Temperatures this month range from a low of 23°C to a high of 28°C. At night, you can expect temperatures between 17°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Onagawa Chō in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Onagawa Chō with hot temperatures, averaging around 27°C during the day and nights close to 22°C. Plenty of days with a chance of precipitation.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature drops to around 26°C, with nights close to 20°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Onagawa Chō will be around 25°C, with nights close to 18°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in September
In September, there is an average of 160 mm of precipitation, spread over 11 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The average precipitation chance is 38% per day this month. The weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Onagawa Chō. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Onagawa Chō in September |
London | ||
|---|---|---|---|
 Average Temperature |
26°C | 20°C | |
 High Temp |
28°C | 22°C | |
| Low Temp |
23°C | 17°C | |
 Total Precipitation |
160 mm | 44 mm | |
| Rainy Days |
11 days | 8 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Onagawa Chō?
After some sun? Then September isn’t the best time to be in Onagawa Chō. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Onagawa Chō runs from June to November.
Temperature records for Onagawa Chō in September
With 34°C, Onagawa Chō hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 15°C in 2018. The extreme night temperatures ranged from a low of 7°C to a high of 27°C.
Check out the climate of Onagawa Chō for all months and discover the best travel time
Curious about the climate in other parts of Japan? Check out the weather and climate in places like Tokyo, Kyōto, Osaka, or have a look at other destinations in Japan.
Daily Temperature in September in Onagawa Chō
This chart shows the average daily temperatures, both day and night, for each day in September in Onagawa Chō, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Onagawa Chō
The chart below shows the average daily precipitation in September for Onagawa Chō, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 11 days of rain in Onagawa Chō.
Daily UV Index in September in Onagawa Chō
This chart shows the average daily UV index in September in Onagawa Chō, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Onagawa Chō Over the Years
This chart shows the average temperature in September in Onagawa Chō, measured in degrees Celsius, over the past years.
Total Precipitation in September in Onagawa Chō Over the Years
This chart shows the average precipitation in September in Onagawa Chō, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Onagawa Chō
Click on a specific day in September for detailed info on the typical weather on that day in Onagawa Chō. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Onagawa Chō
Have you been to Onagawa Chō in September?
Share your weather experience in September in Onagawa Chō.
Average Weather in Onagawa Chō by Month
Click on a month below to see detailed weather info for Onagawa Chō. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Onagawa Chō for all months at once
