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Normal weather for Yokohama in September

It's warm in September in Yokohama with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 20°C and 24°C.

In September, there is an average of 261 mm of precipitation, spread over 22 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

After some sun? Then September isn’t the best time to be in Yokohama. The temperature is pleasant, but there’s too much chance of rain this month.

Yokohama in September

London
Temperature Average Temperature
28°C 20°C
Sun High Temp
30°C 22°C
Sun Low Temp
25°C 17°C
Rain Total Precipitation
261 mm 44 mm
Rain Rainy Days
22 days 8 days

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.

The typhoon season in Yokohama runs from June to November.

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Start of September

The month of September starts in Yokohama with hot temperatures, averaging around 29°C during the day and nights close to 24°C. Plenty of days with a chance of precipitation.

Mid-September

By mid-September, the average daytime temperature drops to around 28°C, with nights close to 23°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.

End of September

By the end of September, the average daytime temperature in Yokohama will be around 27°C, with nights close to 21°C. There’s a significant chance of many days with precipitation.

Temperature records

With 34°C, Yokohama hit the highest temperature in the last 10 years in September 2019. The lowest daytime temperature in this month was 17°C in 2018. The extreme night temperatures ranged from a low of 15°C to a high of 28°C.

Check out the climate of Yokohama 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.

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Daily Temperature in September in Yokohama

This chart shows the average daily temperatures, both day and night, for each day in September in Yokohama, 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 Temperature in September in Yokohama

Daily Precipitation in September in Yokohama

The chart below shows the average daily precipitation in September for Yokohama, 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 22 days of rain in Yokohama.

Daily Precipitation in September in Yokohama

Daily UV Index in September in Yokohama

This chart shows the average daily UV index in September in Yokohama, 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.

Daily UV Index in September in Yokohama

Temperature in September in Yokohama Over the Years

This chart shows the average temperature in September in Yokohama, measured in degrees Celsius, over the past years.

Temperature in September in Yokohama Over the Years

Total Precipitation in September in Yokohama Over the Years

This chart shows the average precipitation in September in Yokohama, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Precipitation in September in Yokohama Over the Years

Daily climate in September for Yokohama

Click on a specific day in September for detailed info on the typical weather on that day in Yokohama. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Yokohama

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Average Weather in Yokohama by Month

Click on a month below to see detailed weather info for Yokohama. 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 Yokohama for all months at once

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