JapanAverage weather for Tokyo in September
It's warm in September in Tokyo with an average temperature of 27°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 19°C and 23°C.
Start of September
The month of September starts in Tokyo with hot temps, averaging around 29°C during the day and nights around 23°C. There are plenty of days with a good chance of precipitation.
Mid September
By mid-September, daytime temps drop to around 28°C, with nights around 22°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Tokyo is around 26°C, while nighttime temps are about 20°C. There’s a significant chance of many days with precipitation.
Because temperatures drop in the evening, wearing layers is recommended.
Water temperature
The water temperature at Tokyo is 23°C this month. Comfortable for a swim.
In September, there is an average of 232 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Tokyo in September |
New York | ||
|---|---|---|---|
 Average temperature |
27°C | 27°C | |
 Max. temperature |
30°C | 31°C | |
| Min. temperature |
25°C | -5°C | |
 Total precipitation |
232 mm | 57 mm | |
| Rainy days |
14 days | 9 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 Tokyo?
Looking for sun? September isn’t a good month to be in Tokyo. The temperature is nice, but there’s too much chance of rain.
The typhoon season in Tokyo runs from June to November.
Temperature records
With 35°C in 2019, Tokyo reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 18°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 27°C.
Check out the climate of Tokyo for all months and discover the best travel time
Curious about the weather in other parts of Japan? Check out the climate and weather for spots like Kyōto, Osaka, Hokkaido, or explore other destinations in Japan.
Daily Temperature in September in Tokyo
This chart shows the average daily high and low temperatures in September for Tokyo, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Tokyo
The chart below shows the average daily precipitation in September for Tokyo, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 14 days of precipitation in Tokyo.
Daily UV index in September in Tokyo
This chart shows the average daily UV index in September in Tokyo, 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 Tokyo over the years
This chart shows the average temperature in September in Tokyo, measured in degrees Celsius, over the past few years.
Total precipitation in September in Tokyo over the years
This chart shows the average precipitation in September in Tokyo, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Tokyo
Click on any day in September to get detailed info about the usual weather on that day in Tokyo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Tokyo
Have you been to Tokyo in September?
Share your weather experience in September in Tokyo.
Average weather in Tokyo by month
Click on a month below to see detailed weather info for Tokyo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
