September weather forecastYoshiwara, Japan
September
Weather in September
September, the first month of the autumn in Yoshiwara, is still a warm month, with an average temperature ranging between min 17°C (62.6°F) and max 24.5°C (76.1°F).Temperature
In Yoshiwara, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 28.3°C (82.9°F) to a still moderately hot 24.5°C (76.1°F). In Yoshiwara, the average temperature during the nights of September drops to a comfortable 17°C (62.6°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Yoshiwara, during September, the rain falls for 19.2 days and regularly aggregates up to 118mm (4.65") of precipitation. Throughout the year, there are 190.4 rainfall days, and 1315mm (51.77") of precipitation is accumulated.Snowfall
In Yoshiwara, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:17 and sunset at 18:12. On the last day of September, sunrise is at 05:39 and sunset at 17:31 JST.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yoshiwara, Japan
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 17°C
The month with the highest average low temperature is August (20.6°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in September
Yoshiwara, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Yoshiwara, Japan
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (9.6km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in September
Yoshiwara, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (67%).
Average rainfall in September
Yoshiwara, Japan
- Average rainfall in September: 118mm
The wettest month (with the highest rainfall) is July (202mm).
The driest month (with the least rainfall) is January (45mm).
Average rainfall days in September
Yoshiwara, Japan
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Yoshiwara, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (125mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Yoshiwara, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Yoshiwara, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in September
Yoshiwara, Japan
- Average sunshine days in September: 8 days
The month with the most sunshine days is January (19 days).
The month with the least sunshine days is August (4.5 days).
Average UV index in September
Yoshiwara, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Yoshiwara, Japan
- Average cloud cover in September: 34
The months with the most cloud cover are June and July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in September
Yoshiwara, Japan
- Average visibility in September: 9km
The months with the highest visibility are January and December (10km).
The month with the lowest visibility is July (8km).





