September weather forecastUratononoshima, Japan
September
Weather in September
September, the first month of the autumn in Uratononoshima, is still a warm month, with an average temperature ranging between max 24.1°C (75.4°F) and min 18.5°C (65.3°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of 27.7°C (81.9°F) in August to a still warm 24.1°C (75.4°F). Uratononoshima experiences a consistent average temperature of 18.5°C (65.3°F) throughout the nights in September.Humidity
In September, the average relative humidity in Uratononoshima is 79%.Rainfall
In Uratononoshima, during September, the rain falls for 13.6 days and regularly aggregates up to 92mm (3.62") of precipitation. In Uratononoshima, during the entire year, the rain falls for 134.2 days and collects up to 724mm (28.5") of precipitation.Snowfall
May through November are months without snowfall.Daylight
In Uratononoshima, Japan, the average length of the day in September is 12h and 27min.On the first day of September in Uratononoshima, sunrise is at 05:05 and sunset at 18:05. On the last day of the month, sunrise is at 05:30 and sunset at 17:20 JST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September in Uratononoshima is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Uratononoshima, Japan
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in September
Uratononoshima, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Uratononoshima, Japan
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in September
Uratononoshima, Japan
- Average humidity in September: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Uratononoshima, Japan
- Average rainfall in September: 92mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Uratononoshima, Japan
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Uratononoshima, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Uratononoshima, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Uratononoshima, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Uratononoshima, Japan
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Uratononoshima, 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, March and December (UV index 2).
Average cloud cover in September
Uratononoshima, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility in September
Uratononoshima, Japan
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).





