September weather forecastTsunoshima, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Tsunoshima, Japan, with temperature in the range of an average high of 26.4°C (79.5°F) and an average low of 21.3°C (70.3°F).Temperature
Tsunoshima's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 29.9°C (85.8°F) in August to a still moderately hot 26.4°C (79.5°F). In September, the average low-temperature records at a pleasant 21.3°C (70.3°F) during the nights.Humidity
In September, the average relative humidity in Tsunoshima, Japan, is 78%.Rainfall
In Tsunoshima, during September, the rain falls for 12.8 days and regularly aggregates up to 79mm (3.11") of precipitation. In Tsunoshima, Japan, during the entire year, the rain falls for 167.1 days and collects up to 1059mm (41.69") of precipitation.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in September in Tsunoshima is 12h and 24min.On the first day of the month, sunrise is at 05:49 and sunset at 18:43. On the last day of September, sunrise is at 06:10 and sunset at 18:02 JST.
Sunshine
In Tsunoshima, the average sunshine in September is 8.6h.UV index
In Tsunoshima, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during September leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tsunoshima, Japan
- Average high temperature in September: 26.4°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (5.1°C).
Average pressure in September
Tsunoshima, Japan
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in September
Tsunoshima, Japan
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is June (10km/h).
Average humidity in September
Tsunoshima, Japan
- Average humidity in September: 78%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and February (69%).
Average rainfall in September
Tsunoshima, Japan
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is July (214mm).
The driest months (with the least rainfall) are January and November (48mm).
Average rainfall days in September
Tsunoshima, Japan
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is May (9.5 days).
Average snowfall in September
Tsunoshima, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Tsunoshima, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Tsunoshima, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Tsunoshima, Japan
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is May (20.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Tsunoshima, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Tsunoshima, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Tsunoshima, Japan
- Average visibility in September: 10km
The months with the highest visibility are February, March, September, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July and August (9km).
