September weather forecastYose, Japan
September
Weather in September
The first month of the autumn, September, is still a warm month in Yose, Japan, with temperature in the range of an average low of 19.1°C (66.4°F) and an average high of 25.5°C (77.9°F).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from 29.9°C (85.8°F) to a still moderately hot 25.5°C (77.9°F). Yose throughout September, records an average low-temperature of 19.1°C (66.4°F).Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 18.3 days. Throughout September, 121mm (4.76") of precipitation is accumulated. In Yose, during the entire year, the rain falls for 187.4 days and collects up to 1055mm (41.54") of precipitation.Snowfall
In Yose, snow does not fall in April through October.Daylight
In September, the average length of the day in Yose is 12h and 25min.On the first day of September in Yose, sunrise is at 05:15 and sunset at 18:10. On the last day of the month, sunrise is at 05:37 and sunset at 17:28 JST.
Sunshine
In Yose, Japan, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yose, Japan
- Average high temperature in September: 25.5°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 (7.3°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is August (23.1°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average pressure in September
Yose, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Yose, Japan
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is April (11.2km/h).
The calmest month (with the lowest average wind speed) is November (8.7km/h).
Average humidity in September
Yose, Japan
- Average humidity in September: 77%
The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Yose, Japan
- Average rainfall in September: 121mm
The wettest month (with the highest rainfall) is October (154mm).
The driest month (with the least rainfall) is February (40mm).
Average rainfall days in September
Yose, Japan
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Yose, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Yose, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Yose, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in September
Yose, Japan
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in September
Yose, 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, February and December (UV index 2).
Average cloud cover in September
Yose, Japan
- Average cloud cover in September: 41
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Yose, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, November and December (10km).
The months with the lowest visibility are March, April, May, June, July, August, September and October (9km).





