Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a warm 24.5°C (76.1°F) in August to an agreeable 20.5°C (68.9°F). Ashoro's average low-temperature for the month of September records at a cool 11°C (51.8°F).Humidity
In Ashoro, the average relative humidity in September is 83%.Rainfall
In Ashoro, Japan, in September, during 14 rainfall days, 69mm (2.72") of precipitation is typically accumulated. Throughout the year, there are 177.1 rainfall days, and 628mm (24.72") of precipitation is accumulated.Snowfall
In Ashoro, snow does not fall in June through October.Daylight
In September, the average length of the day in Ashoro is 12h and 31min.On the first day of September, sunrise is at 04:50 and sunset at 18:01. On the last day of the month, sunrise is at 05:22 and sunset at 17:09 JST.
Sunshine
The average sunshine in September in Ashoro is 7.4h.UV index
The average daily maximum UV index in September in Ashoro, Japan, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the usual temperature for Ashoro in September?
What is the average humidity in September in Ashoro?
How many days does it rain in September in Ashoro?
When it does not snow in Ashoro?
What is the average length of the day in September in Ashoro?
When is the sunrise / sunset in September in Ashoro?
How many hours of sunshine does Ashoro have in September?
What is the UV index reading in September in Ashoro?
Average temperature in September
Ashoro, Japan
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (-12.7°C).
Average pressure in September
Ashoro, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is October (1015.8mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in September
Ashoro, Japan
- Average wind speed in September: 7.1km/h
The windiest months (with the highest average wind speed) are April and December (9.9km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in September
Ashoro, Japan
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Ashoro, Japan
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Ashoro, Japan
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is October (10.5 days).
Average snowfall in September
Ashoro, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (207mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Ashoro, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ashoro, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Ashoro, Japan
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
Ashoro, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Ashoro, Japan
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 54).
The months with the least cloud cover are October and November (Cloud cover 33).
Average visibility in September
Ashoro, Japan
- Average visibility in September: 7km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January, February, March, June, July, August and September (7km).
Ashoro, Japan
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