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
September
Weather in September
Temperature
September is characterized by a slight reduction in average high-temperature, easing from a moderately hot 24.4°C (75.9°F) in August to a pleasant 20.4°C (68.7°F). An average nighttime temperature of 11.1°C (52°F) is recorded during September.Humidity
In September, the average relative humidity in Ashibetsu is 84%.Rainfall
In Ashibetsu, in September, during 14.6 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Ashibetsu, there are 120.7 rainfall days, and 404mm (15.91") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 04:55 and sunset at 18:07. On the last day of the month, sunrise is at 05:27 and sunset at 17:14 JST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Ashibetsu, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ashibetsu?
What is the average humidity in September in Ashibetsu?
How many days does it rain in September in Ashibetsu?
When it does not snow in Ashibetsu?
Does it snow in Ashibetsu in September?
How many hours of daylight does Ashibetsu have in September?
What time are sunrise and sunset in September in Ashibetsu?
How long on average sun shines in September in Ashibetsu?
What is the UV index reading in September in Ashibetsu?
Average temperature in September
Ashibetsu, Japan
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (-4.1°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in September
Ashibetsu, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1015.7mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in September
Ashibetsu, Japan
- Average wind speed in September: 8.2km/h
The windiest months (with the highest average wind speed) are April and December (10.8km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Ashibetsu, Japan
- Average humidity in September: 84%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Ashibetsu, Japan
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in September
Ashibetsu, Japan
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is January (2 days).
Average snowfall in September
Ashibetsu, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (227mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Ashibetsu, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ashibetsu, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Ashibetsu, Japan
- Average sunshine days in September: 13 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (7.8 days).
Average UV index in September
Ashibetsu, Japan
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Ashibetsu, Japan
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is September (Cloud cover 46).
Average visibility in September
Ashibetsu, Japan
- Average visibility in September: 8km
The months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).
