September weather forecastAbashiri, Japan
September
Weather in September
September, the first month of the autumn in Abashiri, is also an agreeable month, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 20.1°C (68.2°F).Temperature
The advent of September denotes an average high-temperature of a pleasant 20.1°C (68.2°F), subtly different from August's 23°C (73.4°F). An average nighttime temperature of 12.5°C (54.5°F) is observed in Abashiri during September.Humidity
In September, the average relative humidity in Abashiri is 81%.Rainfall
In Abashiri, Japan, during September, the rain falls for 15.2 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, there are 160.7 rainfall days, and 678mm (26.69") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Abashiri.Sea temperature
In September, the average sea temperature is 15°C (59°F).Note: For most individuals, swimming in 15°C (59°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Abashiri, sunrise is at 04:46 and sunset at 17:59. On the last day of the month, sunrise is at 05:19 and sunset at 17:06 JST.
Sunshine
The average sunshine in September is 7.6h.UV index
In Abashiri, Japan, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Abashiri, Japan
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).
Average pressure in September
Abashiri, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is October (1015.3mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in September
Abashiri, Japan
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest months (with the lowest average wind speed) are July and August (8.8km/h).
Average humidity in September
Abashiri, Japan
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Abashiri, Japan
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is November (39mm).
Average rainfall days in September
Abashiri, Japan
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Abashiri, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (268mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Abashiri, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (25.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Abashiri, Japan
- Average sea temperature in September: 15°C
The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (-1°C).
Average daylight in September /
Average sunshine in September
Abashiri, Japan
- Average daylight in September: 12h and 30min
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 36min
The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Abashiri, Japan
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is February (4.5 days).
Average UV index in September
Abashiri, 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 and December (UV index 1).
Average cloud cover in September
Abashiri, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is October (Cloud cover 39).
Average visibility in September
Abashiri, Japan
- Average visibility in September: 9km
The months with the highest visibility are April, May, September, October, November and December (9km).
The month with the lowest visibility is February (7km).





