September weather forecastAkkeshi, Japan
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Akkeshi, Japan, with an average temperature fluctuating between 20.1°C (68.2°F) and 13°C (55.4°F).Temperature
Akkeshi measures an average high-temperature of a still agreeable 20.1°C (68.2°F) in September, nearly consistent with the preceding month. Nighttime temperatures in September average to a moderate 13°C (55.4°F).Humidity
In September, the average relative humidity is 83%.Rainfall
In Akkeshi, in September, it is raining for 13.9 days, with typically 78mm (3.07") of accumulated precipitation. In Akkeshi, during the entire year, the rain falls for 105.6 days and collects up to 625mm (24.61") of precipitation.Snowfall
June through October are months without snowfall.Daylight
In Akkeshi, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 04:45 and sunset at 17:56. On the last day of September, in Akkeshi, sunrise is at 05:16 and sunset at 17:04 JST.
Sunshine
The average sunshine in September in Akkeshi is 6.9h.UV index
In September, the average daily maximum UV index in Akkeshi is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Akkeshi, Japan
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (-8.4°C).
Average pressure in September
Akkeshi, Japan
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is October (1015.6mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in September
Akkeshi, Japan
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is July (8.5km/h).
Average humidity in September
Akkeshi, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (88%).
The months with the lowest relative humidity are April, November and December (76%).
Average rainfall in September
Akkeshi, Japan
- Average rainfall in September: 78mm
The wettest month (with the highest rainfall) is August (109mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days in September
Akkeshi, Japan
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in September
Akkeshi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (77mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Akkeshi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (6.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Akkeshi, Japan
- Average daylight in September: 12h and 30min
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 6min).
- Average sunshine in September: 6h and 54min
The months with the most sunshine are April and May (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Akkeshi, Japan
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Akkeshi, Japan
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Akkeshi, Japan
- Average cloud cover in September: 47
The month with the most cloud cover is July (Cloud cover 62).
The months with the least cloud cover are October and November (Cloud cover 37).
Average visibility in September
Akkeshi, Japan
- Average visibility in September: 8km
The month with the highest visibility is December (10km).
The months with the lowest visibility are June, July and August (7km).
