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
The arrival of September suggests a slight decrease in the average high-temperature, moving from a hot 30.8°C (87.4°F) in August to a moderately hot 26.9°C (80.4°F). In September, Akanehama records an average nighttime temperature of 21.3°C (70.3°F).Humidity
In Akanehama, the average relative humidity in September is 75%.Rainfall
In Akanehama, during September, the rain falls for 18.1 days and regularly aggregates up to 122mm (4.8") of precipitation. In Akanehama, during the entire year, the rain falls for 170.4 days and collects up to 932mm (36.69") of precipitation.Snowfall
March through December are months without snowfall in Akanehama.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Akanehama, Japan, sunrise is at 05:12 and sunset at 18:07. On the last day of the month, sunrise is at 05:34 and sunset at 17:25 JST.
Sunshine
In September, the average sunshine in Akanehama, Japan, is 7.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Akanehama in September?
What is the average humidity in September in Akanehama?
How many days does it rain in September in Akanehama?
When it does not snow in Akanehama?
What is the average length of the day in September in Akanehama?
When is the sunrise / sunset in September in Akanehama?
How many hours of sunshine does Akanehama have in September?
How high is the UV index in September in Akanehama?
Average temperature in September
Akanehama, Japan
- Average high temperature in September: 26.9°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in September
Akanehama, Japan
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Akanehama, Japan
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is April (15.1km/h).
The calmest month (with the lowest average wind speed) is November (11.8km/h).
Average humidity in September
Akanehama, Japan
- Average humidity in September: 75%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (61%).
Average rainfall in September
Akanehama, Japan
- Average rainfall in September: 122mm
The wettest month (with the highest rainfall) is October (129mm).
The driest months (with the least rainfall) are January and December (40mm).
Average rainfall days in September
Akanehama, Japan
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Akanehama, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Akanehama, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Akanehama, Japan
- Average daylight in September: 12h and 2min
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: 7h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in September
Akanehama, Japan
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is September (9.7 days).
Average UV index in September
Akanehama, Japan
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Akanehama, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility in September
Akanehama, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, August, November and December (10km).
The months with the lowest visibility are June, July, September and October (9km).
