September weather forecastAsamushi, Japan
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Asamushi, Japan, with an average temperature fluctuating between 15.7°C (60.3°F) and 22°C (71.6°F).Temperature
September signals a slight drop in average high-temperature, sliding from August's warm 25.6°C (78.1°F) to a pleasant 22°C (71.6°F). Asamushi records an average nighttime low of 15.7°C (60.3°F) in September.Humidity
In Asamushi, the average relative humidity in September is 80%.Rainfall
In Asamushi, in September, it is raining for 12 days, with typically 28mm (1.1") of accumulated precipitation. In Asamushi, during the entire year, the rain falls for 121.9 days and collects up to 404mm (15.91") of precipitation.Snowfall
In Asamushi, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 05:03 and sunset at 18:09. On the last day of the month, sunrise is at 05:32 and sunset at 17:20 JST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 in September translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Asamushi, Japan
- Average high temperature in September: 22°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is August (19.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).
Average pressure in September
Asamushi, Japan
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is November (1017.4mbar).
The month with the lowest atmospheric pressure is July (1008.9mbar).
Average wind speed in September
Asamushi, Japan
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (19.9km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in September
Asamushi, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Asamushi, Japan
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (58mm).
The driest months (with the least rainfall) are March, April and November (25mm).
Average rainfall days in September
Asamushi, Japan
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Asamushi, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (141mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Asamushi, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Asamushi, Japan
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Asamushi, Japan
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is May (18.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in September
Asamushi, 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, November and December (UV index 1).
Average cloud cover in September
Asamushi, Japan
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Asamushi, Japan
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The month with the lowest visibility is July (8km).
