September weather forecastAshikaga, Japan
September
Weather in September
September, the first month of the autumn in Ashikaga, is also a moderately hot month, with an average temperature ranging between max 25.4°C (77.7°F) and min 17.7°C (63.9°F).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a tropical 30.2°C (86.4°F) in August to a warm 25.4°C (77.7°F). The average low-temperature during September nights is an enjoyable 17.7°C (63.9°F).Humidity
In Ashikaga, Japan, the average relative humidity in September is 77%.Rainfall
In September, in Ashikaga, the rain falls for 16.4 days. Throughout September, 85mm (3.35") of precipitation is accumulated. In Ashikaga, during the entire year, the rain falls for 161.9 days and collects up to 825mm (32.48") of precipitation.Snowfall
In Ashikaga, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:13 and sunset at 18:10. On the last day of September, in Ashikaga, sunrise is at 05:36 and sunset at 17:27 JST.
Sunshine
In Ashikaga, the average sunshine in September is 8h.UV index
In Ashikaga, Japan, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ashikaga, Japan
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in September
Ashikaga, Japan
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in September
Ashikaga, Japan
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is January (10.2km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).
Average humidity in September
Ashikaga, Japan
- Average humidity in September: 77%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (62%).
Average rainfall in September
Ashikaga, Japan
- Average rainfall in September: 85mm
The wettest month (with the highest rainfall) is July (141mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in September
Ashikaga, Japan
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in September
Ashikaga, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ashikaga, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ashikaga, Japan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Ashikaga, Japan
- Average sunshine days in September: 10.9 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (5.2 days).
Average UV index in September
Ashikaga, Japan
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ashikaga, Japan
- Average cloud cover in September: 42
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in September
Ashikaga, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
