September weather forecastAkishima, Japan
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Akishima, Japan, with an average temperature ranging between min 20.1°C (68.2°F) and max 26.5°C (79.7°F).Temperature
A mild shift in the average high-temperature occurs in September, reducing from a tropical 30.8°C (87.4°F) in August to a warm 26.5°C (79.7°F). September nights are marked by an average low-temperature of 20.1°C (68.2°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In September, in Akishima, the rain falls for 16.2 days. Throughout September, 106mm (4.17") of precipitation is accumulated. In Akishima, during the entire year, the rain falls for 173.2 days and collects up to 901mm (35.47") of precipitation.Snowfall
In Akishima, Japan, snow does not fall in April through October.Daylight
In September, the average length of the day in Akishima is 12h and 25min.On the first day of the month, sunrise is at 05:14 and sunset at 18:10. On the last day of September, sunrise is at 05:36 and sunset at 17:28 JST.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Akishima is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 5 during September translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Akishima, Japan
- Average high temperature in September: 26.5°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 (8.1°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Akishima, Japan
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in September
Akishima, Japan
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is April (12.2km/h).
The calmest month (with the lowest average wind speed) is November (9.6km/h).
Average humidity in September
Akishima, Japan
- Average humidity in September: 75%
The months with the highest relative humidity are June and July (76%).
The month with the lowest relative humidity is January (60%).
Average rainfall in September
Akishima, Japan
- Average rainfall in September: 106mm
The wettest month (with the highest rainfall) is October (131mm).
The driest month (with the least rainfall) is December (35mm).
Average rainfall days in September
Akishima, Japan
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in September
Akishima, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (66mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Akishima, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Akishima, Japan
- Average daylight in September: 12h and 24min
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: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Akishima, Japan
- Average sunshine days in September: 10 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (6.4 days).
Average UV index in September
Akishima, Japan
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Akishima, Japan
- Average cloud cover in September: 40
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Akishima, Japan
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, May, November and December (10km).
The months with the lowest visibility are April, June, July, August, September and October (9km).
