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
Weather in September
Temperature
September ushers in a minor alteration in Ayase's climate, with the average high-temperature moving from August's moderately hot 29.8°C (85.6°F) to a still warm 26.3°C (79.3°F). Nights in September in Ayase exhibit a minor reduction to an average low temperature of 21.9°C (71.4°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In Ayase, during September, the rain falls for 12.3 days and regularly aggregates up to 46mm (1.81") of precipitation. In Ayase, during the entire year, the rain falls for 130.6 days and collects up to 361mm (14.21") of precipitation.Snowfall
April through December are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Ayase, sunrise is at 05:14 and sunset at 18:09. On the last day of the month, sunrise is at 05:36 and sunset at 17:27 JST.
Sunshine
In Ayase, Japan, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Ayase in September?
What is the average humidity in September in Ayase?
How many days does it rain in September in Ayase?
When it does not snow in Ayase?
How many hours of daylight does Ayase have in September?
When is the sunrise / sunset in September in Ayase?
How many hours of sunshine does Ayase have in September?
What is the UV index intensity in September in Ayase?
Average temperature in September
Ayase, Japan
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 21.9°C
The month with the highest average low temperature is August (25.2°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Ayase, Japan
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Ayase, Japan
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is March (17.4km/h).
The calmest month (with the lowest average wind speed) is June (13.9km/h).
Average humidity in September
Ayase, 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 (60%).
Average rainfall in September
Ayase, Japan
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Ayase, Japan
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is December (6.1 days).
Average snowfall in September
Ayase, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ayase, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 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
Ayase, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Ayase, Japan
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Ayase, 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 3).
Average cloud cover in September
Ayase, Japan
- Average cloud cover in September: 39
The months with the most cloud cover are March and October (Cloud cover 43).
The months with the least cloud cover are January and December (Cloud cover 29).
Average visibility in September
Ayase, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Ayase, Japan
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