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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from 28.5°C (83.3°F) in August to a still moderately hot 24.7°C (76.5°F). September registers an average low temperature of 19.7°C (67.5°F) in Yamakita, subtly lower than the daytime maximum.Humidity
In Yamakita, the average relative humidity in September is 80%.Rainfall
In Yamakita, during September, the rain falls for 17.4 days and regularly aggregates up to 59mm (2.32") of precipitation. In Yamakita, during the entire year, the rain falls for 179.7 days and collects up to 587mm (23.11") of precipitation.Snowfall
In Yamakita, snow does not fall in March through November.Daylight
In Yamakita, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 05:16 and sunset at 18:11. On the last day of September, sunrise is at 05:37 and sunset at 17:29 JST.
Sunshine
In September, the average sunshine in Yamakita is 8.2h.UV index
In Yamakita, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the temperature in September in Yamakita?
What is the average humidity in September in Yamakita?
How much does it rain in Yamakita in September?
When it does not snow in Yamakita?
How many hours of daylight does Yamakita have in September?
When is the sunrise / sunset in September in Yamakita?
How many hours of sunshine does Yamakita have in September?
What is the UV index reading in September in Yamakita?
Average temperature in September
Yamakita, Japan
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (7.8°C).
- Average low temperature in September: 19.7°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Yamakita, Japan
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in September
Yamakita, Japan
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is June (11.1km/h).
Average humidity in September
Yamakita, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (66%).
Average rainfall in September
Yamakita, Japan
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is July (102mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Yamakita, Japan
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Yamakita, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Yamakita, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Yamakita, 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 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in September
Yamakita, Japan
- Average sunshine days in September: 9.4 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in September
Yamakita, Japan
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Yamakita, Japan
- Average cloud cover in September: 39
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 27).
Average visibility in September
Yamakita, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
Yamakita, Japan
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