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
With the arrival of September, Horiecho notices a mild change in the average high-temperature, sliding from August's warm 29.2°C (84.6°F) to a still moderately hot 25.5°C (77.9°F). During September, Horiecho records a consistent average nighttime temperature of 20.1°C (68.2°F).Humidity
In Horiecho, the average relative humidity in September is 80%.Rainfall
In September, in Horiecho, the rain falls for 15.6 days. Throughout September, 66mm (2.6") of precipitation is accumulated. In Horiecho, during the entire year, the rain falls for 162.8 days and collects up to 749mm (29.49") of precipitation.Snowfall
March through November are months without snowfall in Horiecho.Daylight
In September, the average length of the day in Horiecho, Japan, is 12h and 23min.On the first day of September, sunrise is at 05:42 and sunset at 18:35. On the last day of the month, sunrise is at 06:02 and sunset at 17:55 JST.
Sunshine
In September, the average sunshine in Horiecho is 9.4h.UV index
In September, the average daily maximum UV index in Horiecho is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average September temperature in Horiecho?
What is the average humidity in September in Horiecho?
How much does it rain in Horiecho in September?
When it does not snow in Horiecho?
How many hours of daylight does Horiecho have in September?
When is the sunrise / sunset in September in Horiecho?
How many hours of sunshine does Horiecho have in September?
What is the UV index reading in September in Horiecho?
Average temperature in September
Horiecho, Japan
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Horiecho, Japan
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is January (1021mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in September
Horiecho, Japan
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest month (with the lowest average wind speed) is June (6.6km/h).
Average humidity in September
Horiecho, Japan
- Average humidity in September: 80%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (72%).
Average rainfall in September
Horiecho, Japan
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is June (149mm).
The driest month (with the least rainfall) is January (24mm).
Average rainfall days in September
Horiecho, Japan
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Horiecho, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Horiecho, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Horiecho, Japan
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Horiecho, Japan
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in September
Horiecho, 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 and December (UV index 2).
Average cloud cover in September
Horiecho, Japan
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Horiecho, Japan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
Horiecho, Japan
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