September weather forecastYotsutsuji, Japan
September weather for Yotsutsuji, Japan: September, the first month of the autumn in Yotsutsuji, is also a moderately hot month, with temperature in the range of an average low of 18.3°C (64.9°F) and an average high of 25.5°C (77.9°F). Yotsutsuji, Japan, records a mild change in average high-temperature during September, easing from a tropical 30.3°C (86.5°F) in August to a moderately hot 25.5°C (77.9°F).
September
Weather in September
September, the first month of the autumn in Yotsutsuji, is also a moderately hot month, with temperature in the range of an average low of 18.3°C (64.9°F) and an average high of 25.5°C (77.9°F).Temperature
Yotsutsuji, Japan, records a mild change in average high-temperature during September, easing from a tropical 30.3°C (86.5°F) in August to a moderately hot 25.5°C (77.9°F). The month of September records an average low-temperature of 18.3°C (64.9°F).Humidity
The average relative humidity in September in Yotsutsuji is 84%.Rainfall
In Yotsutsuji, in September, during 17.3 rainfall days, 152mm (5.98") of precipitation is typically accumulated. Throughout the year, in Yotsutsuji, there are 218.1 rainfall days, and 1253mm (49.33") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Yotsutsuji, Japan.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:31 and sunset at 18:27. On the last day of September, in Yotsutsuji, sunrise is at 05:53 and sunset at 17:45 JST.
Sunshine
The average sunshine in September in Yotsutsuji is 8.2h.UV index
In Yotsutsuji, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September leads to these advisories:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yotsutsuji, Japan
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Yotsutsuji, Japan
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1020.1mbar).
The month with the lowest atmospheric pressure is June (1008.7mbar).
Average wind speed in September
Yotsutsuji, Japan
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest months (with the lowest average wind speed) are June and August (7km/h).
Average humidity in September
Yotsutsuji, Japan
- Average humidity in September: 84%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Yotsutsuji, Japan
- Average rainfall in September: 152mm
The wettest month (with the highest rainfall) is July (192mm).
The driest month (with the least rainfall) is November (55mm).
Average rainfall days in September
Yotsutsuji, Japan
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is May (15 days).
Average snowfall in September
Yotsutsuji, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (204mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Yotsutsuji, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Yotsutsuji, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Yotsutsuji, Japan
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in September
Yotsutsuji, 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, February and December (UV index 2).
Average cloud cover in September
Yotsutsuji, Japan
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Yotsutsuji, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The month with the lowest visibility is July (7km).
