September weather forecastYashiro, Japan
September
Weather in September
September, the first month of the autumn in Yashiro, is also a moderately hot month, with temperature in the range of an average high of 26.2°C (79.2°F) and an average low of 18°C (64.4°F).Temperature
Yashiro experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 30.9°C (87.6°F) in August to a moderately hot 26.2°C (79.2°F). Yashiro's nights in September experience an average temperature drop to an enjoyable 18°C (64.4°F).Humidity
In Yashiro, the average relative humidity in September is 82%.Rainfall
In Yashiro, during September, the rain falls for 14 days and regularly aggregates up to 117mm (4.61") of precipitation. Throughout the year, in Yashiro, there are 163.2 rainfall days, and 968mm (38.11") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Yashiro.Daylight
In Yashiro, Japan, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 05:33 and sunset at 18:27. On the last day of the month, sunrise is at 05:54 and sunset at 17:45 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Yashiro, Japan, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yashiro, Japan
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 18°C
The month with the highest average low temperature is August (22.2°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average pressure in September
Yashiro, 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
Yashiro, Japan
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is June (7.5km/h).
Average humidity in September
Yashiro, Japan
- Average humidity in September: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Yashiro, Japan
- Average rainfall in September: 117mm
The wettest month (with the highest rainfall) is July (181mm).
The driest months (with the least rainfall) are January and November (34mm).
Average rainfall days in September
Yashiro, Japan
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Yashiro, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Yashiro, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 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
Yashiro, 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 54min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Yashiro, Japan
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Yashiro, 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
Yashiro, Japan
- Average cloud cover in September: 46
The month with the most cloud cover is July (Cloud cover 55).
The month with the least cloud cover is November (Cloud cover 41).
Average visibility in September
Yashiro, Japan
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, November and December (9km).
The month with the lowest visibility is July (7km).
