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's arrival aligns with a minor decrease in average high-temperatures, from August's warm 24.5°C (76.1°F) to an agreeable 20.5°C (68.9°F). In Shihoro, an average low-temperature of 11°C (51.8°F) is recorded during September nights.Humidity
In Shihoro, the average relative humidity in September is 83%.Rainfall
In Shihoro, in September, during 14 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Shihoro, during the entire year, the rain falls for 177.1 days and collects up to 628mm (24.72") of precipitation.Snowfall
In Shihoro, snow does not fall in June through October.Daylight
In Shihoro, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 04:51 and sunset at 18:02. On the last day of the month, sunrise is at 05:23 and sunset at 17:10 JST.
Sunshine
In September, the average sunshine in Shihoro is 7.4h.UV index
In September, the average daily maximum UV index in Shihoro is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Shihoro in September?
What is the average humidity in September in Shihoro?
How much does it rain in Shihoro in September?
When it does not snow in Shihoro?
What is the average length of the day in September in Shihoro?
When is the sunrise / sunset in September in Shihoro?
How long on average sun shines in September in Shihoro?
What is the UV index intensity in September in Shihoro?
Average temperature in September
Shihoro, Japan
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (-12.7°C).
Average pressure in September
Shihoro, Japan
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is October (1015.8mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in September
Shihoro, Japan
- Average wind speed in September: 7.1km/h
The windiest months (with the highest average wind speed) are April and December (9.9km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in September
Shihoro, Japan
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Shihoro, Japan
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Shihoro, Japan
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is October (10.5 days).
Average snowfall in September
Shihoro, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is February (207mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Shihoro, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shihoro, Japan
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Shihoro, Japan
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in September
Shihoro, Japan
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Shihoro, Japan
- Average cloud cover in September: 45
The month with the most cloud cover is July (Cloud cover 54).
The months with the least cloud cover are October and November (Cloud cover 33).
Average visibility in September
Shihoro, Japan
- Average visibility in September: 7km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January, February, March, June, July, August and September (7km).
Shihoro, Japan
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