September weather forecastShihoro, Japan
September weather forecast for Shihoro, Japan: September, the first month of the autumn in Shihoro, is still a pleasant month, with an average temperature varying between 20.5°C (68.9°F) and 11°C (51.8°F). With the onset of September, Shihoro's average high-temperature slightly adjusts, moderately receding from August's warm 24.5°C (76.1°F) to an agreeable 20.5°C (68.9°F).
September
Weather in September
September, the first month of the autumn in Shihoro, is still a pleasant month, with an average temperature varying between 20.5°C (68.9°F) and 11°C (51.8°F).Temperature
With the onset of September, Shihoro's average high-temperature slightly adjusts, moderately receding from August's warm 24.5°C (76.1°F) to an agreeable 20.5°C (68.9°F). Shihoro's temperature lowers to a mean of 11°C (51.8°F) during the nights in September.Humidity
In Shihoro, the average relative humidity in September is 83%.Rainfall
In September, the rain falls for 14 days. Throughout September, 69mm (2.72") of precipitation is accumulated. In Shihoro, during the entire year, the rain falls for 177.1 days and collects up to 628mm (24.72") of precipitation.Snowfall
June through October are months without snowfall.Daylight
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 Shihoro, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 30min
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 24min
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).
