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 is characterized by a slight reduction in average high-temperature, easing from a hot 30.7°C (87.3°F) in August to a moderately hot 25.8°C (78.4°F). Nighttime temperature in Shimagahara experiences an average drop to a refreshing 17.9°C (64.2°F) in September.Humidity
The average relative humidity in September in Shimagahara is 83%.Rainfall
In Shimagahara, in September, it is raining for 15.7 days, with typically 63mm (2.48") of accumulated precipitation. Throughout the year, in Shimagahara, there are 171.2 rainfall days, and 536mm (21.1") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Shimagahara is 12h and 24min.On the first day of September, sunrise is at 05:28 and sunset at 18:22. On the last day of the month, sunrise is at 05:49 and sunset at 17:41 JST.
Sunshine
The average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Shimagahara, Japan, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 5 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the usual temperature for Shimagahara in September?
What is the average humidity in September in Shimagahara?
How much does it rain in Shimagahara in September?
When it does not snow in Shimagahara?
How many hours of daylight does Shimagahara have in September?
When are sunrise and sunset in September in Shimagahara?
How many hours of sunshine does Shimagahara have in September?
How high is the UV index in September in Shimagahara?
Average temperature in September
Shimagahara, Japan
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 17.9°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Shimagahara, Japan
- Average pressure in September: 1012.9mbar
The months with the highest atmospheric pressure are February and November (1019.4mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in September
Shimagahara, Japan
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is January (9.2km/h).
The calmest month (with the lowest average wind speed) is July (5.7km/h).
Average humidity in September
Shimagahara, Japan
- Average humidity in September: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Shimagahara, Japan
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is July (96mm).
The driest month (with the least rainfall) is November (15mm).
Average rainfall days in September
Shimagahara, Japan
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Shimagahara, Japan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Shimagahara, Japan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 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
Shimagahara, 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: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Shimagahara, Japan
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in September
Shimagahara, 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
Shimagahara, Japan
- Average cloud cover in September: 47
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is November (Cloud cover 39).
Average visibility in September
Shimagahara, Japan
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, August, November and December (8km).
The months with the lowest visibility are June, July, September and October (7km).
Shimagahara, Japan
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