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
Priest River's progression into September involves a drop in the average high-temperature, receding from a moderately hot 81°F (27.2°C) in August to a pleasant 69.6°F (20.9°C). Priest River's average low-temperature of 43.5°F (6.4°C) in September reflects a significant disparity from the daytime highs.Humidity
In September, the average relative humidity in Priest River is 60%.Rainfall
In Priest River, in September, during 8.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 140.8 rainfall days, and 23.03" (585mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall in Priest River. September is the first month it typically snows in Priest River. Throughout September, in the average 0.3 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, in Priest River, there are 77 snowfall days, and 59.17" (1503mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:28 pm. On the last day of September, in Priest River, sunrise is at 6:46 am and sunset at 6:27 pm PDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 during September leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What is the temperature in September in Priest River?
What is the average humidity in September in Priest River?
How much does it rain in Priest River in September?
When does it start to snow in Priest River?
What is the average length of the day in September in Priest River?
When are sunrise and sunset in September in Priest River?
How many hours of sunshine does Priest River have in September?
How high is the UV index in September in Priest River?
Average temperature in September
Priest River, ID
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (29.5°F).
- Average low temperature in September: 43.5°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in September
Priest River, ID
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in September
Priest River, ID
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.3mph).
Average humidity in September
Priest River, ID
- Average humidity in September: 60%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Priest River, ID
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is January (3.31").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in September
Priest River, ID
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in September
Priest River, ID
- Average snowfall in September: 0.43"
The month with the highest snowfall is January (17.44").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Priest River, ID
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Priest River, ID
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Priest River, ID
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is August (25.1 days).
The months with the least sunshine days are February and March (7.8 days).
Average UV index in September
Priest River, ID
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Priest River, ID
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Priest River, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Priest River, Idaho, USA
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