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
Clagstone in September experiences a subtle temperature decline, with average high-temperatures reducing from a warm 80.6°F (27°C) in August to a pleasant 69.8°F (21°C). A dramatic downturn marks the September nights, with lows averaging at a wintry 42.6°F (5.9°C).Humidity
The average relative humidity in September in Clagstone is 61%.Rainfall
In Clagstone, during September, the rain falls for 9.5 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Clagstone, there are 145.7 rainfall days, and 23.78" (604mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.2" (5mm) of snow. In Clagstone, during the entire year, snow falls for 78 days and aggregates up to 56.73" (1441mm) of snow.Daylight
In Clagstone, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:46 am and sunset at 6:27 pm PDT.
Sunshine
In Clagstone, the average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index in Clagstone is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Clagstone in September?
What is the average humidity in September in Clagstone?
How many days does it rain in September in Clagstone?
When does it start to snow in Clagstone?
What is the average length of the day in September in Clagstone?
What time are sunrise and sunset in September in Clagstone?
How many hours of sunshine does Clagstone have in September?
How high is the UV index in September in Clagstone?
Average temperature in September
Clagstone, ID
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in September: 42.6°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in September
Clagstone, 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
Clagstone, 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 (3.4mph).
Average humidity in September
Clagstone, ID
- Average humidity in September: 61%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Clagstone, ID
- Average rainfall in September: 1.02"
The wettest months (with the highest rainfall) are January and December (3.07").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in September
Clagstone, ID
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is April (18.1 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Clagstone, ID
- Average snowfall in September: 0.2"
The month with the highest snowfall is January (15.94").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Clagstone, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (17.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Clagstone, 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: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Clagstone, ID
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is August (22.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in September
Clagstone, 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 February, November and December (UV index 1).
Average cloud cover in September
Clagstone, ID
- Average cloud cover in September: 25
The months with the most cloud cover are January and December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Clagstone, 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).
Clagstone, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location