September weather forecastFernan Lake Village, ID
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Fernan Lake Village, Idaho, with temperature in the range of an average high of 71.4°F (21.9°C) and an average low of 45°F (7.2°C).Temperature
September involves a decrease in temperature, down from a moderately hot 82°F (27.8°C) in August to a pleasant 71.4°F (21.9°C). Fernan Lake Village documents a marked decrease from day to night, with an average low of 45°F (7.2°C) throughout September.Humidity
In Fernan Lake Village, the average relative humidity in September is 58%.Rainfall
In Fernan Lake Village, in September, during 8.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Fernan Lake Village, during the entire year, the rain falls for 141.2 days and collects up to 22.6" (574mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 71.8 snowfall days, and 56.54" (1436mm) of snow is accumulated.Daylight
In Fernan Lake Village, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 6:06 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:27 pm PDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fernan Lake Village, ID
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in September: 45°F
The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in September
Fernan Lake Village, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Fernan Lake Village, ID
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).
Average humidity in September
Fernan Lake Village, ID
- Average humidity in September: 58%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).
Average rainfall in September
Fernan Lake Village, ID
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").
Average rainfall days in September
Fernan Lake Village, ID
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in September
Fernan Lake Village, ID
- Average snowfall in September: 0.31"
The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Fernan Lake Village, ID
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Fernan Lake Village, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Fernan Lake Village, ID
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in September
Fernan Lake Village, ID
- 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 February, November and December (UV index 1).
Average cloud cover in September
Fernan Lake Village, ID
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Fernan Lake Village, ID
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
