September weather forecastCedarhill, ID
September
Weather in September
September, the first month of the autumn in Cedarhill, is still a pleasant month, with an average temperature fluctuating between 49.5°F (9.7°C) and 73°F (22.8°C).Temperature
Cedarhill's progression into September includes a drop in the average high-temperature, from a warm 83.7°F (28.7°C) in August to a pleasant 73°F (22.8°C). With a notable difference from peak temperatures, an average of 49.5°F (9.7°C) marks the nights in Cedarhill, Idaho, in September.Humidity
The average relative humidity in September in Cedarhill is 42%.Rainfall
In Cedarhill, in September, it is raining for 8.6 days, with typically 1.18" (30mm) of accumulated precipitation. In Cedarhill, during the entire year, the rain falls for 118.3 days and collects up to 16.42" (417mm) 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 0.1 snowfall days, it receives 0.35" (9mm) of snow. In Cedarhill, during the entire year, snow falls for 68.7 days and aggregates up to 48.82" (1240mm) of snow.Daylight
In September, the average length of the day in Cedarhill is 12h and 28min.On the first day of September in Cedarhill, sunrise is at 6:57 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:13 pm MDT.
Sunshine
The average sunshine in September in Cedarhill, Idaho, is 9.8h.UV index
The average daily maximum UV index in September in Cedarhill is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedarhill, ID
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Cedarhill, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Cedarhill, ID
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Cedarhill, ID
- Average humidity in September: 42%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
Cedarhill, ID
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in September
Cedarhill, ID
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Cedarhill, ID
- Average snowfall in September: 0.35"
The month with the highest snowfall is January (13.78").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Cedarhill, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Cedarhill, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Cedarhill, ID
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in September
Cedarhill, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Cedarhill, ID
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Cedarhill, ID
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).





