September weather forecastCuldesac, ID
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Culdesac, Idaho, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 75.2°F (24°C).Temperature
Culdesac's transition into September involves a shift in temperature, receding from a moderately hot 85.1°F (29.5°C) in August to a still warm 75.2°F (24°C). Culdesac anticipates a pronounced temperature drop from daily highs during the nights of September, with an average low of 52.5°F (11.4°C).Humidity
In Culdesac, the average relative humidity in September is 46%.Rainfall
In Culdesac, in September, it is raining for 5.3 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Culdesac, there are 112.5 rainfall days, and 9.09" (231mm) of precipitation is accumulated.Snowfall
In Culdesac, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September in Culdesac, sunrise is at 6:08 am and sunset at 7:24 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 10.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Culdesac, ID
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (35.8°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in September
Culdesac, ID
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in September
Culdesac, ID
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).
Average humidity in September
Culdesac, ID
- Average humidity in September: 46%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Culdesac, ID
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in September
Culdesac, ID
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in September
Culdesac, ID
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Culdesac, ID
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Culdesac, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in September
Culdesac, ID
- Average sunshine days in September: 23.5 days
The months with the most sunshine days are July and September (23.5 days).
The months with the least sunshine days are February and April (13.8 days).
Average UV index in September
Culdesac, ID
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Culdesac, ID
- Average cloud cover in September: 18
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Culdesac, ID
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
