September weather forecastPlacerville, ID
September
Weather in September
September, the first month of the autumn in Placerville, is also a moderately hot month, with an average temperature varying between 73.9°F (23.3°C) and 50.4°F (10.2°C).Temperature
In Placerville, the beginning of September is marked by a lowered average high-temperature, shifting from August's moderately hot 84.7°F (29.3°C) to a still warm 73.9°F (23.3°C). A significant drop from the day's peak to an average low-temperature of 50.4°F (10.2°C) is noted during the nights in September in Placerville.Humidity
In September, the average relative humidity is 41%.Rainfall
In Placerville, in September, it is raining for 7.4 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, there are 103.4 rainfall days, and 19.84" (504mm) of precipitation is accumulated.Snowfall
July through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:08 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:25 pm MDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In Placerville, 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 radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Placerville, ID
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).
Average pressure in September
Placerville, ID
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in September
Placerville, ID
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Placerville, ID
- Average humidity in September: 41%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in September
Placerville, ID
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in September
Placerville, ID
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Placerville, ID
- Average snowfall in September: 0"
The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").
Average snowfall days in September
Placerville, ID
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Placerville, ID
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Placerville, ID
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).
Average UV index in September
Placerville, 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 February (UV index 1).
Average cloud cover in September
Placerville, ID
- Average cloud cover in September: 15
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in September
Placerville, 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).
