September weather forecastLake City, CA
September
Weather in September
September, the first month of the autumn in Lake City, is still a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 47.3°F (8.5°C).Temperature
Lake City's September weather features a light decline in high-temperatures, reducing from 82.6°F (28.1°C) in August to a still moderately hot 73.9°F (23.3°C). Despite a significant disparity with daytime temperatures, an average low-temperature of 47.3°F (8.5°C) is recorded during September.Humidity
The average relative humidity in September is 39%.Rainfall
In September, the rain falls for 4.5 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. In Lake City, during the entire year, the rain falls for 91.1 days and collects up to 12.64" (321mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Lake City, California, during the entire year, snow falls for 60.7 days and aggregates up to 39.53" (1004mm) of snow.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:33 pm. On the last day of September, in Lake City, sunrise is at 6:57 am and sunset at 6:43 pm PDT.
Sunshine
In September, the average sunshine in Lake City is 11h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lake City, CA
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23°F).
Average pressure in September
Lake City, CA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Lake City, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Lake City, CA
- Average humidity in September: 39%
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Lake City, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Lake City, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in September
Lake City, CA
- Average snowfall in September: 0.16"
The month with the highest snowfall is December (9.02").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Lake City, CA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (12.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Lake City, CA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Lake City, CA
- Average sunshine days in September: 24.6 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (12.8 days).
Average UV index in September
Lake City, CA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Lake City, CA
- Average cloud cover in September: 13
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Lake City, CA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





