Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As August transitions into September, Shaver Lake sees a gentle drop in the average high-temperature, transitioning from a warm 79.5°F (26.4°C) to a still moderately hot 73.4°F (23°C). Shaver Lake's September nights cool down significantly from the day's heat, to an average low-temperature of 48.6°F (9.2°C).Humidity
In September, the average relative humidity is 37%.Rainfall
In Shaver Lake, in September, during 3.4 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, there are 49.9 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 53.9 snowfall days, and 134.09" (3406mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:25 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:41 pm PDT.
Sunshine
In September, the average sunshine is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
How many hours of daylight does Shaver Lake have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Shaver Lake, CA
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in September: 48.6°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in September
Shaver Lake, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Shaver Lake, CA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).
Average humidity in September
Shaver Lake, CA
- Average humidity in September: 37%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Shaver Lake, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in September
Shaver Lake, CA
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is May (8.2 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in September
Shaver Lake, CA
- Average snowfall in September: 0.08"
The month with the highest snowfall is February (28.46").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Shaver Lake, CA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (10.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Shaver Lake, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).
Average sunshine days in September
Shaver Lake, CA
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is October (27.2 days).
The month with the least sunshine days is April (18 days).
Average UV index in September
Shaver Lake, CA
- 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 January, February, March, November and December (UV index 2).
Average cloud cover in September
Shaver Lake, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Shaver Lake, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Shaver Lake, California, USA
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