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
September ushers in a minor alteration in South Lake's climate, with the average high-temperature moving from August's warm 85.3°F (29.6°C) to a still moderately hot 79.3°F (26.3°C). South Lake documents a substantial deviation from daytime highs with a consistent low-temperature of 54.5°F (12.5°C) during September nights.Humidity
The average relative humidity in September is 35%.Rainfall
In September, in South Lake, the rain falls for 3.4 days. Throughout September, 0.24" (6mm) of precipitation is accumulated. In South Lake, during the entire year, the rain falls for 65.1 days and collects up to 12.28" (312mm) of precipitation.Snowfall
In South Lake, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 6:26 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:38 pm PDT.
Sunshine
In September, the average sunshine is 10.9h.UV index
In September, the average daily maximum UV index in South Lake is 5. 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: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in South Lake?
What is the average humidity in September in South Lake?
How much does it rain in South Lake in September?
When it does not snow in South Lake?
How many hours of daylight does South Lake have in September?
When is the sunrise / sunset in September in South Lake?
How many hours of sunshine does South Lake have in September?
How high is the UV index in September in South Lake?
Average temperature in September
South Lake, CA
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).
Average pressure in September
South Lake, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
South Lake, CA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is September (5.4mph).
Average humidity in September
South Lake, CA
- Average humidity in September: 35%
The month with the highest relative humidity is February (61%).
The month with the lowest relative humidity is August (31%).
Average rainfall in September
South Lake, CA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is January (2.24").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
South Lake, CA
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is June (1.5 days).
Average snowfall in September
South Lake, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
South Lake, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
South Lake, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 6h and 24min).
Average sunshine days in September
South Lake, CA
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is June (27.4 days).
The month with the least sunshine days is February (19.2 days).
Average UV index in September
South Lake, CA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in September
South Lake, CA
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 31).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in September
South 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).
South Lake, California, USA
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