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
Big Bear Lake's weather in September, with an average high-temperature of a moderately hot 83.3°F (28.5°C), subtly shifts from August's 88.5°F (31.4°C). Big Bear Lake, during September, witnesses an average low-temperature of 62.6°F (17°C).Humidity
The average relative humidity in September in Big Bear Lake, California, is 33%.Rainfall
In Big Bear Lake, during September, the rain falls for 3.1 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, in Big Bear Lake, there are 41.6 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
In Big Bear Lake, snow does not fall in June through October.Daylight
The average length of the day in September in Big Bear Lake is 12h and 22min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:32 pm PDT.
Sunshine
In Big Bear Lake, the average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September in Big Bear Lake, California, is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
How hot does it get in Big Bear Lake in September?
What is the average humidity in September in Big Bear Lake?
How many days does it rain in September in Big Bear Lake?
When it does not snow in Big Bear Lake?
How many hours of daylight does Big Bear Lake have in September?
What time are sunrise and sunset in September in Big Bear Lake?
How many hours of sunshine does Big Bear Lake have in September?
What is the UV index reading in September in Big Bear Lake?
Average temperature in September
Big Bear Lake, CA
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (52.5°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is August (66.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in September
Big Bear Lake, CA
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Big Bear Lake, CA
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).
Average humidity in September
Big Bear Lake, CA
- Average humidity in September: 33%
The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (29%).
Average rainfall in September
Big Bear Lake, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is December (1.26").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Big Bear Lake, CA
- Average rainfall days in September: 3.1 days
The month with the highest number of rainy days is July (5 days).
The month with the least rainy days is June (1.4 days).
Average snowfall in September
Big Bear Lake, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Big Bear Lake, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Big Bear Lake, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Big Bear Lake, CA
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (22.2 days).
Average UV index in September
Big Bear Lake, CA
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Big Bear Lake, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 6).
Average visibility in September
Big Bear 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).
Big Bear Lake, California, USA
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