September weather forecastCedar Glen, CA
September
Weather in September
The first month of the autumn, September, is still a warm month in Cedar Glen, California, with an average temperature fluctuating between 84°F (28.9°C) and 61.9°F (16.6°C).Temperature
The shift from August to September is characterized by an average high-temperature of a moderately hot 84°F (28.9°C), not significantly different from the 88.3°F (31.3°C) of August. Cedar Glen documents a substantial shift from daytime warmth, recording an average nighttime temperature of 61.9°F (16.6°C) in September.Humidity
The average relative humidity in September is 37%.Rainfall
In Cedar Glen, in September, during 2.3 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. In Cedar Glen, during the entire year, the rain falls for 42.2 days and collects up to 5.55" (141mm) of precipitation.Snowfall
In Cedar Glen, snow does not fall in June through October.Daylight
In Cedar Glen, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:14 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:33 pm PDT.
Sunshine
In September, the average sunshine is 10.6h.UV index
In Cedar Glen, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cedar Glen, CA
- Average high temperature in September: 84°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in September
Cedar Glen, CA
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Cedar Glen, CA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in September
Cedar Glen, CA
- Average humidity in September: 37%
The months with the highest relative humidity are February and December (52%).
The month with the lowest relative humidity is August (32%).
Average rainfall in September
Cedar Glen, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is February (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Cedar Glen, CA
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Cedar Glen, CA
- Average snowfall in September: 0"
The month with the highest snowfall is April (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Cedar Glen, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
Cedar Glen, CA
- Average daylight in September: 12h and 24min
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 36min
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
Cedar Glen, CA
- Average sunshine days in September: 26 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in September
Cedar Glen, CA
- Average UV index in September: 6
The month with the highest UV index is 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
Cedar Glen, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Cedar Glen, 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).
