September weather forecastCasa Conejo, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Casa Conejo, California, with an average temperature ranging between min 62.8°F (17.1°C) and max 77°F (25°C).Temperature
Casa Conejo experiences a minor change to a still moderately hot 77°F (25°C) in average high-temperature during September, closely reflecting August. Casa Conejo records an average nighttime low of 62.8°F (17.1°C) in September.Humidity
In September, the average relative humidity in Casa Conejo is 61%.Rainfall
In September, in Casa Conejo, California, the rain falls for 2.8 days. Throughout September, 0.2" (5mm) of precipitation is accumulated. Throughout the year, in Casa Conejo, there are 51.2 rainfall days, and 9.41" (239mm) of precipitation is accumulated.Daylight
The average length of the day in September in Casa Conejo is 12h and 22min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of September, in Casa Conejo, California, sunrise is at 6:50 am and sunset at 6:40 pm PDT.
Sunshine
In Casa Conejo, the average sunshine in September is 10.9h.UV index
The months with the highest UV index in Casa Conejo are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Casa Conejo, CA
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (60.4°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is February (49.1°F).
Average pressure in September
Casa Conejo, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in September
Casa Conejo, CA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are April and December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Casa Conejo, CA
- Average humidity in September: 61%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).
Average rainfall in September
Casa Conejo, CA
- Average rainfall in September: 0.2"
The wettest months (with the highest rainfall) are January and February (1.93").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Casa Conejo, CA
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.5 days).
Average daylight in September /
Average sunshine in September
Casa Conejo, 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 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Casa Conejo, CA
- Average sunshine days in September: 24 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is February (21 days).
Average UV index in September
Casa Conejo, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in September
Casa Conejo, CA
- Average cloud cover in September: 7
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Casa Conejo, 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).





