September weather forecastPalos Verdes Estates, CA
September
Weather in September
September, the first month of the autumn in Palos Verdes Estates, is still a warm month, with an average temperature fluctuating between 76.1°F (24.5°C) and 64.2°F (17.9°C).Temperature
In Palos Verdes Estates, California, August and September are characterised by the peak of temperatures, recording an average high of 76.1°F (24.5°C).Humidity
In Palos Verdes Estates, the average relative humidity in September is 68%.Rainfall
In September, the rain falls for 3.9 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 57.4 rainfall days, and 7.68" (195mm) of precipitation is accumulated.Ocean temperature
In Palos Verdes Estates, in September, the average water temperature is 66.7°F (19.3°C).Note: Swimming is not a pleasant activity for most when the water temperature is 66.7°F (19.3°C). As the water temperature drops from 69.8°F (21°C) to 59°F (15°C), breathing becomes more difficult to control.
Daylight
In Palos Verdes Estates, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:38 pm PDT.
Sunshine
The average sunshine in September is 10.5h.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palos Verdes Estates, CA
- Average high temperature in September: 76.1°F
The warmest months (with the highest average high temperature) are August and September (76.1°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is August (64.4°F).
The coldest month (with the lowest average low temperature) is February (52.5°F).
Average pressure in September
Palos Verdes Estates, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in September
Palos Verdes Estates, CA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in September
Palos Verdes Estates, CA
- Average humidity in September: 68%
The month with the highest relative humidity is June (75%).
The month with the lowest relative humidity is November (58%).
Average rainfall in September
Palos Verdes Estates, CA
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is January (1.46").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Palos Verdes Estates, CA
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is August (3.3 days).
Average sea temperature in September
Palos Verdes Estates, CA
- Average sea temperature in September: 66.7°F
The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).
Average daylight in September /
Average sunshine in September
Palos Verdes Estates, 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: 10h and 0min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Palos Verdes Estates, CA
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is June (17.8 days).
Average UV index in September
Palos Verdes Estates, CA
- Average UV index in September: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Palos Verdes Estates, CA
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Palos Verdes Estates, 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).





