September weather forecastSan Pedro, CA
September
Weather in September
September, the first month of the autumn in San Pedro, is still a warm month, with an average temperature ranging between max 75.9°F (24.4°C) and min 64.2°F (17.9°C).Temperature
San Pedro's warmest period falls in August and September, when the average high-temperatures ascend to 75.9°F (24.4°C).Humidity
In September, the average relative humidity is 68%.Rainfall
In San Pedro, during September, the rain falls for 3.9 days and regularly aggregates up to 0.24" (6mm) of precipitation. In San Pedro, California, during the entire year, the rain falls for 57.9 days and collects up to 6.65" (169mm) of precipitation.Daylight
The average length of the day in September in San Pedro 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, in San Pedro, sunrise is at 6:47 am and sunset at 6:38 pm PDT.
Sunshine
In September, the average sunshine in San Pedro 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Pedro, CA
- Average high temperature in September: 75.9°F
The warmest months (with the highest average high temperature) are August and September (75.9°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 September (64.2°F).
The coldest month (with the lowest average low temperature) is February (52.7°F).
Average pressure in September
San Pedro, 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
San Pedro, 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
San Pedro, 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
San Pedro, CA
- Average rainfall in September: 0.24"
The wettest month (with the highest rainfall) is January (1.3").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
San Pedro, CA
- Average rainfall days in September: 3.9 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (3 days).
Average daylight in September /
Average sunshine in September
San Pedro, 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 month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
San Pedro, CA
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is June (17.7 days).
Average UV index in September
San Pedro, 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
San Pedro, CA
- Average cloud cover in September: 12
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
San Pedro, 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).
