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 sea temperature 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
Laguna Beach's September weather, with an average high temperature of 77.4°F (25.2°C) and an average low temperature of 63.1°F (17.3°C), tends to be the warmest of the year.Humidity
In Laguna Beach, California, the average relative humidity in September is 68%.Rainfall
In Laguna Beach, in September, during 5.6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Laguna Beach, during the entire year, the rain falls for 69 days and collects up to 9.09" (231mm) of precipitation.Ocean temperature
In September, the average ocean temperature is 66.7°F (19.3°C).Note: The enjoyment of swimming decreases for most when the surface water temperature is 66.7°F (19.3°C). Breathing control becomes increasingly challenging as temperatures descend below 69.8°F (21°C).
Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:25 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:36 pm PDT.
Sunshine
In September, the average sunshine in Laguna Beach is 10.3h.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index in Laguna Beach. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are the warmest months in Laguna Beach?
What is the usual temperature for Laguna Beach in September?
What is the average humidity in September in Laguna Beach?
How many days does it rain in September in Laguna Beach?
What is the ocean temperature in September in Laguna Beach?
What is the average length of the day in September in Laguna Beach?
When is the sunrise / sunset in September in Laguna Beach?
How many hours of sunshine does Laguna Beach have in September?
What are the months with the highest UV index in Laguna Beach?
What is the UV index intensity in September in Laguna Beach?
Average temperature in September
Laguna Beach, CA
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is September (77.4°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is February (50°F).
Average pressure in September
Laguna Beach, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Laguna Beach, CA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (5mph).
Average humidity in September
Laguna Beach, CA
- Average humidity in September: 68%
The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).
Average rainfall in September
Laguna Beach, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Laguna Beach, CA
- Average rainfall days in September: 5.6 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (3 days).
Average sea temperature in September
Laguna Beach, CA
- Average sea temperature in September: 66.8°F
The best months for swimming (with the highest average sea temperature) are July and August (67.7°F).
The coldest month (with the lowest average sea temperature) is January (58.5°F).
Average daylight in September /
Average sunshine in September
Laguna Beach, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 2min
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 24min).
Average sunshine days in September
Laguna Beach, CA
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is May (19.5 days).
Average UV index in September
Laguna Beach, 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
Laguna Beach, CA
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Laguna Beach, 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).
Laguna Beach, California, USA
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