September weather forecastMalibu, CA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Malibu, California, with an average temperature varying between 63.1°F (17.3°C) and 78.3°F (25.7°C).Temperature
Malibu, California, commences September with an average high-temperature of a still warm 78.3°F (25.7°C), maintaining a close resemblance to the previous month. During the month of September, Malibu's nighttime temperature lowers to an average of 63.1°F (17.3°C).Humidity
In Malibu, the average relative humidity in September is 61%.Rainfall
In Malibu, in September, it is raining for 2.8 days, with typically 0.16" (4mm) of accumulated precipitation. In Malibu, California, during the entire year, the rain falls for 52.4 days and collects up to 9.96" (253mm) of precipitation.Ocean temperature
In September, the average ocean temperature in Malibu is 65.1°F (18.4°C).Note: For most people, swimming in water at 65.1°F (18.4°C) is not a pleasurable experience. Breathing control gets harder as the water temperature descends from 69.8°F (21°C) to 59°F (15°C).
Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of September, in Malibu, California, sunrise is at 6:49 am and sunset at 6:40 pm PDT.
Sunshine
In Malibu, California, the average sunshine in September is 10.9h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Malibu, CA
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is February (49.3°F).
Average pressure in September
Malibu, 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
Malibu, CA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are April and December (6.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.7mph).
Average humidity in September
Malibu, 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
Malibu, CA
- Average rainfall in September: 0.16"
The wettest months (with the highest rainfall) are January and February (2.09").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Malibu, CA
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is August (1.9 days).
Average sea temperature in September
Malibu, CA
- Average sea temperature in September: 65.2°F
The best month for swimming (with the highest average sea temperature) is August (66.1°F).
The coldest month (with the lowest average sea temperature) is March (57.7°F).
Average daylight in September /
Average sunshine in September
Malibu, 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 months with the most sunshine are June and 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
Malibu, CA
- Average sunshine days in September: 23.7 days
The month with the most sunshine days is October (26.4 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in September
Malibu, 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, November and December (UV index 4).
Average cloud cover in September
Malibu, CA
- Average cloud cover in September: 8
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Malibu, 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).
