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 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
September, recognised by an average high temperature of 76.3°F (24.6°C) and a low of 59.9°F (15.5°C), is Los Osos's warmest month.Humidity
September and October, with an average relative humidity of 61%, are the least humid months in Los Osos.Rainfall
In Los Osos, in September, during 1.6 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, in Los Osos, there are 53.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.Daylight
In Los Osos, the average length of the day in September is 12h and 23min.On the first day of September in Los Osos, sunrise is at 6:36 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:48 pm PDT.
Sunshine
The average sunshine in September is 11.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Los Osos?
What is the usual temperature for Los Osos in September?
What is the least humid month in Los Osos?
What is the average humidity in September in Los Osos?
How much does it rain in Los Osos in September?
How many hours of daylight does Los Osos have in September?
When is the sunrise / sunset in September in Los Osos?
How many hours of sunshine does Los Osos have in September?
What is the UV index reading in September in Los Osos?
Average temperature in September
Los Osos, CA
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is September (76.3°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.3°F).
Average pressure in September
Los Osos, CA
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and September (29.91"Hg).
Average wind speed in September
Los Osos, CA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is May (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).
Average humidity in September
Los Osos, CA
- Average humidity in September: 61%
The month with the highest relative humidity is March (70%).
The months with the lowest relative humidity are September and October (61%).
Average rainfall in September
Los Osos, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is January (1.81").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Los Osos, CA
- Average rainfall days in September: 1.6 days
The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.7 days).
Average daylight in September /
Average sunshine in September
Los Osos, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in September
Los Osos, CA
- Average sunshine days in September: 28.1 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.1 days).
Average UV index in September
Los Osos, CA
- Average UV index in September: 5
The month with the highest UV index is August (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
Los Osos, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 7).
Average visibility in September
Los Osos, 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).
Los Osos, California, USA
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