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 snowfall in September
- Average snowfall 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 ushers in an average high-temperature of a moderately hot 84.4°F (29.1°C), aligning closely with the preceding month. Owl, during the nights of September, registers a substantial plunge from the daytime high, averaging at a refreshing 61.2°F (16.2°C).Heat index
September's mean heat index is calculated to be 84.2°F (29°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity is 40%.Rainfall
In September, in Owl, the rain falls for 2.7 days. Throughout September, 0.16" (4mm) of precipitation is accumulated. Throughout the year, in Owl, there are 47.7 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Snowfall
January, April through October are months without snowfall in Owl.Daylight
In Owl, the average length of the day in September is 12h and 22min.On the first day of September in Owl, sunrise is at 6:21 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:32 pm PDT.
Sunshine
The average sunshine in September is 10.5h.UV index
In Owl, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Owl in September?
What is the average humidity in September in Owl?
How many days does it rain in September in Owl?
When it does not snow in Owl?
What is the average length of the day in September in Owl?
What time are sunrise and sunset in September in Owl?
How many hours of sunshine does Owl have in September?
What is the UV index reading in September in Owl?
Average temperature in September
Owl, CA
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is August (88.7°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in September
Owl, CA
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Owl, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is September (5.2mph).
Average humidity in September
Owl, CA
- Average humidity in September: 40%
The month with the highest relative humidity is February (54%).
The month with the lowest relative humidity is August (37%).
Average rainfall in September
Owl, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Owl, CA
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is December (5.9 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Owl, CA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are January, April, May, June, July, August, September and October (0").
Average snowfall days in September
Owl, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are January, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Owl, CA
- Average daylight in September: 12h and 2min
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 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Owl, CA
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in September
Owl, CA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in September
Owl, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Owl, 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).
Owl, California, USA
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