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 signifies a gentle decline in Shadow Ridge Creek's average high-temperature, easing from a tropical 93.7°F (34.3°C) in August to a still hot 86.9°F (30.5°C). Shadow Ridge Creek records an average low of 67.6°F (19.8°C) throughout the nights in September.Humidity
In September, the average relative humidity in Shadow Ridge Creek is 32%.Rainfall
In Shadow Ridge Creek, California, in September, it is raining for 6.1 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 54 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm PDT.
Sunshine
The average sunshine in September is 10.5h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Shadow Ridge Creek have in September?
What is the UV index intensity in September?
Average temperature in September
Shadow Ridge Creek, CA
- Average high temperature in September: 86.9°F
The warmest months (with the highest average high temperature) are July and August (93.7°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure in September
Shadow Ridge Creek, CA
- Average pressure in September: 29.84"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Shadow Ridge Creek, CA
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is May (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).
Average humidity in September
Shadow Ridge Creek, CA
- Average humidity in September: 32%
The month with the highest relative humidity is December (47%).
The months with the lowest relative humidity are June, July and August (29%).
Average rainfall in September
Shadow Ridge Creek, CA
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.14").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in September
Shadow Ridge Creek, CA
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is June (1.5 days).
Average daylight in September /
Average sunshine in September
Shadow Ridge Creek, 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 June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Shadow Ridge Creek, CA
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.1 days).
Average UV index in September
Shadow Ridge Creek, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Shadow Ridge Creek, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Shadow Ridge Creek, 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).
Shadow Ridge Creek, California, USA
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