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
The onset of September manifests an average high-temperature of a moderately hot 85.3°F (29.6°C), demonstrating a minor variation from the preceding month. Quail Valley's daily high temperature significantly diverges from the consistently recorded temperature low averaging a comfortable 61.7°F (16.5°C) in September.Heat index
In September, the average heat index is appraised at a tropical 87.8°F (31°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In Quail Valley, the average relative humidity in September is 51%.Rainfall
In September, the rain falls for 1.8 days. Throughout September, 0.04" (1mm) of precipitation is accumulated. In Quail Valley, California, during the entire year, the rain falls for 34.6 days and collects up to 2.56" (65mm) of precipitation.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September in Quail Valley, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.
Sunshine
In Quail Valley, the average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
Is it hot in Quail Valley during September?
What is the average humidity in September in Quail Valley?
How many days does it rain in September in Quail Valley?
How many hours of daylight does Quail Valley have in September?
What time are sunrise and sunset in September in Quail Valley?
How long on average sun shines in September in Quail Valley?
What is the UV index reading in September in Quail Valley?
Average temperature in September
Quail Valley, CA
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is August (89.1°F).
The month with the lowest average high temperature is December (61.5°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).
Average pressure in September
Quail Valley, CA
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Quail Valley, CA
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.1mph).
Average humidity in September
Quail Valley, CA
- Average humidity in September: 51%
The month with the highest relative humidity is May (62%).
The months with the lowest relative humidity are August and November (50%).
Average rainfall in September
Quail Valley, CA
- Average rainfall in September: 0.04"
The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in September
Quail Valley, CA
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).
Average daylight in September /
Average sunshine in September
Quail Valley, 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: 10h and 0min).
- Average sunshine in September: 10h and 4min
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 36min).
Average sunshine days in September
Quail Valley, CA
- Average sunshine days in September: 26.6 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in September
Quail Valley, CA
- Average UV index in September: 6
The month with the highest UV index is August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Quail Valley, CA
- Average cloud cover in September: 8
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Quail Valley, 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).
Quail Valley, California, USA
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