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 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
Crown Jewel ushers in September with an average high-temperature of a still hot 86.2°F (30.1°C), showing a close resemblance to the previous month. Contrasting the daytime warmth, Crown Jewel's September nights cool down to an average of 62.6°F (17°C).Heat index
The heat index value for September is computed to be a hot 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Crown Jewel, the average relative humidity in September is 40%.Rainfall
In September, the rain falls for 2.4 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. Throughout the year, there are 46.2 rainfall days, and 6.02" (153mm) of precipitation is accumulated.Snowfall
January, March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:22 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm PDT.
Sunshine
In Crown Jewel, the average sunshine in September is 10.6h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Crown Jewel have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Crown Jewel, CA
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in September: 62.6°F
The month with the highest average low temperature is August (66.2°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).
Average pressure in September
Crown Jewel, 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 (29.84"Hg).
Average wind speed in September
Crown Jewel, CA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in September
Crown Jewel, CA
- Average humidity in September: 40%
The months with the highest relative humidity are February and March (52%).
The month with the lowest relative humidity is August (37%).
Average rainfall in September
Crown Jewel, CA
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Crown Jewel, CA
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is December (6.5 days).
The month with the least rainy days is June (1.1 days).
Average snowfall days in September
Crown Jewel, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Crown Jewel, 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 4min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Crown Jewel, CA
- Average sunshine days in September: 26.5 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (21.8 days).
Average UV index in September
Crown Jewel, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Crown Jewel, CA
- Average cloud cover in September: 6
The months with the most cloud cover are February, March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Crown Jewel, 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).
Crown Jewel, California, USA
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