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 advent of September brings a subtle shift in temperature, with the average high moving from a hot 93.7°F (34.3°C) in August to a still tropical 86.9°F (30.5°C). Throughout September, the average low-temperature records at an enjoyable 67.6°F (19.8°C).Humidity
In September, the average relative humidity is 32%.Rainfall
In Rancho Mirage, in September, during 6.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 54 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
The average length of the day in September in Rancho Mirage, California, is 12h and 22min.On the first day of September in Rancho Mirage, sunrise is at 6:20 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
In Rancho Mirage, California, the average sunshine in September is 10.5h.UV index
In Rancho Mirage, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
How hot is September in Rancho Mirage?
What is the average humidity in September in Rancho Mirage?
How much does it rain in Rancho Mirage in September?
How many hours of daylight does Rancho Mirage have in September?
When is the sunrise / sunset in September in Rancho Mirage?
How long on average sun shines in September in Rancho Mirage?
What is the UV index reading in September in Rancho Mirage?
Average temperature in September
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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 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
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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
Rancho Mirage, 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).
Rancho Mirage, California, USA
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