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
As August turns into September, the average high-temperatures rest at a tropical 91.9°F (33.3°C), showing a minor variation from the prior month. In September, in Red Rock, the average low-temperature is a moderately hot 74.1°F (23.4°C).Humidity
In Red Rock, Arizona, the average relative humidity in September is 37%.Rainfall
In Red Rock, during September, the rain falls for 9.6 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 71.5 rainfall days, and 9.72" (247mm) of precipitation is accumulated.Daylight
In Red Rock, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:00 am and sunset at 6:49 pm. On the last day of September, in Red Rock, sunrise is at 6:19 am and sunset at 6:10 pm MST.
Sunshine
In Red Rock, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Red Rock, Arizona, is 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 7 in September translates into these instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Red Rock in September?
What is the average humidity in September in Red Rock?
How much does it rain in Red Rock in September?
How many hours of daylight does Red Rock have in September?
What time are sunrise and sunset in September in Red Rock?
How long on average sun shines in September in Red Rock?
What is the UV index reading in September in Red Rock?
Average temperature in September
Red Rock, AZ
- Average high temperature in September: 91.9°F
The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).
- Average low temperature in September: 74.1°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).
Average pressure in September
Red Rock, AZ
- Average pressure in September: 29.87"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Red Rock, AZ
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity in September
Red Rock, AZ
- Average humidity in September: 37%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Red Rock, AZ
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").
Average rainfall days in September
Red Rock, AZ
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).
Average daylight in September /
Average sunshine in September
Red Rock, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Red Rock, AZ
- Average sunshine days in September: 18 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).
Average UV index in September
Red Rock, AZ
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Red Rock, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in September
Red Rock, AZ
- 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).
Red Rock, Arizona, USA
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