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 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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a hot 87.4°F (30.8°C) in August to a warm 81.5°F (27.5°C). In September, the nighttime temperature in Rimrock, Arizona, plummets remarkably from the daily apex to a steady average of 59.7°F (15.4°C).Heat index
Throughout September, the heat index is appraised at 80.6°F (27°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Rimrock, the average relative humidity in September is 40%.Rainfall
In Rimrock, in September, during 9.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 82.6 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
In Rimrock, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:00 am and sunset at 6:53 pm. On the last day of September, in Rimrock, Arizona, sunrise is at 6:21 am and sunset at 6:12 pm MST.
Sunshine
In Rimrock, the average sunshine in September is 9.7h.UV index
In Rimrock, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Rimrock have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Rimrock have in September?
What is the UV index reading in September?
Average temperature in September
Rimrock, AZ
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in September
Rimrock, AZ
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Rimrock, AZ
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are April and May (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Rimrock, AZ
- Average humidity in September: 40%
The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is June (23%).
Average rainfall in September
Rimrock, AZ
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in September
Rimrock, AZ
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is June (2.3 days).
Average snowfall in September
Rimrock, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Rimrock, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rimrock, AZ
- 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: 9h and 4min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Rimrock, AZ
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is May (26.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Rimrock, AZ
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Rimrock, AZ
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Rimrock, 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).
Rimrock, Arizona, USA
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