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
The arrival of September records an average high-temperature of a warm 81.7°F (27.6°C), closely related to the 86.5°F (30.3°C) observed in August. The nighttime temperature dips to an enjoyable 63.1°F (17.3°C) on average during September.Heat index
September's average heat index is computed to be 82.4°F (28°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
With an average relative humidity of 50%, September is the most humid month.Rainfall
In Cavalay Park, Arizona, in September, it is raining for 12.9 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 92.2 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September, sunrise is at 5:57 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 6:07 pm MST.
Sunshine
The average sunshine in September is 9.9h.UV index
In Cavalay Park, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
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 Cavalay Park have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Cavalay Park have in September?
How high is the UV index in September?
Average temperature in September
Cavalay Park, AZ
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).
Average pressure in September
Cavalay Park, AZ
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Cavalay Park, AZ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Cavalay Park, AZ
- Average humidity in September: 50%
The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).
Average rainfall in September
Cavalay Park, AZ
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in September
Cavalay Park, AZ
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).
Average snowfall in September
Cavalay Park, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Cavalay Park, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cavalay Park, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Cavalay Park, AZ
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Cavalay Park, AZ
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Cavalay Park, AZ
- Average cloud cover in September: 17
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in September
Cavalay Park, 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).
Cavalay Park, Arizona, USA
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