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 in Casa Grande reveals an average high-temperature of a still sweltering 95.9°F (35.5°C), showing minimal difference from the prior month. Throughout September, the average low-temperature in Casa Grande dips to a moderately hot 77.2°F (25.1°C).Humidity
In September, the average relative humidity in Casa Grande is 33%.Rainfall
In Casa Grande, in September, during 7.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, in Casa Grande, there are 59.1 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:02 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:12 pm MST.
Sunshine
In Casa Grande, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 7 in September suggests the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot is it in Casa Grande in September?
What is the average humidity in September in Casa Grande?
How much does it rain in Casa Grande in September?
What is the average length of the day in September in Casa Grande?
What time are sunrise and sunset in September in Casa Grande?
How long on average sun shines in September in Casa Grande?
What is the UV index reading in September in Casa Grande?
Average temperature in September
Casa Grande, AZ
- Average high temperature in September: 95.9°F
The warmest month (with the highest average high temperature) is July (102°F).
The month with the lowest average high temperature is December (62.6°F).
- Average low temperature in September: 77.2°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in September
Casa Grande, AZ
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Casa Grande, AZ
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.9mph).
Average humidity in September
Casa Grande, AZ
- Average humidity in September: 33%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (16%).
Average rainfall in September
Casa Grande, AZ
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is July (1.02").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Casa Grande, AZ
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.8 days).
Average daylight in September /
Average sunshine in September
Casa Grande, 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 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Casa Grande, AZ
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in September
Casa Grande, 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
Casa Grande, AZ
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Casa Grande, 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).
Casa Grande, Arizona, USA
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