September weather forecastFlorence, AZ
September
Weather in September
September signals a gradual receding of summer’s intensity in Florence, Arizona. Temperatures soften, creating a balanced climate that provides respite from the preceding blistering months. In September the city receives a justifiable share of rainfall, noted at 0.98" (25mm). This late summer rain illustrates the transitional weather between the hot, arid summer and cooler fall conditions. This period showcases an exquisite blend of summer's warmth and autumn's refreshing breeze.Temperature
The advent of September presents an average high-temperature of a tropical 94.1°F (34.5°C), maintaining a close correlation with the preceding month. Throughout September, Florence registers a consistent average low-temperature of 76.1°F (24.5°C).Humidity
In September, the average relative humidity is 33%.Rainfall
In September, the rain falls for 7.8 days. Throughout September, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 61.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:00 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:10 pm MST.
Sunshine
In September, the average sunshine is 9.6h.UV index
In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Florence, AZ
- Average high temperature in September: 94.1°F
The warmest month (with the highest average high temperature) is July (100.2°F).
The month with the lowest average high temperature is December (62.1°F).
- Average low temperature in September: 76.1°F
The month with the highest average low temperature is August (81.7°F).
The coldest months (with the lowest average low temperature) are January and December (45.9°F).
Average pressure in September
Florence, AZ
- Average pressure in September: 29.88"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Florence, AZ
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is December (5.6mph).
Average humidity in September
Florence, 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 (17%).
Average rainfall in September
Florence, AZ
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Florence, AZ
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (2 days).
Average daylight in September /
Average sunshine in September
Florence, AZ
- Average daylight in September: 12h and 24min
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 36min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Florence, AZ
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.4 days).
Average UV index in September
Florence, 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
Florence, AZ
- Average cloud cover in September: 12
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
Florence, 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).
