September weather forecast
Florence, AZ

Share
One of the historic buildings of Florence City in Arizona
One of the historic buildings of Florence City in Arizona

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.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The high-temperature, in September, in Florence, records 94.1°F (34.5°C), while the low-temperature is 76.1°F (24.5°C).

What is the average humidity in September?

In Florence, the average relative humidity in September is 33%.

How many days does it rain in September?

In Florence, in September, it is raining for 7.8 days, with typically 0.98" (25mm) of accumulated precipitation.

How many hours of daylight does Florence have in September?

In September, the average day length is 12h and 22min.

What time are sunrise and sunset in September?

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.

How many hours of sunshine does Florence have in September?

In Florence, Arizona, the average sunshine duration in September is 9.6h.

What is the UV index reading in September in Florence?

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 UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Florence, AZ

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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Florence, 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 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 - 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 - 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 - 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 - 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).

Florence, Arizona, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location