September weather forecast
Florence, AZ

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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

With the transition into September, Florence notes an average high-temperature of a hot 94.1°F (34.5°C), closely resembling August. During September, Florence experiences an average low-temperature of 76.1°F (24.5°C) at night.

Humidity

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

Rainfall

In September, in Florence, the rain falls for 7.8 days. Throughout September, 0.98" (25mm) of precipitation is accumulated. Throughout the year, in Florence, there are 61.5 rainfall days, and 8.31" (211mm) of precipitation is accumulated.

Daylight

The average length of the day in September in Florence is 12h and 22min.
On the first day of September in Florence, Arizona, 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 Florence, the average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

How hot does it get in Florence in September?

The average high-temperature and low-temperature in Florence, Arizona, during September are 94.1°F (34.5°C) and 76.1°F (24.5°C) respectively.

What is the average humidity in September in Florence?

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

How many days does it rain in September in Florence?

In September, in Florence, Arizona, the rain falls for 7.8 days. Throughout September, 0.98" (25mm) of precipitation is accumulated.

What is the average length of the day in September in Florence?

The average day length in September in Florence is 12h and 22min.

When is the sunrise / sunset in September in Florence?

In September, on the first day of the month, sunrise is at 6:00 am and sunset at 6:50 pm. On the last day of the month, in Florence, Arizona, sunrise is at 6:19 am and sunset at 6:10 pm MST.

How long on average sun shines in September in Florence?

The average sunshine duration in September is 9.6h.

How high is the UV index in September in Florence?

In Florence, Arizona, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's 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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Florence, Arizona, USA

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