September weather forecast
Sedona, AZ

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Attractive red rocks in the Red Rock State Park of Sedona, Arizona
Attractive red rocks in the Red Rock State Park of Sedona, Arizona

Weather in September

September sees a gradual shift in temperatures, such as cooling evenings that mark the onset of autumn. However, daytime temperatures remain relatively high, continuing the city’s summer-like sensation. While locals and visitors continue to enjoy outdoor activities, forests display an appealing blend of green and brown, accentuating the city's scenic beauty.

Temperature

September in Sedona, Arizona, signals a slight drop in average high-temperature, sliding from August's moderately hot 83.3°F to a still warm 77.5°F. The nighttime temperature in Sedona during September exhibits a clear drop from daytime highs, settling at a cool 55.2°F.

Humidity

The average relative humidity in September in Sedona, Arizona, is 43%.

Rainfall

In Sedona, in September, it is raining for 8.9 days, with typically 0.87" of accumulated precipitation. In Sedona, Arizona, during the entire year, the rain falls for 86 days and collects up to 11.65" of precipitation.

Snowfall

May through October are months without snowfall in Sedona.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September, sunrise is at 5:59 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:12 pm MST.

Sunshine

In September, the average sunshine in Sedona is 9.7h.

UV index

In Sedona, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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FAQ

What are the temperatures in Sedona in September?

An average high-temperature, in September, in Sedona, is 77.5°F and the average low-temperature is 55.2°F. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 82.4°F.

What is the average humidity in September in Sedona?

The average relative humidity in September in Sedona is 43%.

How many days does it rain in September in Sedona?

In Sedona, in September, during 8.9 rainfall days, 0.87" of precipitation is typically accumulated.

When it does not snow in Sedona?

May through October are months without snowfall.

How many hours of daylight does Sedona have in September?

In Sedona, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Sedona?

On the first day of September in Sedona, Arizona, sunrise is at 5:59 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:12 pm MST.

How many hours of sunshine does Sedona have in September?

The average sunshine duration in September in Sedona, Arizona, is 9.7h.

How high is the UV index in September in Sedona?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sedona, AZ

Average temperature in September - Sedona, AZ
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in September: 55.2°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

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Average pressure in September
Sedona, AZ

Average pressure in September - Sedona, AZ
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Sedona, AZ

Average wind speed in September - Sedona, AZ
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in September
Sedona, AZ

Average humidity in September - Sedona, AZ
  • Average humidity in September: 43%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (24%).

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Average rainfall in September
Sedona, AZ

Average rainfall in September - Sedona, AZ
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is June (0.16").

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Average rainfall days in September
Sedona, AZ

Average rainfall days in September - Sedona, AZ
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in September
Sedona, AZ

Average snowfall in September - Sedona, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Sedona, AZ

Average snowfall days in September - Sedona, AZ
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (3.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in September /
Average sunshine in September
Sedona, AZ

Average daylight in September / Average sunshine in September - Sedona, AZ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in September
Sedona, AZ

Average sunshine days in September - Sedona, AZ
  • Average sunshine days in September: 16.8 days

The month with the most sunshine days is June (26 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in September
Sedona, AZ

Average UV index in September - Sedona, AZ
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Sedona, AZ

Average cloud cover in September - Sedona, AZ
  • Average cloud cover in September: 11

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in September
Sedona, AZ

Average visibility in September - Sedona, 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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Sedona, Arizona, USA

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