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 reveals a small adjustment in temperature, transitioning from an average high of a moderately hot 83.3°F (28.5°C) in August to a still warm 77.5°F (25.3°C). A steady average of 55.2°F (12.9°C) throughout September underscores a considerable divergence from the daytime high.

Humidity

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

Rainfall

In Sedona, during September, the rain falls for 8.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Sedona, Arizona, during the entire year, the rain falls for 86 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

In Sedona, snow does not fall in May through October.

Daylight

In Sedona, Arizona, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:00 am and sunset at 6:53 pm. On the last day of September, in Sedona, sunrise is at 6:21 am and sunset at 6:11 pm MST.

Sunshine

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

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What are September temperatures in Sedona?

In September, in Sedona, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 55.2°F (12.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 82.4°F (28°C).

What is the average humidity in September in Sedona?

In September, the average relative humidity is 43%.

How much does it rain in Sedona in September?

In Sedona, Arizona, during September, the rain falls for 8.9 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When it does not snow in Sedona?

In Sedona, snow does not fall in May through October.

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

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

What time are sunrise and sunset in September in Sedona?

In September, on the first day of the month, sunrise is at 6:00 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 6:11 pm MST.

How long on average sun shines in September in Sedona?

In September, the average sunshine duration is 9.7h.

What is the UV index reading in September in Sedona?

In Sedona, Arizona, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
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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