September weather forecast and climate
Sedona, AZ

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

The first month of the autumn, September, is also a moderately hot month in Sedona, Arizona, with average temperature fluctuating between 77.5°F (25.3°C) and 55.2°F (12.9°C).

Temperature

In Sedona, Arizona, the average high-temperature in September marginally drops, from 83.3°F (28.5°C) in August, to a still moderately hot 77.5°F (25.3°C). In Sedona, in September, the average low-temperature is 55.2°F (12.9°C).

Humidity

The average relative humidity in September is 43%.

Rainfall

In Sedona, during 8.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Sedona, 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, the average length of the day is 12.4h.

Sunshine

In Sedona, the average sunshine in September 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 moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Sedona?

In Sedona, in September, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 55.2°F (12.9°C).

What is the average humidity in September in Sedona?

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

How many days does it rain in September in Sedona?

In Sedona, in September, it is raining for 8.9 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Sedona?

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

How many hours of daylight does Sedona have in September?

In Sedona, the average length of the day in September is 12.4h.

How long on average sun shines in September in Sedona?

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

How high is the UV index in September in Sedona?

In Sedona, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

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"

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

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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").
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).
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: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.7h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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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

Months with the highest UV index are June, July and August (UV index 6).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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