September weather forecast
Vernon, AZ

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Weather in September

September, the first month of the autumn in Vernon, is also a moderately hot month, with an average temperature ranging between min 54.5°F (12.5°C) and max 76.6°F (24.8°C).

Temperature

Vernon's transition into September involves a gentle shift in temperature, receding from a warm 82°F (27.8°C) in August to a still moderately hot 76.6°F (24.8°C). A noteworthy thermal contrast characterizes Vernon's September nights, with temperatures averaging at a cool 54.5°F (12.5°C).

Humidity

In Vernon, the average relative humidity in September is 47%.

Rainfall

In Vernon, in September, it is raining for 8.8 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 71.1 rainfall days, and 9.96" (253mm) of precipitation is accumulated.

Snowfall

In Vernon, Arizona, snow does not fall in June through September.

Daylight

In Vernon, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 5:52 am and sunset at 6:44 pm. On the last day of September, in Vernon, Arizona, sunrise is at 6:13 am and sunset at 6:03 pm MST.

Sunshine

The average sunshine in September is 10.3h.

UV index

The average daily maximum UV index in September in Vernon, Arizona, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are the temperatures in Vernon in September?

The average high-temperature and low-temperature in Vernon, Arizona, during September are 76.6°F (24.8°C) and 54.5°F (12.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in September in Vernon?

The average relative humidity in September in Vernon is 47%.

How many days does it rain in September in Vernon?

In Vernon, Arizona, in September, during 8.8 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When it does not snow in Vernon?

In Vernon, Arizona, snow does not fall in June through September.

Does it snow in Vernon in September?

In Vernon, in September, it doesn't snow. In October, it regularly snows.

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

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

When are sunrise and sunset in September in Vernon?

On the first day of September in Vernon, Arizona, sunrise is at 5:52 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:03 pm MST.

How long on average sun shines in September in Vernon?

In September, the average sunshine duration is 10.3h.

What is the UV index reading in September in Vernon?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Vernon, AZ

Average temperature in September - Vernon, AZ
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).

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Average pressure in September
Vernon, AZ

Average pressure in September - Vernon, AZ
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Vernon, AZ

Average wind speed in September - Vernon, AZ
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Vernon, AZ

Average humidity in September - Vernon, AZ
  • Average humidity in September: 47%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).

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Average rainfall in September
Vernon, AZ

Average rainfall in September - Vernon, AZ
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").

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Average rainfall days in September
Vernon, AZ

Average rainfall days in September - Vernon, AZ
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).

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Average snowfall in September
Vernon, AZ

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

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Vernon, AZ

Average snowfall days in September - Vernon, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 10h and 2min

The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days in September
Vernon, AZ

Average sunshine days in September - Vernon, AZ
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in September
Vernon, AZ

Average UV index in September - Vernon, 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
Vernon, AZ

Average cloud cover in September - Vernon, AZ
  • Average cloud cover in September: 13

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).

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Average visibility in September
Vernon, AZ

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

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