September weather forecast
Second Mesa, AZ

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Weather in September

The first month of the autumn, September, is still a warm month in Second Mesa, Arizona, with an average temperature ranging between max 80.8°F (27.1°C) and min 61.7°F (16.5°C).

Temperature

September signifies a gentle decline in Second Mesa's average high-temperature, easing from a tropical 87.6°F (30.9°C) in August to a warm 80.8°F (27.1°C). Second Mesa reports a consistent average low-temperature of 61.7°F (16.5°C) throughout September nights.

Humidity

In Second Mesa, the average relative humidity in September is 32%.

Rainfall

In Second Mesa, during September, the rain falls for 4.1 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Second Mesa, during the entire year, the rain falls for 57 days and collects up to 4.92" (125mm) of precipitation.

Snowfall

May through September are months without snowfall in Second Mesa.

Daylight

In Second Mesa, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 5:54 am and sunset at 6:48 pm. On the last day of September, in Second Mesa, sunrise is at 6:16 am and sunset at 6:06 pm MST.

Sunshine

In Second Mesa, the average sunshine in September is 10.1h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What are September temperatures in Second Mesa?

An average high-temperature, in September, in Second Mesa, is 80.8°F (27.1°C) and the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in September in Second Mesa?

In September, the average relative humidity in Second Mesa is 32%.

How many days does it rain in September in Second Mesa?

In Second Mesa, Arizona, during September, the rain falls for 4.1 days and regularly aggregates up to 0.31" (8mm) of precipitation.

When it does not snow in Second Mesa?

In Second Mesa, snow does not fall in May through September.

Does it snow in Second Mesa in September?

In Second Mesa, Arizona, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Second Mesa have in September?

The average day length in September in Second Mesa is 12h and 23min.

When is the sunrise / sunset in September in Second Mesa?

On the first day of September in Second Mesa, Arizona, sunrise is at 5:54 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 6:06 pm MST.

How long on average sun shines in September in Second Mesa?

In September, the average sunshine duration is 10.1h.

How high is the UV index in September in Second Mesa?

The average daily maximum UV index in September in Second Mesa, Arizona, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Second Mesa, AZ

Average temperature in September - Second Mesa, AZ
  • Average high temperature in September: 80.8°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28°F).

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Average pressure in September
Second Mesa, AZ

Average pressure in September - Second Mesa, AZ
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Second Mesa, AZ

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

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).

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Average humidity in September
Second Mesa, AZ

Average humidity in September - Second Mesa, AZ
  • Average humidity in September: 32%

The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is June (18%).

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Average rainfall in September
Second Mesa, AZ

Average rainfall in September - Second Mesa, AZ
  • Average rainfall in September: 0.31"

The wettest month (with the highest rainfall) is January (0.59").
The driest month (with the least rainfall) is June (0.2").

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Average rainfall days in September
Second Mesa, AZ

Average rainfall days in September - Second Mesa, AZ
  • Average rainfall days in September: 4.1 days

The month with the highest number of rainy days is July (6.5 days).
The month with the least rainy days is June (2.6 days).

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Average snowfall in September
Second Mesa, AZ

Average snowfall in September - Second Mesa, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Second Mesa, AZ

Average snowfall days in September - Second Mesa, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Second Mesa, AZ

Average daylight in September / Average sunshine in September - Second Mesa, 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 48min).

  • Average sunshine in September: 10h and 1min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in September
Second Mesa, AZ

Average sunshine days in September - Second Mesa, AZ
  • Average sunshine days in September: 23.8 days

The month with the most sunshine days is June (26.7 days).
The month with the least sunshine days is February (20.7 days).

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Average UV index in September
Second Mesa, AZ

Average UV index in September - Second Mesa, AZ
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
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
Second Mesa, AZ

Average cloud cover in September - Second Mesa, AZ
  • Average cloud cover in September: 8

The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and September (Cloud cover 8).

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Average visibility in September
Second Mesa, AZ

Average visibility in September - Second Mesa, 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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Second Mesa, Arizona, USA

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