September weather forecast and climate
Davis Dam, AZ

Weather in September

September, the first month of the autumn, in Davis Dam, is also a hot month, with average temperature fluctuating between 92.8°F (33.8°C) and 75°F (23.9°C).

Temperature

In Davis Dam, the average high-temperature slightly decreases, from a torrid 100°F (37.8°C) in August, to a tropical 92.8°F (33.8°C). In September, the average low-temperature is 75°F (23.9°C).

Humidity

In September, the average relative humidity in Davis Dam is 24%.

Rainfall

In Davis Dam, Arizona, it is raining for 3.5 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 44 rainfall days, and 4.21" (107mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall.

Daylight

The average length of the day in Davis Dam is 12.4h.

Sunshine

In September, the average sunshine is 9.9h.

UV index

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Davis Dam?

In September, in Davis Dam, the average high-temperature is 92.8°F (33.8°C), and the average low-temperature is 75°F (23.9°C).

What is the average humidity in September in Davis Dam?

The average relative humidity in September is 24%.

How much does it rain in Davis Dam in September?

In Davis Dam, Arizona, during September, the rain falls for 3.5 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When it does not snow in Davis Dam?

In Davis Dam snow does not fall in January through November.

What is the average length of the day in September in Davis Dam?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Davis Dam?

The average sunshine in September in Davis Dam, Arizona, is 9.9h.

How high is the UV index in September in Davis Dam?

The average daily maximum UV index in September in Davis Dam, Arizona, is 7. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Davis Dam, AZ

Average temperature in September - Davis Dam, AZ
  • Average high temperature in September: 92.8°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in September: 75°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

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Average pressure in September
Davis Dam, AZ

Average pressure in September - Davis Dam, AZ
  • Average pressure in September: 29.83"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.76").

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Average wind speed in September
Davis Dam, AZ

Average wind speed in September - Davis Dam, AZ
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in September
Davis Dam, AZ

Average humidity in September - Davis Dam, AZ
  • Average humidity in September: 24%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

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Average rainfall in September
Davis Dam, AZ

Average rainfall in September - Davis Dam, AZ
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Davis Dam, AZ

Average rainfall days in September - Davis Dam, AZ
  • Average rainfall days in September: 3.5 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall days in September
Davis Dam, AZ

Average snowfall days in September - Davis Dam, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Davis Dam, AZ

Average daylight in September / Average sunshine in September - Davis Dam, 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: 9.8h).

  • Average sunshine in September: 9.9h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in September
Davis Dam, AZ

Average sunshine days in September - Davis Dam, AZ
  • Average sunshine days in September: 24.6 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

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Average UV index in September
Davis Dam, AZ

Average UV index in September - Davis Dam, AZ
  • Average UV index in September: 7

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Davis Dam, AZ

Average cloud cover in September - Davis Dam, AZ
  • Average cloud cover in September: 6

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Davis Dam, AZ

Average visibility in September - Davis Dam, 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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