September weather forecast and climate
Avra Valley, AZ

Weather in September

The first month of the autumn, September, is still a hot month in Avra Valley, Arizona, with temperature in the range of an average low of 74.1°F (23.4°C) and an average high of 91.9°F (33.3°C).

Temperature

In September, the average high-temperature is almost the same as in August - a tropical 91.9°F (33.3°C). The average low-temperature, in September, is 74.1°F (23.4°C).

Humidity

The average relative humidity in Avra Valley is 37%.

Rainfall

In Avra Valley, during 9.6 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Avra Valley, during the entire year, the rain falls for 71.5 days and collects up to 9.72" (247mm) of precipitation.

Daylight

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

Sunshine

In September, the average sunshine in Avra Valley is 9.6h.

UV index

In Avra Valley, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
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 average humidity in September in Avra Valley?

In Avra Valley, the average relative humidity in September is 37%.

How much does it rain in Avra Valley in September?

In Avra Valley, in September, during 9.6 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

How many hours of daylight does Avra Valley have in September?

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

How long on average sun shines in September in Avra Valley?

In Avra Valley, the average sunshine in September is 9.6h.

What is the UV index intensity in September in Avra Valley?

In September, the average daily maximum UV index in Avra Valley, Arizona, is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Avra Valley, AZ

Average temperature in September - Avra Valley, AZ
  • Average high temperature in September: 91.9°F

The warmest month (with the highest average high temperature) is June (99°F).
The month with the lowest average high temperature is December (61.9°F).

  • Average low temperature in September: 74.1°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (44.6°F).

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Average pressure in September
Avra Valley, AZ

Average pressure in September - Avra Valley, AZ
  • Average pressure in September: 29.87"

The month with the highest atmospheric pressure is January (30.07").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in September
Avra Valley, AZ

Average wind speed in September - Avra Valley, AZ
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are April and May (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).

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Average humidity in September
Avra Valley, AZ

Average humidity in September - Avra Valley, AZ
  • Average humidity in September: 37%

The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (18%).

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Average rainfall in September
Avra Valley, AZ

Average rainfall in September - Avra Valley, AZ
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is August (1.77").
The driest months (with the least rainfall) are April and May (0.2").

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Average rainfall days in September
Avra Valley, AZ

Average rainfall days in September - Avra Valley, AZ
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is May (2.4 days).

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Average daylight in September /
Average sunshine in September
Avra Valley, AZ

Average daylight in September / Average sunshine in September - Avra Valley, AZ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is August (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in September
Avra Valley, AZ

Average sunshine days in September - Avra Valley, AZ
  • Average sunshine days in September: 18 days

The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (13 days).

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Average UV index in September
Avra Valley, AZ

Average UV index in September - Avra Valley, 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
Avra Valley, AZ

Average cloud cover in September - Avra Valley, AZ
  • Average cloud cover in September: 13

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in September
Avra Valley, AZ

Average visibility in September - Avra Valley, 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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