September weather forecast and climate
McVay, AZ

Weather in September

September, the first month of the autumn, in McVay, is still a very hot month, with temperature in the range of an average high of 96.1°F (35.6°C) and an average low of 79.3°F (26.3°C).

Temperature

In September, the average high-temperature marginally drops, from a torrid 102.6°F (39.2°C) in August, to a still very hot 96.1°F (35.6°C). In McVay, Arizona, the average low-temperature is 79.3°F (26.3°C).

Humidity

In September, the average relative humidity in McVay is 27%.

Rainfall

In McVay, during September, the rain falls for 6.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, in McVay, there are 47.8 rainfall days, and 5.24" (133mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in September is 9.8h.

UV index

In September, the average daily maximum UV index in McVay is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for average individuals.
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in McVay?

The average high-temperature, in September, in McVay, Arizona, is 96.1°F (35.6°C), while the average low-temperature is 79.3°F (26.3°C).

What is the average humidity in September in McVay?

In September, the average relative humidity is 27%.

How many days does it rain in September in McVay?

In McVay, during September, the rain falls for 6.5 days and regularly aggregates up to 0.71" (18mm) of precipitation.

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

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

How many hours of sunshine does McVay have in September?

The average sunshine in September in McVay, Arizona, is 9.8h.

What is the UV index reading in September in McVay?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
McVay, AZ

Average temperature in September - McVay, AZ
  • Average high temperature in September: 96.1°F

The warmest month (with the highest average high temperature) is July (103.1°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in September: 79.3°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

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Average pressure in September
McVay, AZ

Average pressure in September - McVay, AZ
  • Average pressure in September: 29.79"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.74").

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Average wind speed in September
McVay, AZ

Average wind speed in September - McVay, AZ
  • Average wind speed in September: 6.7mph

The windiest months (with the highest average wind speed) are April and May (8.8mph).
The calmest months (with the lowest average wind speed) are January, November and December (6mph).

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Average humidity in September
McVay, AZ

Average humidity in September - McVay, AZ
  • Average humidity in September: 27%

Months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in September
McVay, AZ

Average rainfall in September - McVay, AZ
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0.08").

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Average rainfall days in September
McVay, AZ

Average rainfall days in September - McVay, AZ
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is May (1.4 days).

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

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

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.8h

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

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Average sunshine days in September
McVay, AZ

Average sunshine days in September - McVay, AZ
  • Average sunshine days in September: 21.6 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is August (19.5 days).

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Average UV index in September
McVay, AZ

Average UV index in September - McVay, 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
McVay, AZ

Average cloud cover in September - McVay, AZ
  • Average cloud cover in September: 8

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
McVay, AZ

Average visibility in September - McVay, 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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