September weather forecast and climate
Golden Valley, AZ

Weather in September

The first month of the autumn, September, is also a moderately hot month in Golden Valley, Arizona, with temperature in the range of an average low of 68.7°F (20.4°C) and an average high of 85.5°F (29.7°C).

Temperature

In Golden Valley, Arizona, the average high-temperature in September slightly decreases, from a hot 91.8°F (33.2°C) in August, to a moderately hot 85.5°F (29.7°C). The average low-temperature, is 68.7°F (20.4°C).

Humidity

In Golden Valley, Arizona, the average relative humidity is 31%.

Rainfall

In Golden Valley, Arizona, during September, the rain falls for 8.3 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Golden Valley, there are 76.7 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

In Golden Valley, Arizona, the average sunshine is 9.8h.

UV index

In Golden Valley, Arizona, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 6 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 Golden Valley?

The average high-temperature, in September, in Golden Valley, Arizona, is 85.5°F (29.7°C), while the average low-temperature is 68.7°F (20.4°C).

What is the average humidity in September in Golden Valley?

In September, the average relative humidity is 31%.

How much does it rain in Golden Valley in September?

In Golden Valley, in September, during 8.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Golden Valley?

In Golden Valley, Arizona, snow does not fall in April through October.

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

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

How many hours of sunshine does Golden Valley have in September?

The average sunshine in September is 9.8h.

How high is the UV index in September in Golden Valley?

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

Average temperature in September
Golden Valley, AZ

Average temperature in September - Golden Valley, AZ
  • Average high temperature in September: 85.5°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (51.4°F).

  • Average low temperature in September: 68.7°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is December (36.9°F).

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Average pressure in September
Golden Valley, AZ

Average pressure in September - Golden Valley, AZ
  • Average pressure in September: 29.85"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.78").

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Average wind speed in September
Golden Valley, AZ

Average wind speed in September - Golden Valley, AZ
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and December (7.3mph).

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Average humidity in September
Golden Valley, AZ

Average humidity in September - Golden Valley, AZ
  • Average humidity in September: 31%

Months with the highest relative humidity are January and December (49%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in September
Golden Valley, AZ

Average rainfall in September - Golden Valley, AZ
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in September
Golden Valley, AZ

Average rainfall days in September - Golden Valley, AZ
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is June (2 days).

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Average snowfall in September
Golden Valley, AZ

Average snowfall in September - Golden Valley, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is November (1.73").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Golden Valley, AZ

Average snowfall days in September - Golden Valley, AZ
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are February and December (1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Golden Valley, 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: 9.8h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in September
Golden Valley, AZ

Average sunshine days in September - Golden Valley, AZ
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is June (26.8 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index in September
Golden Valley, AZ

Average UV index in September - Golden Valley, AZ
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Golden Valley, AZ

Average cloud cover in September - Golden Valley, AZ
  • Average cloud cover in September: 9

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in September
Golden Valley, AZ

Average visibility in September - Golden 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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