September weather forecast
Golden Valley, AZ

Weather in September

The first month of the autumn, September, is still a warm month in Golden Valley, Arizona, with an average temperature fluctuating between 68.7°F (20.4°C) and 85.5°F (29.7°C).

Temperature

In September, the average high-temperature marginally drops from a tropical 91.8°F (33.2°C) in August to a warm 85.5°F (29.7°C). In September, the average low-temperature is 68.7°F (20.4°C).

Humidity

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

Rainfall

In Golden Valley, it is raining for 8.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Golden Valley, during the entire year, the rain falls for 76.7 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

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

Daylight

In Golden Valley, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:09 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 6:22 pm MST.

Sunshine

In Golden Valley, the average sunshine in September is 9.8h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Golden Valley?

The average high-temperature, in September, in Golden Valley, 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, it is raining for 8.3 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Golden Valley?

April through October are months without snowfall.

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

In Golden Valley, Arizona, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Golden Valley?

In September, on the first day of the month, sunrise is at 6:09 am and sunset at 7:04 pm. On the last day of the month, in Golden Valley, Arizona, sunrise is at 6:30 am and sunset at 6:22 pm MST.

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

The average sunshine duration in September in Golden Valley is 9.8h.

What is the UV index reading in September in Golden Valley?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"Hg

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

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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%

The 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").
The 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

The months with the highest number of snowfall days are February and December (1 days).
The 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: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 50min).

  • Average sunshine in September: 9h and 48min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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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

The 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

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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