September weather forecastGolden Valley, AZ
September
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 85.5°F (29.7°C) and 68.7°F (20.4°C).Temperature
Golden Valley's progression into September involves a gentle drop in the average high-temperature, from a hot 91.8°F (33.2°C) in August to a warm 85.5°F (29.7°C). During September nights, Golden Valley witnesses a consistent average temperature of 68.7°F (20.4°C).Humidity
In Golden Valley, the average relative humidity in September is 31%.Rainfall
In Golden Valley, Arizona, in September, during 8.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. 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, Arizona, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:03 pm. On the last day of September, sunrise is at 6:31 am and sunset at 6:21 pm MST.
Sunshine
The average sunshine in September is 9.8h.UV index
In Golden Valley, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in September /
Average sunshine in September
Golden Valley, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- 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).
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).
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).
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).
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).
