September weather forecastSponseller, AZ
September
Weather in September
September, the first month of the autumn in Sponseller, is also a moderately hot month, with an average temperature fluctuating between 54.5°F (12.5°C) and 76.6°F (24.8°C).Temperature
In the transition to September, Sponseller observes a minor drop in the average high-temperature, shifting from a moderately hot 82°F (27.8°C) in August to a still warm 76.6°F (24.8°C). A noteworthy thermal contrast characterizes Sponseller's September nights, with temperatures averaging at a cool 54.5°F (12.5°C).Humidity
The average relative humidity in September is 47%.Rainfall
In Sponseller, in September, it is raining for 8.8 days, with typically 0.79" (20mm) of accumulated precipitation. In Sponseller, during the entire year, the rain falls for 71.1 days and collects up to 9.96" (253mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 5:53 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:04 pm MST.
Sunshine
In Sponseller, the average sunshine in September is 10.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sponseller, AZ
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is June (83.3°F).
The months with the lowest average high temperature are January and December (45.7°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61°F).
The coldest months (with the lowest average low temperature) are January and December (27°F).
Average pressure in September
Sponseller, AZ
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Sponseller, AZ
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Sponseller, AZ
- Average humidity in September: 47%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is June (26%).
Average rainfall in September
Sponseller, AZ
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in September
Sponseller, AZ
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is June (2.8 days).
Average snowfall in September
Sponseller, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sponseller, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sponseller, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 18min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Sponseller, AZ
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in September
Sponseller, AZ
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sponseller, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in September
Sponseller, 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).





