September weather forecastHope, AZ
September
Weather in September
The first month of the autumn, September, is still a torrid month in Hope, Arizona, with temperature in the range of an average low of 79.3°F (26.3°C) and an average high of 96.1°F (35.6°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a very hot 102.6°F (39.2°C) in August to a still sweltering 96.1°F (35.6°C). Throughout September, the average low-temperature records at a moderately hot 79.3°F (26.3°C).Humidity
The average relative humidity in September is 27%.Rainfall
In Hope, in September, during 6.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 47.8 rainfall days, and 5.24" (133mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:09 am and sunset at 6:59 pm. On the last day of September, sunrise is at 6:29 am and sunset at 6:19 pm MST.
Sunshine
In September, the average sunshine is 9.8h.UV index
The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hope, 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).
Average pressure in September
Hope, AZ
- Average pressure in September: 29.79"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in September
Hope, 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).
Average humidity in September
Hope, AZ
- Average humidity in September: 27%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Hope, 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").
Average rainfall days in September
Hope, 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).
Average daylight in September /
Average sunshine in September
Hope, 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: 10h and 0min).
- 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: 7h and 0min).
Average sunshine days in September
Hope, 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).
Average UV index in September
Hope, AZ
- Average UV index in September: 7
The 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).
Average cloud cover in September
Hope, 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).
Average visibility in September
Hope, 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).





