September weather forecastRuby, AZ
September
Weather in September
September, the first month of the autumn in Ruby, is also a moderately hot month, with an average temperature ranging between min 65.3°F (18.5°C) and max 83.8°F (28.8°C).Temperature
September records an average high-temperature of a moderately hot 83.8°F (28.8°C), indicating a minor variation from the preceding month. Ruby experiences an average temperature drop to an enjoyable 65.3°F (18.5°C) during September nights.Heat index
For most parts of September, the heat index is computed to be 84.2°F (29°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in September is 50%.Rainfall
In Ruby, in September, it is raining for 13 days, with typically 2.48" (63mm) of accumulated precipitation. In Ruby, during the entire year, the rain falls for 89.6 days and collects up to 15.94" (405mm) of precipitation.Snowfall
In Ruby, snow does not fall in April through November.Daylight
In Ruby, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:01 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 6:10 pm MST.
Sunshine
In Ruby, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ruby, AZ
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is June (91.6°F).
The month with the lowest average high temperature is December (59.7°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).
Average pressure in September
Ruby, AZ
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Ruby, AZ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is May (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Ruby, AZ
- Average humidity in September: 50%
The month with the highest relative humidity is August (52%).
The months with the lowest relative humidity are May and June (24%).
Average rainfall in September
Ruby, AZ
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in September
Ruby, AZ
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is May (1.7 days).
Average snowfall in September
Ruby, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.18").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Ruby, AZ
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (0.9 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in September /
Average sunshine in September
Ruby, AZ
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Ruby, AZ
- Average sunshine days in September: 14 days
The month with the most sunshine days is May (29 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Ruby, AZ
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Ruby, AZ
- Average cloud cover in September: 17
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in September
Ruby, 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).





