September weather forecastRileys El Encinar, AZ
September
Weather in September
The first month of the autumn, September, is still a warm month in Rileys El Encinar, Arizona, with an average temperature fluctuating between 64°F (17.8°C) and 83.1°F (28.4°C).Temperature
September's advent presents an average high-temperature of a warm 83.1°F (28.4°C), indicating a slight variation from the conditions of the previous month. September nights in Rileys El Encinar observe an average temperature dip to an enjoyable 64°F (17.8°C).Heat index
The heat index for September is calculated to be 84.2°F (29°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Consider that heat index readings are for situations in the shade and light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In Rileys El Encinar, the average relative humidity in September is 48%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. In Rileys El Encinar, during the entire year, the rain falls for 82 days and collects up to 11.85" (301mm) of precipitation.Snowfall
In Rileys El Encinar, snow does not fall in April through October.Daylight
In Rileys El Encinar, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 5:56 am and sunset at 6:43 pm. On the last day of September, sunrise is at 6:13 am and sunset at 6:05 pm MST.
Sunshine
The average sunshine in September is 10.1h.UV index
The average daily maximum UV index in September in Rileys El Encinar is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rileys El Encinar, AZ
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in September
Rileys El Encinar, AZ
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Rileys El Encinar, AZ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Rileys El Encinar, AZ
- Average humidity in September: 48%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).
Average rainfall in September
Rileys El Encinar, AZ
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").
Average rainfall days in September
Rileys El Encinar, AZ
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).
Average snowfall in September
Rileys El Encinar, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rileys El Encinar, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rileys El Encinar, 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: 10h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Rileys El Encinar, AZ
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Rileys El Encinar, AZ
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Rileys El Encinar, AZ
- Average cloud cover in September: 16
The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in September
Rileys El Encinar, 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).
