September weather forecastWarren, AZ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Warren, Arizona, with an average temperature fluctuating between 83.1°F (28.4°C) and 64°F (17.8°C).Temperature
September's arrival registers an average high-temperature of a warm 83.1°F (28.4°C), closely aligning with the temperature of the previous month. September is noted for a mean low-temperature of 64°F (17.8°C).Heat index
The heat index value during September is computed to be 84.2°F (29°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in September in Warren, Arizona, is 48%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 82 rainfall days, and 11.85" (301mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 20min.On the first day of September in Warren, sunrise is at 5:55 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:05 pm MST.
Sunshine
In Warren, the average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index in Warren is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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
Warren, 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).





