September weather forecastRoosevelt Lake Gardens West, AZ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Roosevelt Lake Gardens West, Arizona, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 59°F (15°C).Temperature
September signifies a minor drop in average high-temperature, transitioning from a tropical 87.1°F (30.6°C) in August to a warm 81.5°F (27.5°C). A steep decline to a mild 59°F (15°C) characterizes the September nights in Roosevelt Lake Gardens West.Heat index
The heat index for September is calculated to be 80.6°F (27°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In September, the average relative humidity in Roosevelt Lake Gardens West is 43%.Rainfall
In Roosevelt Lake Gardens West, during September, the rain falls for 10.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 85.7 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
In Roosevelt Lake Gardens West, Arizona, snow does not fall in May through October.Daylight
In Roosevelt Lake Gardens West, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 5:59 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:10 pm MST.
Sunshine
In September, the average sunshine is 9.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roosevelt Lake Gardens West, AZ
- Average high temperature in September: 81.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (50.2°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (64.6°F).
The coldest months (with the lowest average low temperature) are January and December (31.5°F).
Average pressure in September
Roosevelt Lake Gardens West, AZ
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Roosevelt Lake Gardens West, AZ
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Roosevelt Lake Gardens West, AZ
- Average humidity in September: 43%
The months with the highest relative humidity are January and December (58%).
The month with the lowest relative humidity is June (24%).
Average rainfall in September
Roosevelt Lake Gardens West, AZ
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in September
Roosevelt Lake Gardens West, AZ
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is June (3.3 days).
Average snowfall in September
Roosevelt Lake Gardens West, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Roosevelt Lake Gardens West, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roosevelt Lake Gardens West, 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: 9h and 42min
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 36min).
Average sunshine days in September
Roosevelt Lake Gardens West, AZ
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in September
Roosevelt Lake Gardens West, AZ
- Average UV index in September: 5
The months with the highest UV index are May, 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
Roosevelt Lake Gardens West, AZ
- Average cloud cover in September: 12
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in September
Roosevelt Lake Gardens West, 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).
