September weather forecastCentral, AZ
September
Weather in September
The first month of the autumn, September, is still a hot month in Central, Arizona, with an average temperature varying between 86.7°F (30.4°C) and 66.9°F (19.4°C).Temperature
A mild shift in the average high-temperature occurs in September, reducing from 92.1°F (33.4°C) in August to a still hot 86.7°F (30.4°C). During the month of September, Central anticipates a mean low-temperature of 66.9°F (19.4°C).Heat index
In September, the heat index is computed to be a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in September is 41%.Rainfall
In September, the rain falls for 9 days. Throughout September, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 78.6 rainfall days, and 8.39" (213mm) of precipitation is accumulated.Snowfall
In Central, snow does not fall in March through November.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 5:54 am and sunset at 6:43 pm. On the last day of September, sunrise is at 6:13 am and sunset at 6:04 pm MST.
Sunshine
In September, the average sunshine is 10.4h.UV index
In Central, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 6 during September translates into these guidelines:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Central, AZ
- Average high temperature in September: 86.7°F
The warmest month (with the highest average high temperature) is June (94.3°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in September: 66.9°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in September
Central, AZ
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Central, AZ
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are April and May (7.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.4mph).
Average humidity in September
Central, AZ
- Average humidity in September: 41%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Central, AZ
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in September
Central, AZ
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is May (2.7 days).
Average snowfall in September
Central, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Central, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Central, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 24min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Central, AZ
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is May (27.3 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Central, AZ
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Central, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 20).
The months with the least cloud cover are May and June (Cloud cover 8).
Average visibility in September
Central, 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).





