September weather forecastApache Flats, AZ
September
Weather in September
The first month of the autumn, September, is still a warm month in Apache Flats, Arizona, with an average temperature fluctuating between 63.1°F (17.3°C) and 81.7°F (27.6°C).Temperature
The initiation of September sees an average high-temperature of a warm 81.7°F (27.6°C), showing minor variations from the previous month. Throughout the month of September, Apache Flats witnesses an average low-temperature of 63.1°F (17.3°C).Heat index
The heat index in September is evaluated at 82.4°F (28°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.For clarity, heat index numbers account for light winds and areas under shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
September is the most humid month in Apache Flats, with an average relative humidity of 50%.Rainfall
In Apache Flats, in September, during 12.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Apache Flats, during the entire year, the rain falls for 92.2 days and collects up to 15.47" (393mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Apache Flats is 12h and 21min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:44 pm. On the last day of September, sunrise is at 6:15 am and sunset at 6:07 pm MST.
Sunshine
The average sunshine in September in Apache Flats is 9.9h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Apache Flats, AZ
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).
Average pressure in September
Apache Flats, AZ
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Apache Flats, AZ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Apache Flats, AZ
- Average humidity in September: 50%
The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).
Average rainfall in September
Apache Flats, AZ
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in September
Apache Flats, AZ
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).
Average snowfall in September
Apache Flats, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Apache Flats, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.3 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
Apache Flats, 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 54min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Apache Flats, AZ
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Apache Flats, 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 January, February, November and December (UV index 3).
Average cloud cover in September
Apache Flats, 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 8).
Average visibility in September
Apache Flats, 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).
