September weather forecastArmstead, AL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Armstead, Alabama, with an average temperature varying between 63.7°F (17.6°C) and 82.9°F (28.3°C).Temperature
Armstead's weather in September indicates an average high-temperature of a moderately hot 82.9°F (28.3°C), nearly consistent with the 87.6°F (30.9°C) of August. In Armstead, an average low-temperature of 63.7°F (17.6°C) is recorded during September nights.Heat index
During September, the heat index is evaluated at a tropical 89.6°F (32°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. 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 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are largely significant for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The average relative humidity in September is 75%.Rainfall
In Armstead, Alabama, in September, it is raining for 15.5 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 180.2 rainfall days, and 42.24" (1073mm) of precipitation is accumulated.Snowfall
In Armstead, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:31 pm CDT.
Sunshine
In Armstead, Alabama, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Armstead, AL
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Armstead, AL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Armstead, AL
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Armstead, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Armstead, AL
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.4").
Average rainfall days in September
Armstead, AL
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Armstead, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Armstead, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Armstead, AL
- 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: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Armstead, AL
- Average sunshine days in September: 13.1 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Armstead, AL
- 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 and December (UV index 2).
Average cloud cover in September
Armstead, AL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 32).
Average visibility in September
Armstead, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
