September weather forecastButler, AL
September
Weather in September
September, the first month of the autumn in Butler, is still a tropical month, with an average temperature fluctuating between 67.1°F (19.5°C) and 87.8°F (31°C).Temperature
With the onset of September, a modest change to a still hot 87.8°F (31°C) from August's 92.3°F (33.5°C) is noted in high-temperature. In September, the average low-temperature records at a comfortable 67.1°F (19.5°C) during the nights.Heat index
For most parts of September, the heat index is calculated to be a torrid 102.2°F (39°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The average relative humidity in September is 74%.Rainfall
In Butler, during September, the rain falls for 12.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 138.6 rainfall days, and 19.33" (491mm) of precipitation is accumulated.Snowfall
In Butler, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 21min.On the first day of September, sunrise is at 6:28 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:38 pm CDT.
Sunshine
In Butler, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Put precautions into practice - Guidance to elude sunburn is provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Butler, AL
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in September: 67.1°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in September
Butler, AL
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Butler, AL
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Butler, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Butler, AL
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in September
Butler, AL
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in September
Butler, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Butler, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Butler, AL
- Average daylight in September: 12h and 24min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Butler, AL
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Butler, AL
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Butler, AL
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Butler, AL
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).
