September weather forecastHeflin, AL
September
Weather in September
September, the first month of the autumn in Heflin, is still a warm month, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 82.9°F (28.3°C).Temperature
The weather during September records an average high-temperature of a warm 82.9°F (28.3°C), closely mirroring the preceding month. An average low-temperature of 63.3°F (17.4°C) marks the month of September.Heat index
September's average heat index is estimated at a hot 89.6°F (32°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for 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
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 3.15" (80mm) of precipitation is accumulated. Throughout the year, there are 186.4 rainfall days, and 42.36" (1076mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:16 am and sunset at 7:07 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:27 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heflin, AL
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 63.3°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 (34.3°F).
Average pressure in September
Heflin, 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
Heflin, AL
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Heflin, AL
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Heflin, AL
- Average rainfall in September: 3.15"
The wettest month (with the highest rainfall) is August (4.45").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in September
Heflin, AL
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Heflin, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Heflin, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 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
Heflin, 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: 10h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Heflin, AL
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in September
Heflin, AL
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Heflin, AL
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Heflin, AL
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, July, August, September and December (5mi).
