September weather forecastMargerum, AL
September
Weather in September
The first month of the autumn, September, is still a warm month in Margerum, Alabama, with an average temperature fluctuating between 63.7°F (17.6°C) and 83.3°F (28.5°C).Temperature
The advent of September sees the average high-temperature at a warm 83.3°F (28.5°C), subtly shifted from August's 88.3°F (31.3°C). The nighttime temperature dips to an enjoyable 63.7°F (17.6°C) on average during September.Heat index
September's heat index is calculated to be a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 170.1 rainfall days, and 40.12" (1019mm) of precipitation is accumulated.Snowfall
In Margerum, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:37 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.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 unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Margerum, AL
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
Margerum, AL
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Margerum, AL
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Margerum, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Margerum, AL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Margerum, AL
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Margerum, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Margerum, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Margerum, AL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Margerum, AL
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Margerum, 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
Margerum, AL
- Average cloud cover in September: 31
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 31).
Average visibility in September
Margerum, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).





