Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The average high-temperature is a warm 83.8°F (28.8°C) in September, hardly different from the 89.1°F (31.7°C) recorded in August. Southside's temperature lowers to a mean of 63.9°F (17.7°C) during the nights in September.Heat index
For September, the heat index is computed to be a tropical 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In September, the average relative humidity in Southside, Alabama, is 74%.Rainfall
September and October are months with the least rain when the rain falls for 13.5 days and typically aggregates up to 2.4" (61mm) of rain.Snowfall
In Southside, snow does not fall in April through October.Daylight
In Southside, the average length of the day in September is 12h and 22min.On the first day of September in Southside, sunrise is at 6:18 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Southside, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
How hot does it get in Southside in September?
What is the average humidity in September in Southside?
What is the driest month in Southside?
How much does it rain in Southside in September?
When it does not snow in Southside?
What is the average length of the day in September in Southside?
When is the sunrise / sunset in September in Southside?
How many hours of sunshine does Southside have in September?
What is the UV index reading in September in Southside?
Average temperature in September
Southside, AL
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63.9°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 (34.3°F).
Average pressure in September
Southside, 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
Southside, AL
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Southside, 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
Southside, AL
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is December (4.17").
The driest months (with the least rainfall) are September and October (2.4").
Average rainfall days in September
Southside, AL
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Southside, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Southside, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Southside, AL
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Southside, AL
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Southside, 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
Southside, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Southside, AL
- 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).
Southside, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
