September weather forecast
Southside, AL

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Weather in September

September, the first month of the autumn in Southside, is still a warm month, with an average temperature ranging between max 83.8°F (28.8°C) and min 63.9°F (17.7°C).

Temperature

As September takes its course, Southside's average high-temperature registers at a warm 83.8°F (28.8°C), closely aligning with the preceding month. Southside observes an average low-temperature of 63.9°F (17.7°C) during September nights.

Heat index

September's mean heat index is evaluated at a hot 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

In Southside, the average relative humidity in September 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

April through October are months without snowfall.

Daylight

In Southside, the average length of the day in September is 12h and 22min.
On the first day of September, 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 September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 during September translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

In September, the average high-temperature and low-temperature are 83.8°F (28.8°C) and 63.9°F (17.7°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

What is the driest month?

The months with the least rainfall are September and October Rain falls for 13.5 days and accumulates 2.4" (61mm) of rain.

How much does it rain in September?

In Southside, in September, it is raining for 13.5 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Southside?

In Southside, snow does not fall in April through October.

What is the average length of the day in September?

In September, the average day length is 12h and 22min.

What time are sunrise and sunset in September?

In September, on the first day of the month, 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.

How many hours of sunshine does Southside have in September?

The average sunshine duration in September is 8.6h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Southside, AL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

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