September weather forecast
Sunny South, AL

Share

Weather in September

September, the first month of the autumn in Sunny South, is still a hot month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 88.3°F (31.3°C).

Temperature

September ushers in an average high-temperature of a still hot 88.3°F (31.3°C), aligning closely with the preceding month. Sunny South throughout September, experiences an average nighttime temperature of 67.5°F (19.7°C).

Heat index

In September, the average heat index is calculated to be a sweltering 102.2°F (39°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In September, the rain falls for 15.7 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 171.5 rainfall days, and 35.47" (901mm) of precipitation is accumulated.

Snowfall

In Sunny South, 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 6:26 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:36 pm CDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September in Sunny South is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a regular UV index of 6 translates into these guidelines:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

Sunny South in September has an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 67.5°F (19.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 102.2°F (39°C).

What is the average humidity in September?

In Sunny South, the average relative humidity in September is 73%.

How much does it rain in Sunny South in September?

In Sunny South, during September, the rain falls for 15.7 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day in September?

In Sunny South, the average day length in September is 12h and 21min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:36 pm CDT.

How many hours of sunshine does Sunny South have in September?

In Sunny South, the average sunshine duration in September is 8.8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
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
Sunny South, AL

Average temperature in September - Sunny South, AL
  • Average high temperature in September: 88.3°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in September: 67.5°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in September
Sunny South, AL

Average pressure in September - Sunny South, AL
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in September
Sunny South, AL

Average wind speed in September - Sunny South, AL
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Sunny South, AL

Average humidity in September - Sunny South, AL
  • Average humidity in September: 73%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Sunny South, AL

Average rainfall in September - Sunny South, AL
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in September
Sunny South, AL

Average rainfall days in September - Sunny South, AL
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in September
Sunny South, AL

Average snowfall in September - Sunny South, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Sunny South, AL

Average snowfall days in September - Sunny South, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Sunny South, AL

Average daylight in September / Average sunshine in September - Sunny South, AL
  • Average daylight in September: 12h and 2min

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: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Sunny South, AL

Average sunshine days in September - Sunny South, AL
  • Average sunshine days in September: 12.7 days

The months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in September
Sunny South, AL

Average UV index in September - Sunny South, AL
  • Average UV index in September: 6

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
Sunny South, AL

Average cloud cover in September - Sunny South, AL
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in September
Sunny South, AL

Average visibility in September - Sunny South, AL
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, October and November (6mi).
The months with the lowest visibility are May, July, August, September and December (5mi).

Sunny South, Alabama, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location