September weather forecast
Margerum, AL

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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.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Margerum?

During September, Margerum experiences an average high-temperature of 83.3°F (28.5°C) and a low-temperature of 63.7°F (17.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How many days does it rain in September?

In Margerum, during September, the rain falls for 12.6 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

In Margerum, snow does not fall in May through October.

What is the average length of the day in September?

In September, the average day length is 12h and 23min.

When is the sunrise / sunset in September?

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.

How many hours of sunshine does Margerum have in September?

In September, the average sunshine duration is 8.9h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Margerum, AL

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

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 5min

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 - 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 - 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 - 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 - 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).

Margerum, Alabama, USA

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