September weather forecast
Glen Mary, AL

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Weather in September

September, the first month of the autumn in Glen Mary, is still a warm month, with an average temperature ranging between max 83.7°F (28.7°C) and min 64°F (17.8°C).

Temperature

September reports an average high-temperature of a moderately hot 83.7°F (28.7°C), slightly varied from August's 88.9°F (31.6°C). Glen Mary's September nights cool down to an average low-temperature of 64°F (17.8°C).

Heat index

The heat index for September is computed to be a hot 91.4°F (33°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

In September, the average relative humidity in Glen Mary, Alabama, is 74%.

Rainfall

In Glen Mary, in September, during 14 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 174.6 rainfall days, and 42.8" (1087mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Glen Mary, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

How hot is September in Glen Mary?

The high-temperature, in September, in Glen Mary, is 83.7°F (28.7°C), while the low-temperature averages to 64°F (17.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is computed to be 91.4°F (33°C).

What is the average humidity in September in Glen Mary?

In Glen Mary, Alabama, the average relative humidity in September is 74%.

How many days does it rain in September in Glen Mary?

In Glen Mary, in September, it is raining for 14 days, with typically 2.68" (68mm) of accumulated precipitation.

When it does not snow in Glen Mary?

April through October are months without snowfall in Glen Mary, Alabama.

How many hours of daylight does Glen Mary have in September?

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

What time are sunrise and sunset in September in Glen Mary?

On the first day of September in Glen Mary, Alabama, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm CDT.

How long on average sun shines in September in Glen Mary?

In September, the average sunshine duration in Glen Mary is 9h.

How high is the UV index in September in Glen Mary?

In Glen Mary, Alabama, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents 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
Glen Mary, AL

Average temperature in September - Glen Mary, AL
  • Average high temperature in September: 83.7°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 (48.7°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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Average pressure in September
Glen Mary, AL

Average pressure in September - Glen Mary, 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).

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Average wind speed in September
Glen Mary, AL

Average wind speed in September - Glen Mary, AL
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in September
Glen Mary, AL

Average humidity in September - Glen Mary, 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 (72%).

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Average rainfall in September
Glen Mary, AL

Average rainfall in September - Glen Mary, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.4").

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Average rainfall days in September
Glen Mary, AL

Average rainfall days in September - Glen Mary, AL
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in September
Glen Mary, AL

Average snowfall in September - Glen Mary, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Glen Mary, AL

Average snowfall days in September - Glen Mary, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Glen Mary, AL

Average daylight in September / Average sunshine in September - Glen Mary, 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: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in September
Glen Mary, AL

Average sunshine days in September - Glen Mary, AL
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (9.3 days).

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Average UV index in September
Glen Mary, AL

Average UV index in September - Glen Mary, AL
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in September
Glen Mary, AL

Average cloud cover in September - Glen Mary, AL
  • Average cloud cover in September: 30

The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in September
Glen Mary, AL

Average visibility in September - Glen Mary, AL
  • Average visibility in September: 6mi

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

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Glen Mary, Alabama, USA

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