September weather forecast
Summer Bluff, AL

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Weather in September

September, the first month of the autumn in Summer Bluff, is still a warm month, with temperature in the range of an average high of 81.3°F (27.4°C) and an average low of 60.1°F (15.6°C).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a tropical 87.1°F (30.6°C) in August to a moderately hot 81.3°F (27.4°C). In the month of September, the average temperature dips to a mild 60.1°F (15.6°C) during the night.

Heat index

The heat index for September is evaluated at a hot 86°F (30°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Consider that heat index readings are for situations in the shade and light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In Summer Bluff, the average relative humidity in September is 77%.

Rainfall

The month with the least rainfall in Summer Bluff, Alabama, is September, when the rain falls for 12.7 days and typically collects 2.36" (60mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day in Summer Bluff is 12h and 23min.
On the first day of September in Summer Bluff, sunrise is at 6:16 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

Sunshine

In Summer Bluff, the average sunshine in September is 8.2h.

UV index

In Summer Bluff, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 in September translates into these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are September temperatures in Summer Bluff?

During September, Summer Bluff experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 60.1°F (15.6°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in September in Summer Bluff?

The average relative humidity in September in Summer Bluff, Alabama, is 77%.

What is the driest month in Summer Bluff?

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 2.36" (60mm) of precipitation.

How much does it rain in Summer Bluff in September?

In Summer Bluff, Alabama, in September, during 12.7 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Summer Bluff?

In Summer Bluff, Alabama, snow does not fall in May through October.

How many hours of daylight does Summer Bluff have in September?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Summer Bluff?

In September, on the first day of the month, sunrise is at 6:16 am and sunset at 7:09 pm. On the last day of the month, in Summer Bluff, sunrise is at 6:37 am and sunset at 6:28 pm CDT.

How long on average sun shines in September in Summer Bluff?

The average sunshine duration in September in Summer Bluff, Alabama, is 8.2h.

What is the UV index reading in September in Summer Bluff?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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
Summer Bluff, AL

Average temperature in September - Summer Bluff, AL
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in September
Summer Bluff, AL

Average pressure in September - Summer Bluff, AL
  • Average pressure in September: 30.03"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).

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Average wind speed in September
Summer Bluff, AL

Average wind speed in September - Summer Bluff, AL
  • Average wind speed in September: 4.2mph

The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

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Average humidity in September
Summer Bluff, AL

Average humidity in September - Summer Bluff, AL
  • Average humidity in September: 77%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in September
Summer Bluff, AL

Average rainfall in September - Summer Bluff, AL
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is September (2.36").

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Average rainfall days in September
Summer Bluff, AL

Average rainfall days in September - Summer Bluff, AL
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in September
Summer Bluff, AL

Average snowfall in September - Summer Bluff, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Summer Bluff, AL

Average snowfall days in September - Summer Bluff, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 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
Summer Bluff, AL

Average daylight in September / Average sunshine in September - Summer Bluff, 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 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Summer Bluff, AL

Average sunshine days in September - Summer Bluff, AL
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10 days).

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Average UV index in September
Summer Bluff, AL

Average UV index in September - Summer Bluff, 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).

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Average cloud cover in September
Summer Bluff, AL

Average cloud cover in September - Summer Bluff, AL
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 33).

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Average visibility in September
Summer Bluff, AL

Average visibility in September - Summer Bluff, AL
  • Average visibility in September: 5mi

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

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Summer Bluff, Alabama, USA

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