September weather forecast and climate
Ten Islands, AL

Weather in September

September, the first month of the autumn, in Ten Islands, is also a moderately hot month, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 64°F (17.8°C).

Temperature

In Ten Islands, Alabama, the average high-temperature is relatively the same as in August - a warm 84.4°F (29.1°C). In Ten Islands, the average low-temperature is 64°F (17.8°C).

Heat index

In September, the average heat index is appraised at a hot 92.7°F (33.7°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like wind, clothing, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity in Ten Islands is 74%.

Rainfall

In September, the rain falls for 13.2 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 174.1 rainfall days, and 38.7" (983mm) of precipitation is accumulated.

Snowfall

In Ten Islands snow does not fall in March through October.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Ten Islands, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index in Ten Islands is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Ten Islands?

In September, in Ten Islands, Alabama, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that combines relative humidity and air temperature, is estimated at 92.7°F (33.7°C).

What is the average humidity in September in Ten Islands?

In September, the average relative humidity is 74%.

How many days does it rain in September in Ten Islands?

In Ten Islands, Alabama, in September, during 13.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Ten Islands?

March through October are months without snowfall in Ten Islands, Alabama.

How many hours of daylight does Ten Islands have in September?

In September, the average length of the day is 12.4h.

How long on average sun shines in September in Ten Islands?

In Ten Islands, the average sunshine in September is 8.7h.

What is the UV index reading in September in Ten Islands?

In Ten Islands, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Ten Islands, AL

Average temperature in September - Ten Islands, AL
  • Average high temperature in September: 84.4°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 (50.4°F).

  • Average low temperature in September: 64°F

Months with the highest average low temperature are July and August (69.6°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

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Average pressure in September
Ten Islands, AL

Average pressure in September - Ten Islands, AL
  • Average pressure in September: 30.02"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in September
Ten Islands, AL

Average wind speed in September - Ten Islands, AL
  • Average wind speed in September: 4.6mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in September
Ten Islands, AL

Average humidity in September - Ten Islands, 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
Ten Islands, AL

Average rainfall in September - Ten Islands, AL
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is October (2.2").

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Average rainfall days in September
Ten Islands, AL

Average rainfall days in September - Ten Islands, AL
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in September
Ten Islands, AL

Average snowfall in September - Ten Islands, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.59").
Months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in September
Ten Islands, AL

Average snowfall days in September - Ten Islands, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.1 days).
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
Ten Islands, AL

Average daylight in September / Average sunshine in September - Ten Islands, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in September
Ten Islands, AL

Average sunshine days in September - Ten Islands, AL
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.7 days).

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Average UV index in September
Ten Islands, AL

Average UV index in September - Ten Islands, AL
  • Average UV index in September: 5

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).

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Average cloud cover in September
Ten Islands, AL

Average cloud cover in September - Ten Islands, AL
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in September
Ten Islands, AL

Average visibility in September - Ten Islands, AL
  • Average visibility in September: 6mi

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

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