September weather forecast and climate
Mount Sinai, AL

Weather in September

The first month of the autumn, September, is also a hot month in Mount Sinai, Alabama, with average temperature ranging between min 67.1°F (19.5°C) and max 86.9°F (30.5°C).

Temperature

In Mount Sinai, Alabama, the average high-temperature is practically the same as in August - a still tropical 86.9°F (30.5°C). The average low-temperature, in September, is 67.1°F (19.5°C).

Heat index

In September, the average heat index is estimated at a very hot 98.2°F (36.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'felt air temperature', 'feels like', 'real feel', or 'apparent 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 activity, wind, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Mount Sinai, the average relative humidity in September is 72%.

Rainfall

In Mount Sinai, during September, the rain falls for 14.3 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Mount Sinai, during the entire year, the rain falls for 168.8 days and collects up to 38.74" (984mm) of precipitation.

Snowfall

April through November are months without snowfall in Mount Sinai.

Daylight

The average length of the day in September is 12.4h.

Sunshine

In Mount Sinai, the average sunshine in September is 8.7h.

UV index

In Mount Sinai, Alabama, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Mount Sinai?

The average high-temperature, in September, is 86.9°F (30.5°C), while the average low-temperature is 67.1°F (19.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in September is appraised at 98.2°F (36.8°C).

What is the average humidity in September in Mount Sinai?

The average relative humidity in September in Mount Sinai, Alabama, is 72%.

How many days does it rain in September in Mount Sinai?

In Mount Sinai, Alabama, in September, it is raining for 14.3 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow in Mount Sinai?

In Mount Sinai, Alabama, snow does not fall in April through November.

How many hours of daylight does Mount Sinai have in September?

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

How many hours of sunshine does Mount Sinai have in September?

The average sunshine in September in Mount Sinai is 8.7h.

How high is the UV index in September in Mount Sinai?

In Mount Sinai, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health threat from the exposure to the Sun's UV rays.

Average temperature in September
Mount Sinai, AL

Average temperature in September - Mount Sinai, AL
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in September: 67.1°F

The month with the highest average low temperature is August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

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Average pressure in September
Mount Sinai, AL

Average pressure in September - Mount Sinai, AL
  • Average pressure in September: 30"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.97").

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Average wind speed in September
Mount Sinai, AL

Average wind speed in September - Mount Sinai, AL
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Mount Sinai, AL

Average humidity in September - Mount Sinai, AL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Mount Sinai, AL

Average rainfall in September - Mount Sinai, AL
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is November (2.28").

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Average rainfall days in September
Mount Sinai, AL

Average rainfall days in September - Mount Sinai, AL
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in September
Mount Sinai, AL

Average snowfall in September - Mount Sinai, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.2").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Mount Sinai, AL

Average snowfall days in September - Mount Sinai, AL
  • Average snowfall days in September: 0 days

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

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Average daylight in September /
Average sunshine in September
Mount Sinai, AL

Average daylight in September / Average sunshine in September - Mount Sinai, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is June (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Mount Sinai, AL

Average sunshine days in September - Mount Sinai, AL
  • Average sunshine days in September: 13.4 days

Months with the most sunshine days are October and November (20.2 days).
The month with the least sunshine days is July (7.3 days).

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Average UV index in September
Mount Sinai, AL

Average UV index in September - Mount Sinai, AL
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Mount Sinai, AL

Average cloud cover in September - Mount Sinai, AL
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in September
Mount Sinai, AL

Average visibility in September - Mount Sinai, 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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