September weather forecast
Alpine Bay, AL

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Weather in September

The first month of the autumn, September, is still a warm month in Alpine Bay, Alabama, with an average temperature fluctuating between 65.1°F (18.4°C) and 84.7°F (29.3°C).

Temperature

September commences with an average high-temperature of a warm 84.7°F (29.3°C), showing little deviation from August's 89.2°F (31.8°C). Alpine Bay experiences a mean low-temperature of 65.1°F (18.4°C) during September.

Heat index

For most parts of September, the heat index is estimated at a tropical 93.2°F (34°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 14 days. Throughout September, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 177.1 rainfall days, and 41.06" (1043mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

How hot does it get in September?

In September, the average high-temperature and low-temperature in Alpine Bay are 84.7°F (29.3°C) and 65.1°F (18.4°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

In Alpine Bay, in September, during 14 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 22min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

How many hours of sunshine does Alpine Bay have in September?

In Alpine Bay, the average sunshine duration in September is 8.7h.

What is the UV index reading in September?

In Alpine Bay, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Alpine Bay, AL

Average temperature in September - Alpine Bay, AL
  • Average high temperature in September: 84.7°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 (50.9°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in September
Alpine Bay, AL

Average pressure in September - Alpine Bay, 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 (29.98"Hg).

Average wind speed in September
Alpine Bay, AL

Average wind speed in September - Alpine Bay, AL
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in September
Alpine Bay, AL

Average humidity in September - Alpine Bay, 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%).

Average rainfall in September
Alpine Bay, AL

Average rainfall in September - Alpine Bay, AL
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is October (2.28").

Average rainfall days in September
Alpine Bay, AL

Average rainfall days in September - Alpine Bay, AL
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in September
Alpine Bay, AL

Average snowfall in September - Alpine Bay, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Alpine Bay, AL

Average snowfall days in September - Alpine Bay, AL
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Alpine Bay, AL

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Alpine Bay, AL

Average sunshine days in September - Alpine Bay, AL
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (6.9 days).

Average UV index in September
Alpine Bay, AL

Average UV index in September - Alpine Bay, 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, February and December (UV index 3).

Average cloud cover in September
Alpine Bay, AL

Average cloud cover in September - Alpine Bay, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 31).

Average visibility in September
Alpine Bay, AL

Average visibility in September - Alpine Bay, AL
  • Average visibility in September: 6mi

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

Alpine Bay, Alabama, USA

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