September weather forecast and climate
Halltown, AL

Weather in September

September, the first month of the autumn, in Halltown, is also a moderately hot month, with average temperature ranging between max 84°F (28.9°C) and min 64°F (17.8°C).

Temperature

In Halltown, the average high-temperature in September is practically the same as in August - a moderately hot 84°F (28.9°C). In Halltown, Alabama, in September, the average low-temperature is 64°F (17.8°C).

Heat index

The average heat index is evaluated at a tropical 91.6°F (33.1°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 'apparent temperature', 'felt air temperature', 'feels like', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Halltown, the average relative humidity in September is 73%.

Rainfall

In Halltown, Alabama, in September, it is raining for 13.1 days, with typically 2.56" (65mm) of accumulated precipitation. In Halltown, during the entire year, the rain falls for 170.7 days and collects up to 40.24" (1022mm) of precipitation.

Snowfall

April through October are months without snowfall in Halltown.

Daylight

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

Sunshine

In Halltown, the average sunshine is 9h.

UV index

In Halltown, Alabama, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Halltown?

The average high-temperature, in September, in Halltown, is 84°F (28.9°C), while the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, is calculated to 91.6°F (33.1°C).

What is the average humidity in September in Halltown?

In Halltown, the average relative humidity in September is 73%.

How many days does it rain in September in Halltown?

In Halltown, in September, it is raining for 13.1 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow in Halltown?

April through October are months without snowfall in Halltown, Alabama.

How many hours of daylight does Halltown have in September?

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

How many hours of sunshine does Halltown have in September?

In Halltown, the average sunshine in September is 9h.

What is the UV index reading in September in Halltown?

The average daily maximum UV index in September in Halltown, Alabama, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Halltown, AL

Average temperature in September - Halltown, AL
  • Average high temperature in September: 84°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 (48.6°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

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Average pressure in September
Halltown, AL

Average pressure in September - Halltown, AL
  • Average pressure in September: 30.01"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.97").

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Average wind speed in September
Halltown, AL

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

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in September
Halltown, AL

Average humidity in September - Halltown, AL
  • Average humidity in September: 73%

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
Halltown, AL

Average rainfall in September - Halltown, AL
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is February (4.41").
The driest month (with the least rainfall) is November (2.28").

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Average rainfall days in September
Halltown, AL

Average rainfall days in September - Halltown, AL
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in September
Halltown, AL

Average snowfall in September - Halltown, AL
  • Average snowfall in September: 0"

Months with the highest snowfall are January and February (0.55").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Halltown, AL

Average snowfall days in September - Halltown, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.8 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
Halltown, AL

Average daylight in September / Average sunshine in September - Halltown, 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: 9h

The month with the most sunshine is June (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in September
Halltown, AL

Average sunshine days in September - Halltown, AL
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in September
Halltown, AL

Average UV index in September - Halltown, AL
  • Average UV index in September: 5

Months with the highest UV index are June and 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
Halltown, AL

Average cloud cover in September - Halltown, AL
  • Average cloud cover in September: 30

Months with the most cloud cover are February and December (Cloud cover 50).
Months with the least cloud cover are June and September (Cloud cover 30).

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Average visibility in September
Halltown, AL

Average visibility in September - Halltown, AL
  • Average visibility in September: 6mi

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

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