September weather forecast
Hollytree, AL

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Weather in September

September, the first month of the autumn in Hollytree, is also a moderately hot month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 62.6°F (17°C).

Temperature

September's advent notes a subtle adjustment in average high-temperature to a warm 82°F (27.8°C) from August. Hollytree registers a consistent average low-temperature of 62.6°F (17°C) during September.

Heat index

The average heat index in September is calculated to be a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful 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.

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.8 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

In Hollytree, snow does not fall in April through October.

Daylight

In Hollytree, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:18 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:30 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Hollytree, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature in Hollytree during September are 82°F (27.8°C) and 62.6°F (17°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 2.17" (55mm) of precipitation.

How much does it rain in September?

In Hollytree, in September, it is raining for 13.8 days, with typically 2.17" (55mm) of accumulated precipitation.

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 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:11 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 Hollytree have in September?

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

How high is the UV index in September?

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

Average temperature in September - Hollytree, AL
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure in September
Hollytree, AL

Average pressure in September - Hollytree, AL
  • Average pressure in September: 30.02"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
Hollytree, AL

Average wind speed in September - Hollytree, AL
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Hollytree, AL

Average humidity in September - Hollytree, AL
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Hollytree, AL

Average rainfall in September - Hollytree, AL
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in September
Hollytree, AL

Average rainfall days in September - Hollytree, AL
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Hollytree, AL

Average snowfall in September - Hollytree, 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
Hollytree, AL

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

The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hollytree, AL

Average daylight in September / Average sunshine in September - Hollytree, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Hollytree, AL

Average sunshine days in September - Hollytree, AL
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in September
Hollytree, AL

Average UV index in September - Hollytree, 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).

Average cloud cover in September
Hollytree, AL

Average cloud cover in September - Hollytree, AL
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Hollytree, AL

Average visibility in September - Hollytree, 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).

Hollytree, Alabama, USA

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