September weather forecast and climate
Vandiver, AL

Weather in September

September, the first month of the autumn, in Vandiver, is also a moderately hot month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 64.8°F (18.2°C).

Temperature

In Vandiver, Alabama, the average high-temperature in September is essentially the same as in August - a warm 84.7°F (29.3°C). The average low-temperature, in Vandiver, is 64.8°F (18.2°C).

Heat index

In September, the average heat index is estimated at a hot 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', 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 activity, metabolic differences, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. 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. 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 Vandiver, Alabama, the average relative humidity in September is 73%.

Rainfall

Months with the least rainfall in Vandiver are September and October Rain falls for 13 days and accumulates 1.57" (40mm) of rain.

Snowfall

March through October are months without snowfall in Vandiver.

Daylight

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

Sunshine

In Vandiver, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index in Vandiver is 5. A UV Index reading of 3 to 5 represents a medium health hazard 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 sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Vandiver?

In September, in Vandiver, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 64.8°F (18.2°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in September in Vandiver?

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

How much does it rain in Vandiver in September?

In Vandiver, in September, during 13 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

What is the driest month in Vandiver?

Months with the least rainfall are September and October Rain falls for 13 days and accumulates 1.57" (40mm) of rain.

When it does not snow in Vandiver?

March through October are months without snowfall in Vandiver, Alabama.

What is the average length of the day in September in Vandiver?

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

How many hours of sunshine does Vandiver have in September?

In September, the average sunshine in Vandiver is 8.7h.

What is the UV index reading in September in Vandiver?

In September, the average daily maximum UV index in Vandiver is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Vandiver, AL

Average temperature in September - Vandiver, AL
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in September: 64.8°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in September
Vandiver, AL

Average pressure in September - Vandiver, 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 (29.98").

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Average wind speed in September
Vandiver, AL

Average wind speed in September - Vandiver, 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 (4.3mph).

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Average humidity in September
Vandiver, AL

Average humidity in September - Vandiver, 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
Vandiver, AL

Average rainfall in September - Vandiver, AL
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is August (2.99").
The driest months (with the least rainfall) are September and October (1.57").

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Average rainfall days in September
Vandiver, AL

Average rainfall days in September - Vandiver, AL
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in September
Vandiver, AL

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

The month with the highest snowfall is January (0.63").
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
Vandiver, AL

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

The month with the highest number of snowfall days is February (1.3 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
Vandiver, AL

Average daylight in September / Average sunshine in September - Vandiver, 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: 10h).

  • Average sunshine in September: 8.7h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in September
Vandiver, AL

Average sunshine days in September - Vandiver, AL
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in September
Vandiver, AL

Average UV index in September - Vandiver, 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
Vandiver, AL

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

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June, September and October (Cloud cover 31).

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Average visibility in September
Vandiver, AL

Average visibility in September - Vandiver, 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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