September weather forecast and climate
Joinertown, AL

Weather in September

The first month of the autumn, September, is also a moderately hot month in Joinertown, Alabama, with average temperature ranging between max 84.9°F (29.4°C) and min 65.7°F (18.7°C).

Temperature

In Joinertown, the average high-temperature is essentially the same as in August - a moderately hot 84.9°F (29.4°C). The average low-temperature, in September, is 65.7°F (18.7°C).

Heat index

In September, the average heat index is estimated at a hot 93.7°F (34.3°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, wind, metabolic differences), and activity. 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 Joinertown, the average relative humidity is 73%.

Rainfall

The month with the least rainfall is September when the rain falls for 13.3 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

In Joinertown snow does not fall in April through October.

Daylight

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

Sunshine

The average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index in Joinertown is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 Joinertown?

The average high-temperature, in September, in Joinertown, Alabama, is 84.9°F (29.4°C), while the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that factores the actual air temperature with the relative humidity, in September is evaluated at 93.7°F (34.3°C).

What is the average humidity in September in Joinertown?

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

How many days does it rain in September in Joinertown?

In September, the rain falls for 13.3 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

What is the driest month in Joinertown?

The month with the least rainfall is September when the rain falls for 13.3 days and typically collects 2.05" (52mm) of precipitation.

When it does not snow in Joinertown?

April through October are months without snowfall.

How many hours of daylight does Joinertown have in September?

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

How many hours of sunshine does Joinertown have in September?

In September, the average sunshine in Joinertown is 8.8h.

What is the UV index reading in September in Joinertown?

The average daily maximum UV index in September in Joinertown, Alabama, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Joinertown, AL

Average temperature in September - Joinertown, AL
  • Average high temperature in September: 84.9°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 (51.4°F).

  • Average low temperature in September: 65.7°F

Months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

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Average pressure in September
Joinertown, AL

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

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.98").

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Average wind speed in September
Joinertown, AL

Average wind speed in September - Joinertown, AL
  • Average wind speed in September: 4.8mph

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
Joinertown, AL

Average humidity in September - Joinertown, 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 (71%).

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Average rainfall in September
Joinertown, AL

Average rainfall in September - Joinertown, AL
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Joinertown, AL

Average rainfall days in September - Joinertown, AL
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in September
Joinertown, AL

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

The month with the highest snowfall is January (0.59").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Joinertown, AL

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

Months with the highest number of snowfall days are January and February (1 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
Joinertown, AL

Average daylight in September / Average sunshine in September - Joinertown, 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: 8.8h

The month with the most sunshine is June (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

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Average sunshine days in September
Joinertown, AL

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

Months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).

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Average UV index in September
Joinertown, AL

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Joinertown, AL

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

The month with the most cloud cover is February (Cloud cover 47).
Months with the least cloud cover are September and October (Cloud cover 30).

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Average visibility in September
Joinertown, AL

Average visibility in September - Joinertown, 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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