September weather forecast and climate
Johnson Crossroads, AL

Weather in September

The first month of the autumn, September, is still a warm month in Johnson Crossroads, Alabama, with average temperature ranging between min 63.5°F (17.5°C) and max 82.8°F (28.2°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a warm 82.8°F (28.2°C). In Johnson Crossroads, the average low-temperature is 63.5°F (17.5°C).

Heat index

In September, the average heat index is appraised at a tropical 88.9°F (31.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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 September, the average relative humidity in Johnson Crossroads is 74%.

Rainfall

In Johnson Crossroads, during 14.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Johnson Crossroads, during the entire year, the rain falls for 178.6 days and collects up to 41.26" (1048mm) of precipitation.

Snowfall

In Johnson Crossroads snow does not fall in April through October.

Daylight

In Johnson Crossroads, the average length of the day is 12.4h.

Sunshine

In Johnson Crossroads, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Johnson Crossroads?

In September, in Johnson Crossroads, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, in September is evaluated at 88.9°F (31.6°C).

What is the average humidity in September in Johnson Crossroads?

In September, the average relative humidity is 74%.

How much does it rain in Johnson Crossroads in September?

In September, in Johnson Crossroads, the rain falls for 14.2 days. Throughout September, 2.68" (68mm) of precipitation is accumulated.

When it does not snow in Johnson Crossroads?

In Johnson Crossroads snow does not fall in April through October.

How many hours of daylight does Johnson Crossroads have in September?

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

How many hours of sunshine does Johnson Crossroads have in September?

In Johnson Crossroads, Alabama, the average sunshine in September is 8.9h.

What is the UV index intensity in September in Johnson Crossroads?

The average daily maximum UV index in September in Johnson Crossroads is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Johnson Crossroads, AL

Average temperature in September - Johnson Crossroads, AL
  • Average high temperature in September: 82.8°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

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Average pressure in September
Johnson Crossroads, AL

Average pressure in September - Johnson Crossroads, AL
  • Average pressure in September: 30.02"

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
Johnson Crossroads, AL

Average wind speed in September - Johnson Crossroads, AL
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).

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Average humidity in September
Johnson Crossroads, AL

Average humidity in September - Johnson Crossroads, AL
  • Average humidity in September: 74%

Months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Johnson Crossroads, AL

Average rainfall in September - Johnson Crossroads, AL
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is November (2.56").

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Average rainfall days in September
Johnson Crossroads, AL

Average rainfall days in September - Johnson Crossroads, AL
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in September
Johnson Crossroads, AL

Average snowfall in September - Johnson Crossroads, AL
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Johnson Crossroads, AL

Average snowfall days in September - Johnson Crossroads, AL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Johnson Crossroads, AL

Average daylight in September / Average sunshine in September - Johnson Crossroads, AL
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in September: 8.9h

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

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Average sunshine days in September
Johnson Crossroads, AL

Average sunshine days in September - Johnson Crossroads, AL
  • Average sunshine days in September: 14.2 days

Months with the most sunshine days are October and November (17.6 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in September
Johnson Crossroads, AL

Average UV index in September - Johnson Crossroads, 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
Johnson Crossroads, AL

Average cloud cover in September - Johnson Crossroads, AL
  • Average cloud cover in September: 30

Months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in September
Johnson Crossroads, AL

Average visibility in September - Johnson Crossroads, 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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