September weather forecast
Johnson Crossroads, AL

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Weather in September

September, the first month of the autumn in Johnson Crossroads, is also a moderately hot month, with an average temperature ranging between min 63.5°F (17.5°C) and max 82.8°F (28.2°C).

Temperature

September welcomes an average high-temperature of a warm 82.8°F (28.2°C), not much different from the preceding month. Throughout the nights in September, an average low-temperature of 63.5°F (17.5°C) is noted.

Heat index

September's average heat index is estimated at a hot 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.

Humidity

In September, the average relative humidity is 74%.

Rainfall

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

April through October are months without snowfall.

Daylight

In Johnson Crossroads, Alabama, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:35 pm CDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In Johnson Crossroads, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during September?

September temperatures vary between a high-temperature of 82.8°F (28.2°C) and a low-temperature of 63.5°F (17.5°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How many days does it rain in September?

In Johnson Crossroads, in September, during 14.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow?

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

What is the average length of the day in September?

The average day length in September is 12h and 23min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:17 pm. On the last day of the month, in Johnson Crossroads, sunrise is at 6:45 am and sunset at 6:35 pm CDT.

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

In September, the average sunshine duration is 8.9h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
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
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).

Average pressure in September
Johnson Crossroads, AL

Average pressure in September - Johnson Crossroads, 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 (29.97"Hg).

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).

Average humidity in September
Johnson Crossroads, AL

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

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

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").

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).

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").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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: 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 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

Average sunshine days in September
Johnson Crossroads, AL

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

The 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).

Average UV index in September
Johnson Crossroads, AL

Average UV index in September - Johnson Crossroads, AL
  • Average UV index in September: 5

The 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).

Average cloud cover in September
Johnson Crossroads, AL

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

The 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).

Average visibility in September
Johnson Crossroads, AL

Average visibility in September - Johnson Crossroads, 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).

Johnson Crossroads, Alabama, USA

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