Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Johnsons Mill indicates an average high-temperature of a moderately hot 83.1°F (28.4°C) in September, showing minor variation from August's 88°F (31.1°C). In Johnsons Mill, an average nighttime temperature of 63.1°F (17.3°C) is expected during September.Heat index
September's average heat index is appraised at a tropical 89.6°F (32°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. 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 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 2.32" (59mm) of precipitation.Snowfall
In Johnsons Mill, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of September, in Johnsons Mill, sunrise is at 6:40 am and sunset at 6:30 pm CDT.
Sunshine
In September, the average sunshine in Johnsons Mill is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
How hot does it get in Johnsons Mill in September?
What is the average humidity in September in Johnsons Mill?
What is the driest month in Johnsons Mill?
How many days does it rain in September in Johnsons Mill?
When it does not snow in Johnsons Mill?
How many hours of daylight does Johnsons Mill have in September?
What time are sunrise and sunset in September in Johnsons Mill?
How many hours of sunshine does Johnsons Mill have in September?
What is the UV index intensity in September in Johnsons Mill?
Average temperature in September
Johnsons Mill, AL
- Average high temperature in September: 83.1°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 (48.4°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Johnsons Mill, 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
Johnsons Mill, AL
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Johnsons Mill, 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
Johnsons Mill, AL
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in September
Johnsons Mill, AL
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Johnsons Mill, 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
Johnsons Mill, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.8 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
Johnsons Mill, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Johnsons Mill, AL
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Johnsons Mill, 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
Johnsons Mill, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in September
Johnsons Mill, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Johnsons Mill, Alabama, USA
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