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
The arrival of September brings an average high-temperature of a warm 82.8°F (28.2°C), nearly identical to August's 88°F (31.1°C). Throughout September, Petersville registers a consistent average low-temperature of 63.5°F (17.5°C).Heat index
The heat index for September is computed to be a hot 89.6°F (32°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds 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 Petersville, 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 in Petersville, Alabama.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of September, in Petersville, sunrise is at 6:45 am and sunset at 6:35 pm CDT.
Sunshine
In Petersville, Alabama, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is September in Petersville?
What is the average humidity in September in Petersville?
How many days does it rain in September in Petersville?
When it does not snow in Petersville?
How many hours of daylight does Petersville have in September?
When is the sunrise / sunset in September in Petersville?
How long on average sun shines in September in Petersville?
What is the UV index reading in September in Petersville?
Average temperature in September
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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
Petersville, 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).
Petersville, Alabama, USA
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