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
September denotes a minimal variation in the average high-temperature to a warm 83.3°F (28.5°C) from August's 88.3°F (31.3°C). Nighttime temperature experiences an average drop to a refreshing 64°F (17.8°C) in September.Heat index
In September, the average heat index is appraised at a tropical 89.6°F (32°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. 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 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The average relative humidity in September is 74%.Rainfall
In Clifty, in September, during 13.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 173 rainfall days, and 41.38" (1051mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Clifty.Daylight
In Clifty, Alabama, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:22 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:33 pm CDT.
Sunshine
In Clifty, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Clifty have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Clifty, AL
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in September
Clifty, 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
Clifty, AL
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Clifty, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Clifty, AL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Clifty, AL
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in September
Clifty, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Clifty, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
Clifty, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Clifty, AL
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Clifty, 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
Clifty, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Clifty, 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).
Clifty, Alabama, USA
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