September weather forecastStevenson, AL
September
Weather in September
September, the first month of the autumn in Stevenson, is also a moderately hot month, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 81°F (27.2°C).Temperature
As August turns into September, the average high-temperatures rest at a still moderately hot 81°F (27.2°C), showing a minor variation from the prior month. An average minimum temperature of 60.6°F (15.9°C) is recorded during the month of September.Heat index
September's mean heat index is estimated at a hot 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 2.87" (73mm) of precipitation is accumulated. In Stevenson, during the entire year, the rain falls for 186.5 days and collects up to 45.31" (1151mm) of precipitation.Snowfall
In Stevenson, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:37 am and sunset at 6:28 pm CDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stevenson, AL
- Average high temperature in September: 81°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (46.2°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Stevenson, AL
- Average pressure in September: 30.03"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
Stevenson, AL
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in September
Stevenson, AL
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Stevenson, AL
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is July (4.76").
The driest month (with the least rainfall) is November (2.68").
Average rainfall days in September
Stevenson, AL
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Stevenson, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Stevenson, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stevenson, AL
- Average daylight in September: 12h and 24min
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 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Stevenson, AL
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in September
Stevenson, 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
Stevenson, AL
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Stevenson, AL
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
