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 brings a marginal elevation to a moderately hot 84.6°F (29.2°C) from August's 89.2°F (31.8°C) in Stemley's average high-temperatures. During the month of September, Stemley's nighttime temperature lowers to an average of 64°F (17.8°C).Heat index
Throughout September, the heat index is calculated to be a tropical 93.2°F (34°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Stemley, Alabama, the average relative humidity in September is 74%.Rainfall
In Stemley, Alabama, in September, during 14.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. Throughout the year, there are 184.1 rainfall days, and 41.97" (1066mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall in Stemley, Alabama.Daylight
The average length of the day in September in Stemley is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:09 pm. On the last day of September, in Stemley, sunrise is at 6:39 am and sunset at 6:30 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
Is it hot in Stemley during September?
What is the average humidity in September in Stemley?
How much does it rain in Stemley in September?
When it does not snow in Stemley?
What is the average length of the day in September in Stemley?
What time are sunrise and sunset in September in Stemley?
How long on average sun shines in September in Stemley?
How high is the UV index in September in Stemley?
Average temperature in September
Stemley, AL
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.9°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 (35.1°F).
Average pressure in September
Stemley, AL
- Average pressure in September: 30.01"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
Stemley, AL
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Stemley, AL
- Average humidity in September: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Stemley, AL
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in September
Stemley, AL
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Stemley, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Stemley, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Stemley, AL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Stemley, AL
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in September
Stemley, 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
Stemley, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Stemley, 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).
Stemley, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
