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's onset brings an average high-temperature of a moderately hot 84.9°F (29.4°C), showing a minute difference from August's 89.2°F (31.8°C). In September, in Keyno, the average low-temperature is an enjoyable 65.3°F (18.5°C).Heat index
September's average heat index is appraised at a tropical 93.2°F (34°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The average relative humidity in September is 74%.Rainfall
In Keyno, in September, during 14.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 175.3 rainfall days, and 39.88" (1013mm) of precipitation is accumulated.Snowfall
In Keyno, snow does not fall in March through November.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:38 am and sunset at 6:29 pm CDT.
Sunshine
In Keyno, Alabama, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Keyno is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
Is it hot in Keyno during September?
What is the average humidity in September in Keyno?
How much does it rain in Keyno in September?
When it does not snow in Keyno?
What is the average length of the day in September in Keyno?
When is the sunrise / sunset in September in Keyno?
How long on average sun shines in September in Keyno?
What is the UV index intensity in September in Keyno?
Average temperature in September
Keyno, AL
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in September
Keyno, 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
Keyno, AL
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Keyno, 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
Keyno, AL
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in September
Keyno, AL
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in September
Keyno, AL
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Keyno, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Keyno, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Keyno, AL
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in September
Keyno, AL
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Keyno, AL
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in September
Keyno, AL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Keyno, Alabama, USA
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