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
As September takes its course, Columbiana's average high-temperature registers at a warm 84.9°F (29.4°C), closely aligning with the preceding month. Throughout September, Columbiana witnesses a nighttime temperature average of 65.7°F (18.7°C).Heat index
The heat index value during September is calculated to be a tropical 93.2°F (34°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.Observations indicate that the heat index values are for shady locations with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
In Columbiana, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.05" (52mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Columbiana, sunrise is at 6:21 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine in Columbiana, Alabama, is 8.8h.UV index
The average daily maximum UV index in September in Columbiana is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
How hot is it in Columbiana in September?
What is the average humidity in September in Columbiana?
What is the driest month in Columbiana?
How many days does it rain in September in Columbiana?
When it does not snow in Columbiana?
How many hours of daylight does Columbiana have in September?
What time are sunrise and sunset in September in Columbiana?
How many hours of sunshine does Columbiana have in September?
How high is the UV index in September in Columbiana?
Average temperature in September
Columbiana, AL
- Average high temperature in September: 84.9°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 (51.4°F).
- Average low temperature in September: 65.7°F
The months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Columbiana, AL
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Columbiana, AL
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Columbiana, AL
- Average humidity in September: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Columbiana, AL
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Columbiana, AL
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Columbiana, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Columbiana, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1 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
Columbiana, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Columbiana, AL
- Average sunshine days in September: 14.6 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Columbiana, AL
- Average UV index in September: 5
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
Columbiana, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in September
Columbiana, 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).
Columbiana, Alabama, USA
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