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 presence marks an average high-temperature of a moderately hot 82.4°F (28°C), subtly varied from August's 87.4°F (30.8°C). Alder Springs experiences a consistent average temperature of 63°F (17.2°C) throughout the nights in September.Heat index
In September, the heat index is appraised at a hot 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in September is 75%.Rainfall
In Alder Springs, during September, the rain falls for 15 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Alder Springs, during the entire year, the rain falls for 179.7 days and collects up to 41.89" (1064mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Alder Springs, Alabama, is 12h and 23min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:10 pm. On the last day of September, in Alder Springs, sunrise is at 6:39 am and sunset at 6:29 pm CDT.
Sunshine
In Alder Springs, Alabama, the average sunshine in September is 8.7h.UV index
In Alder Springs, Alabama, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
How hot is it in Alder Springs in September?
What is the average humidity in September in Alder Springs?
How much does it rain in Alder Springs in September?
When it does not snow in Alder Springs?
What is the average length of the day in September in Alder Springs?
When are sunrise and sunset in September in Alder Springs?
How many hours of sunshine does Alder Springs have in September?
What is the UV index intensity in September in Alder Springs?
Average temperature in September
Alder Springs, AL
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
Alder Springs, 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
Alder Springs, AL
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Alder Springs, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Alder Springs, AL
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is October (2.48").
Average rainfall days in September
Alder Springs, AL
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Alder Springs, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Alder Springs, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Alder Springs, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Alder Springs, 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 (8.6 days).
Average UV index in September
Alder Springs, 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
Alder Springs, AL
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Alder Springs, 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).
Alder Springs, Alabama, USA
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