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
Highmound's average high-temperature marks a warm 82.8°F (28.2°C) with the advent of September, closely mirroring that of the preceding month. In Highmound, the average nighttime temperature during September is a comfortable 63.7°F (17.6°C).Heat index
September's mean heat index is computed to be a hot 89.6°F (32°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In September, the average relative humidity in Highmound is 75%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 177.4 rainfall days, and 41.42" (1052mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Highmound, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:30 pm CDT.
Sunshine
In Highmound, the average sunshine in September is 8.6h.UV index
In Highmound, Alabama, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
Is it hot in Highmound during September?
What is the average humidity in September in Highmound?
How many days does it rain in September in Highmound?
When it does not snow in Highmound?
What is the average length of the day in September in Highmound?
When is the sunrise / sunset in September in Highmound?
How many hours of sunshine does Highmound have in September?
What is the UV index reading in September in Highmound?
Average temperature in September
Highmound, AL
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Highmound, 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
Highmound, AL
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Highmound, AL
- Average humidity in September: 75%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Highmound, AL
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is October (2.32").
Average rainfall days in September
Highmound, AL
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Highmound, AL
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Highmound, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Highmound, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Highmound, AL
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in September
Highmound, 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
Highmound, AL
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Highmound, 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).
Highmound, Alabama, USA
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