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
The shift into September finds South Haleyville at an average high-temperature of a warm 83.7°F (28.7°C), closely comparable to August's conditions. September brings South Haleyville a consistent average low-temperature of 64°F (17.8°C).Heat index
During September, the heat index is evaluated at a hot 91.4°F (33°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In September, the average relative humidity in South Haleyville is 74%.Rainfall
In September, the rain falls for 14 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. Throughout the year, in South Haleyville, there are 174.6 rainfall days, and 42.8" (1087mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in South Haleyville.Daylight
The average length of the day in September in South Haleyville is 12h and 22min.On the first day of September in South Haleyville, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in South Haleyville is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot is it in South Haleyville in September?
What is the average humidity in September in South Haleyville?
How much does it rain in South Haleyville in September?
When it does not snow in South Haleyville?
How many hours of daylight does South Haleyville have in September?
When are sunrise and sunset in September in South Haleyville?
How long on average sun shines in September in South Haleyville?
How high is the UV index in September in South Haleyville?
Average temperature in September
South Haleyville, AL
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°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 (34°F).
Average pressure in September
South Haleyville, 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 (29.97"Hg).
Average wind speed in September
South Haleyville, AL
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
South Haleyville, 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
South Haleyville, AL
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in September
South Haleyville, AL
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
South Haleyville, AL
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
South Haleyville, AL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 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
South Haleyville, 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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in September
South Haleyville, AL
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in September
South Haleyville, AL
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
South Haleyville, AL
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
South Haleyville, AL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
South Haleyville, Alabama, USA
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