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 arrival of September records an average high-temperature of a warm 84°F, closely related to the 88.3°F observed in August. Delta temperatures generally rest at a low of 64°F during the September nights.Heat index
Throughout September, the heat index is computed to be a tropical 91.4°F. Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In September, the average relative humidity in Delta is 75%.Rainfall
In Delta, in September, during 13.7 rainfall days, 2.44" of precipitation is typically accumulated. In Delta, during the entire year, the rain falls for 174.1 days and collects up to 38.39" of precipitation.Snowfall
In Delta, snow does not fall in April through November.Daylight
The average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:08 pm. On the last day of September, in Delta, sunrise is at 6:36 am and sunset at 6:29 pm CDT.
Sunshine
In Delta, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Take precautions - Protection against sun damage is advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
FAQ
How hot does it get in Delta in September?
What is the average humidity in September in Delta?
How many days does it rain in September in Delta?
When it does not snow in Delta?
How many hours of daylight does Delta have in September?
When is the sunrise / sunset in September in Delta?
How long on average sun shines in September in Delta?
What is the UV index intensity in September in Delta?
Average temperature in September
Delta, AL
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is August (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in September
Delta, 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
Delta, AL
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Delta, 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
Delta, AL
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in September
Delta, AL
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in September
Delta, AL
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Delta, AL
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.3 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
Delta, 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 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Delta, AL
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in September
Delta, 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
Delta, AL
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Delta, 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).
Delta, Alabama, USA
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