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
September
Weather in September
Temperature
With September's arrival, Ackerman's weather records an average high-temperature of a warm 85.6°F (29.8°C), marking little difference from August's 90.7°F (32.6°C). Ackerman in September anticipates an average nighttime temperature of 65.8°F (18.8°C).Heat index
For most parts of September, the heat index is computed to be a very hot 95°F (35°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially vital to 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.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
The average relative humidity in September is 73%.Rainfall
In Ackerman, during September, the rain falls for 13.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Ackerman, Mississippi, there are 163.9 rainfall days, and 36.54" (928mm) of precipitation is accumulated.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, sunrise is at 6:31 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:42 pm CDT.
Sunshine
The average sunshine in September in Ackerman is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Ackerman have in September?
How high is the UV index in September?
Average temperature in September
Ackerman, MS
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Ackerman, MS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Ackerman, MS
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Ackerman, MS
- Average humidity in September: 73%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Ackerman, MS
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in September
Ackerman, MS
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in September
Ackerman, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Ackerman, MS
- 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
Ackerman, MS
- 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: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Ackerman, MS
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in September
Ackerman, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Ackerman, MS
- Average cloud cover in September: 28
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in September
Ackerman, MS
- 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).