September weather forecastYokena, MS
September
Weather in September
September ushers in a gentle reduction in temperatures, marking the onset of fall in Yokena. Even though the season change is underway, September still presents weather consistent with summer, including higher temperatures and lesser rainfall. September achieves a slightly lower UV index of 6, indicating a gentle decrease in the intensity of the sun’s rays. As the month progresses into October, the weather exhibits typical fall characteristics like cooler temperatures, shorter daylight hours, and shifts in wind patterns. The fall season is without a doubt announced by the decreasing temperatures, lesser sunlight, and increased cloud cover.Temperature
September's onset in Yokena records a minor alteration in the average high-temperature to a still tropical 87.8°F (31°C) from August's 91.6°F (33.1°C). Yokena's average low-temperature in September is measured at an enjoyable 67.6°F (19.8°C).Heat index
In September, the average heat index is computed to be a very hot 102.2°F (39°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In September, the average relative humidity in Yokena is 73%.Rainfall
In Yokena, in September, during 15 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Yokena, Mississippi, during the entire year, the rain falls for 169.7 days and collects up to 38.82" (986mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 21min.On the first day of September in Yokena, sunrise is at 6:39 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September in Yokena is 9.8h.UV index
In Yokena, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yokena, MS
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in September
Yokena, MS
- Average pressure in September: 29.99"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
Yokena, MS
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Yokena, MS
- Average humidity in September: 73%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Yokena, MS
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Yokena, MS
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in September
Yokena, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Yokena, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 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
Yokena, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in September
Yokena, MS
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in September
Yokena, MS
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Yokena, MS
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Yokena, 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).





