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
Ralston sees the arrival of September with an average high-temperature of a still tropical 87.8°F (31°C), indicating a subtle variation from August. The low-temperature average for Ralston during September stands at a pleasant 68°F (20°C).Heat index
September's average heat index is computed to be a blistering 104°F (40°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
In September, the average relative humidity in Ralston, Mississippi, is 76%.Rainfall
In Ralston, in September, during 17.5 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.Snowfall
In Ralston, snow does not fall in April through November.Daylight
In Ralston, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:42 pm CDT.
Sunshine
In Ralston, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Ralston is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
How hot is it in Ralston in September?
What is the average humidity in September in Ralston?
How much does it rain in Ralston in September?
When it does not snow in Ralston?
How many hours of daylight does Ralston have in September?
What time are sunrise and sunset in September in Ralston?
How many hours of sunshine does Ralston have in September?
What is the UV index reading in September in Ralston?
Average temperature in September
Ralston, MS
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 68°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in September
Ralston, MS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Ralston, MS
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in September
Ralston, MS
- Average humidity in September: 76%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Ralston, MS
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in September
Ralston, MS
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Ralston, MS
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Ralston, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Ralston, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Ralston, MS
- Average sunshine days in September: 10.3 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in September
Ralston, 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
Ralston, MS
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Ralston, MS
- Average visibility in September: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Ralston, Mississippi, USA
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