September weather forecastCantwell Mill, MS
September
Weather in September
September, the first month of the autumn in Cantwell Mill, is still a tropical month, with an average temperature varying between 67.8°F (19.9°C) and 87.4°F (30.8°C).Temperature
Cantwell Mill, Mississippi, experiences a recorded average high-temperature of a still tropical 87.4°F (30.8°C) in September, closely aligned with August's 91.4°F (33°C). An average low-temperature of 67.8°F (19.9°C) is expected in Cantwell Mill during September.Heat index
September's heat index is evaluated at a fiery hot 102.2°F (39°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
The average relative humidity in September in Cantwell Mill is 75%.Rainfall
In Cantwell Mill, in September, it is raining for 15 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, in Cantwell Mill, there are 168 rainfall days, and 34.17" (868mm) of precipitation is accumulated.Snowfall
In Cantwell Mill, snow does not fall in April through November.Daylight
In Cantwell Mill, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 6:34 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:44 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cantwell Mill, MS
- Average high temperature in September: 87.4°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in September: 67.8°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in September
Cantwell Mill, MS
- Average pressure in September: 29.99"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
Cantwell Mill, MS
- Average wind speed in September: 5mph
The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Cantwell Mill, MS
- Average humidity in September: 75%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Cantwell Mill, MS
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in September
Cantwell Mill, MS
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Cantwell Mill, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Cantwell Mill, MS
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.3 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
Cantwell Mill, MS
- Average daylight in September: 12h and 18min
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 18min
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
Cantwell Mill, MS
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (9 days).
Average UV index in September
Cantwell Mill, 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 and December (UV index 3).
Average cloud cover in September
Cantwell Mill, MS
- Average cloud cover in September: 31
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
Cantwell Mill, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
