September weather forecastMims, FL
September
Weather in September
September, the first month of the autumn in Mims, is still a hot month, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 76.3°F (24.6°C).Temperature
Mims's average high-temperature in September is a still hot 86.2°F (30.1°C), marking an insignificant difference from the 88.9°F (31.6°C) of August. Mims's average low-temperature in September is measured at a moderately hot 76.3°F (24.6°C).Heat index
The heat index value during September is appraised at a fiery hot 98.6°F (37°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
The average relative humidity in September is 77%.Rainfall
In Mims, Florida, in September, during 23.5 rainfall days, 5.04" (128mm) of precipitation is typically accumulated. In Mims, Florida, during the entire year, the rain falls for 202.1 days and collects up to 39.57" (1005mm) of precipitation.Daylight
In September, the average length of the day is 12h and 19min.On the first day of September, sunrise is at 7:01 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 in September translates into this advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mims, FL
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (68.2°F).
- Average low temperature in September: 76.3°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (55.6°F).
Average pressure in September
Mims, FL
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).
Average wind speed in September
Mims, FL
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are January and November (8.6mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Mims, FL
- Average humidity in September: 77%
The months with the highest relative humidity are June, July and August (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in September
Mims, FL
- Average rainfall in September: 5.04"
The wettest month (with the highest rainfall) is August (6.73").
The driest month (with the least rainfall) is March (1.42").
Average rainfall days in September
Mims, FL
- Average rainfall days in September: 23.5 days
The month with the highest number of rainy days is August (26.2 days).
The month with the least rainy days is February (10.5 days).
Average daylight in September /
Average sunshine in September
Mims, FL
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Mims, FL
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in September
Mims, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Mims, FL
- Average cloud cover in September: 29
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are April and May (Cloud cover 26).
Average visibility in September
Mims, FL
- 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).





