September weather forecastMiami, TX
September
Weather in September
The first month of the autumn, September, is still a warm month in Miami, Texas, with an average temperature fluctuating between 64.4°F (18°C) and 83.8°F (28.8°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a tropical 92.3°F (33.5°C) in August to a moderately hot 83.8°F (28.8°C). The month of September records an average low-temperature of 64.4°F (18°C).Heat index
During September, the heat index is evaluated at a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
In Miami, the average relative humidity in September is 55%.Rainfall
In Miami, in September, during 9.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Miami, during the entire year, the rain falls for 89.4 days and collects up to 15.24" (387mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Miami, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:27 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 estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Miami, TX
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is December (48.7°F).
- Average low temperature in September: 64.4°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 (30.7°F).
Average pressure in September
Miami, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Miami, TX
- Average wind speed in September: 11.8mph
The windiest month (with the highest average wind speed) is April (14.3mph).
The calmest months (with the lowest average wind speed) are January and August (10.7mph).
Average humidity in September
Miami, TX
- Average humidity in September: 55%
The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is July (49%).
Average rainfall in September
Miami, TX
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Miami, TX
- Average rainfall days in September: 9.6 days
The months with the highest number of rainy days are July and August (12.2 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in September
Miami, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Miami, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Miami, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Miami, TX
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is January (27 days).
The month with the least sunshine days is August (13.8 days).
Average UV index in September
Miami, TX
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Miami, TX
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 27).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in September
Miami, TX
- 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).





