September weather forecastCleveland, TX
September
Weather in September
The first month of the autumn, September, is still a hot month in Cleveland, Texas, with an average temperature fluctuating between 70°F (21.1°C) and 89.2°F (31.8°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a torrid 95.5°F (35.3°C) in August to a hot 89.2°F (31.8°C). Cleveland, in September, witnesses an average low-temperature of 70°F (21.1°C).Heat index
In September, the average heat index is estimated at a blisteringly hot 107.6°F (42°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In Cleveland, the average relative humidity in September is 76%.Rainfall
In Cleveland, during September, the rain falls for 17.9 days and regularly aggregates up to 3.78" (96mm) of precipitation. In Cleveland, during the entire year, the rain falls for 177.6 days and collects up to 35.75" (908mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
In Cleveland, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:57 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:06 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Cleveland, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 6 during September leads to these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cleveland, TX
- Average high temperature in September: 89.2°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in September: 70°F
The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure in September
Cleveland, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Cleveland, TX
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).
Average humidity in September
Cleveland, TX
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cleveland, TX
- Average rainfall in September: 3.78"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is November (2.05").
Average rainfall days in September
Cleveland, TX
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is September (17.9 days).
The month with the least rainy days is January (11.9 days).
Average snowfall in September
Cleveland, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Cleveland, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Cleveland, TX
- Average daylight in September: 12h and 18min
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: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Cleveland, TX
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is September (10.1 days).
Average UV index in September
Cleveland, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Cleveland, TX
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Cleveland, TX
- Average visibility in September: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
