September weather forecastDayton, TX
September
Weather in September
September, the first month of the autumn in Dayton, is still a tropical month, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 88.3°F (31.3°C).Temperature
As August transitions into September, Dayton records an average high-temperature of a still tropical 88.3°F (31.3°C), showing a gentle shift from the preceding month. Dayton reports an average low-temperature of 70.9°F (21.6°C) during the nights of September.Heat index
For September, the heat index is evaluated at a scorching 105.8°F (41°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 19.9 days. Throughout September, 4.49" (114mm) of precipitation is accumulated. Throughout the year, there are 177.5 rainfall days, and 38.46" (977mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:05 pm CDT.
Sunshine
In Dayton, Texas, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dayton, TX
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (59.9°F).
- Average low temperature in September: 70.9°F
The month with the highest average low temperature is July (75.2°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in September
Dayton, 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
Dayton, TX
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is September (5.1mph).
Average humidity in September
Dayton, TX
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Dayton, TX
- Average rainfall in September: 4.49"
The wettest month (with the highest rainfall) is May (5.24").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in September
Dayton, TX
- Average rainfall days in September: 19.9 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Dayton, TX
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Dayton, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.2 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
Dayton, 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 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Dayton, TX
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is January (18.8 days).
The months with the least sunshine days are August and September (8.3 days).
Average UV index in September
Dayton, TX
- Average UV index in September: 6
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 3).
Average cloud cover in September
Dayton, TX
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are August and October (Cloud cover 31).
Average visibility in September
Dayton, TX
- Average visibility in September: 5mi
The months with the highest visibility are January, June, August, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, July and September (5mi).
