September weather forecastSeymour, TX
September
Weather in September
The first month of the autumn, September, is still a tropical month in Seymour, Texas, with an average temperature varying between 69.3°F (20.7°C) and 87.3°F (30.7°C).Temperature
As September arrives, Seymour's weather displays a decrease in high-temperatures, transitioning from August's sweltering 97.3°F (36.3°C) to a hot 87.3°F (30.7°C). During the nights in September, the temperature averages to an agreeable 69.3°F (20.7°C).Heat index
The heat index in September is estimated at a hot 93.2°F (34°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are highly critical to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in September is 57%.Rainfall
In Seymour, during September, the rain falls for 12.2 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 100.8 rainfall days, and 18.31" (465mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Seymour, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:22 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Seymour 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: The UV index of 6 during September leads to these advisories:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. 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
Seymour, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (97.3°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in September: 69.3°F
The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in September
Seymour, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Seymour, TX
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (12.6mph).
The calmest month (with the lowest average wind speed) is September (9mph).
Average humidity in September
Seymour, TX
- Average humidity in September: 57%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Seymour, TX
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Seymour, TX
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is September (12.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Seymour, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Seymour, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Seymour, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).
Average sunshine days in September
Seymour, TX
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is September (15.8 days).
Average UV index in September
Seymour, TX
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Seymour, TX
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Seymour, 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).
