September weather forecastWillow City, TX
September
Weather in September
September, the first month of the autumn in Willow City, is still a tropical month, with an average temperature varying between 86.2°F (30.1°C) and 67.6°F (19.8°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a hot 93.6°F (34.2°C) in August to a still tropical 86.2°F (30.1°C). September nights experience a consistent temperature drop to an enjoyable 67.6°F (19.8°C).Heat index
September's average heat index is appraised at a fiery hot 95°F (35°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in September is 67%.Rainfall
In Willow City, in September, during 14.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 129.3 rainfall days, and 15.87" (403mm) of precipitation is accumulated.Snowfall
In Willow City, snow does not fall in April through October.Daylight
In Willow City, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:11 am and sunset at 7:57 pm. On the last day of September, in Willow City, sunrise is at 7:28 am and sunset at 7:20 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Fend off overexposure. Sun protection is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Willow City, TX
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is August (72.3°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in September
Willow City, TX
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Willow City, TX
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.3mph).
Average humidity in September
Willow City, TX
- Average humidity in September: 67%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Willow City, TX
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Willow City, TX
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in September
Willow City, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Willow City, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Willow City, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).
Average sunshine days in September
Willow City, TX
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Willow City, 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
Willow City, TX
- Average cloud cover in September: 33
The month with the most cloud cover is May (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Willow City, 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).





