Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a tropical 93.7°F (34.3°C) to a moderately hot 84.9°F (29.4°C). September brings Welch a consistent average low-temperature of 66.2°F (19°C).Heat index
September's average heat index is appraised at a hot 87.8°F (31°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold great significance to children. 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
September is the most humid month, with an average relative humidity of 55%.Rainfall
September is the month with the most rainfall. Rain falls for 12.6 days and accumulates 2.44" (62mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Welch, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 7:23 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:33 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Welch, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during September leads to these instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Welch in September?
What is the most humid month?
What is the average humidity in September?
What is the wettest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Welch, TX
- Average high temperature in September: 84.9°F
The warmest months (with the highest average high temperature) are June and August (93.7°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Welch, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Welch, TX
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest months (with the lowest average wind speed) are August and September (9.8mph).
Average humidity in September
Welch, TX
- Average humidity in September: 55%
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is April (38%).
Average rainfall in September
Welch, TX
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is September (2.44").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in September
Welch, TX
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is September (12.6 days).
The months with the least rainy days are January and November (3.8 days).
Average snowfall in September
Welch, TX
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Welch, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (2.3 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
Welch, TX
- Average daylight in September: 12h and 2min
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: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Welch, TX
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (14.8 days).
Average UV index in September
Welch, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Welch, TX
- Average cloud cover in September: 24
The month with the most cloud cover is September (Cloud cover 24).
The months with the least cloud cover are June and August (Cloud cover 15).
Average visibility in September
Welch, 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).
Welch, Texas, USA
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