September weather forecastMagnolia Beach, TX
September
Weather in September
The first month of the autumn, September, is still a tropical month in Magnolia Beach, Texas, with an average temperature fluctuating between 86.9°F (30.5°C) and 76.1°F (24.5°C).Temperature
September records an average high-temperature of a still hot 86.9°F (30.5°C), indicating a minor variation from the preceding month. An average low-temperature of 76.1°F (24.5°C) marks the nights throughout September.Heat index
September's average heat index is computed to be a fiery hot 98.6°F (37°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In Magnolia Beach, the average relative humidity in September is 74%.Rainfall
September is the month with the most rainfall. Rain falls for 19.8 days and accumulates 3.35" (85mm) of precipitation.Snowfall
February through December are months without snowfall in Magnolia Beach.Daylight
In Magnolia Beach, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:12 pm CDT.
Sunshine
In Magnolia Beach, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. 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
Magnolia Beach, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (62.2°F).
- Average low temperature in September: 76.1°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (49.6°F).
Average pressure in September
Magnolia Beach, TX
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Magnolia Beach, TX
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in September
Magnolia Beach, TX
- Average humidity in September: 74%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Magnolia Beach, TX
- Average rainfall in September: 3.35"
The wettest month (with the highest rainfall) is September (3.35").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in September
Magnolia Beach, TX
- Average rainfall days in September: 19.8 days
The month with the highest number of rainy days is September (19.8 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
Magnolia Beach, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Magnolia Beach, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Magnolia Beach, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Magnolia Beach, TX
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is September (8.5 days).
Average UV index in September
Magnolia Beach, 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 4).
Average cloud cover in September
Magnolia Beach, TX
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Magnolia Beach, 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).





