September weather forecastBayview, TX
September
Weather in September
The first month of the autumn, September, is still a hot month in Bayview, Texas, with an average temperature fluctuating between 88°F (31.1°C) and 79.5°F (26.4°C).Temperature
With the arrival of September, Bayview's average high-temperature registers at a still tropical 88°F (31.1°C), indicating a subtle variation from the previous month. Bayview's September nights observe a minor shift from the daytime temperatures, resulting in an average dip to a moderately hot 79.5°F (26.4°C).Heat index
The average heat index in September is appraised at a sweltering 100.4°F (38°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
The average relative humidity in September in Bayview is 72%.Rainfall
The month with the most rainfall is September, when the rain falls for 16.6 days and typically aggregates up to 2.36" (60mm) of precipitation.Snowfall
In Bayview, snow does not fall in January, March through December.Daylight
The average length of the day in September is 12h and 18min.On the first day of the month, sunrise is at 7:09 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:16 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 7 in September translates into these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bayview, TX
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in September: 79.5°F
The month with the highest average low temperature is August (80.8°F).
The coldest month (with the lowest average low temperature) is January (57.7°F).
Average pressure in September
Bayview, TX
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in September
Bayview, TX
- Average wind speed in September: 9.9mph
The windiest months (with the highest average wind speed) are March and April (13.2mph).
The calmest month (with the lowest average wind speed) is September (9.9mph).
Average humidity in September
Bayview, TX
- Average humidity in September: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Bayview, TX
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is September (2.36").
The driest month (with the least rainfall) is April (0.39").
Average rainfall days in September
Bayview, TX
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is February (7.7 days).
Average snowfall days in September
Bayview, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Bayview, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Bayview, TX
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is March (21.7 days).
The month with the least sunshine days is September (10.2 days).
Average UV index in September
Bayview, TX
- Average UV index in September: 7
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Bayview, TX
- Average cloud cover in September: 29
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Bayview, 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).
