September weather forecastAransas Pass, TX
September
Weather in September
September, the first month of the autumn in Aransas Pass, is still a warm month, with an average temperature varying between 85.6°F (29.8°C) and 79°F (26.1°C).Temperature
September commences with an average high-temperature of a moderately hot 85.6°F (29.8°C), showing little deviation from August's 88.5°F (31.4°C). A minor drop in temperature is observed from daytime highs during the nights of September, averaging a still warm 79°F (26.1°C).Heat index
During September, the heat index is computed to be a fiery hot 96.8°F (36°C). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In September, the average relative humidity in Aransas Pass is 74%.Rainfall
The month with the most rainfall in Aransas Pass, Texas, is September, when the rain falls for 17.6 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
January, March through December are months without snowfall in Aransas Pass.Ocean temperature
In Aransas Pass, in September, the average water temperature is 84.6°F (29.2°C).Note: Water temperatures from 77°F (25°C) to 84.2°F (29°C) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.
Daylight
In Aransas Pass, the average length of the day in September is 12h and 19min.On the first day of September in Aransas Pass, sunrise is at 7:07 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:15 pm CDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The months with the highest UV index in Aransas Pass are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aransas Pass, TX
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is January (62.8°F).
- Average low temperature in September: 79°F
The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (53.8°F).
Average pressure in September
Aransas Pass, TX
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Aransas Pass, TX
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is May (13.5mph).
The calmest month (with the lowest average wind speed) is September (10.6mph).
Average humidity in September
Aransas Pass, TX
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Aransas Pass, TX
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is September (2.91").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in September
Aransas Pass, TX
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Aransas Pass, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Aransas Pass, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Aransas Pass, TX
- Average sea temperature in September: 84.6°F
The best month for swimming (with the highest average sea temperature) is August (86.1°F).
The coldest month (with the lowest average sea temperature) is February (61.3°F).
Average daylight in September /
Average sunshine in September
Aransas Pass, 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: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Aransas Pass, TX
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is September (10.8 days).
Average UV index in September
Aransas Pass, TX
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Aransas Pass, TX
- Average cloud cover in September: 30
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Aransas Pass, 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).
