September weather forecastTam Anne, TX
September
Weather in September
The first month of the autumn, September, is still a warm month in Tam Anne, Texas, with an average temperature varying between 82.8°F (28.2°C) and 60.8°F (16°C).Temperature
The arrival of September signals a subtle shift in temperature, down from a hot 91°F (32.8°C) in August to a warm 82.8°F (28.2°C). A stark contrast in day to night temperatures can be seen in September, with an average low-temperature of 60.8°F (16°C).Heat index
For September, the heat index is computed to be 84.2°F (29°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.The metrics for the heat index are tailored for both shady environments and light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Humidity
The most humid month is September, with an average relative humidity of 57%.Rainfall
In Tam Anne, in September, during 11.1 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 86.8 rainfall days, and 13.35" (339mm) of precipitation is accumulated.Snowfall
In Tam Anne, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:23 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:44 am and sunset at 7:35 pm CDT.
Sunshine
In Tam Anne, Texas, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. 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
Tam Anne, TX
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (50.4°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (68.7°F).
The coldest months (with the lowest average low temperature) are January and December (30.6°F).
Average pressure in September
Tam Anne, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Tam Anne, TX
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is April (12.8mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in September
Tam Anne, TX
- Average humidity in September: 57%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is April (39%).
Average rainfall in September
Tam Anne, TX
- Average rainfall in September: 1.81"
The wettest months (with the highest rainfall) are June and July (1.85").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days in September
Tam Anne, TX
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Tam Anne, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Tam Anne, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (3.8 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
Tam Anne, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Tam Anne, TX
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (25.7 days).
The month with the least sunshine days is August (14.4 days).
Average UV index in September
Tam Anne, TX
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Tam Anne, TX
- Average cloud cover in September: 22
The months with the most cloud cover are February, September and December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Tam Anne, 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).





