September weather forecastSanta Anna, TX
September
Weather in September
September, the first month of the autumn in Santa Anna, is still a tropical month, with an average temperature fluctuating between 68.7°F (20.4°C) and 87.1°F (30.6°C).Temperature
September sees a slight reduction in average high-temperature, with a shift from a torrid 95.4°F (35.2°C) in August to a tropical 87.1°F (30.6°C). In the month of September, the average low-temperature in Santa Anna usually rests at a pleasant 68.7°F (20.4°C).Heat index
For most parts of September, the heat index is appraised at a tropical 93.2°F (34°C). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In September, the average relative humidity in Santa Anna is 59%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. In Santa Anna, during the entire year, the rain falls for 108.9 days and collects up to 18.19" (462mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Santa Anna, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:13 am and sunset at 8:00 pm. On the last day of September, in Santa Anna, sunrise is at 7:30 am and sunset at 7:23 pm CDT.
Sunshine
In Santa Anna, Texas, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 6 transforms into the following advice:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santa Anna, TX
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is December (56.8°F).
- Average low temperature in September: 68.7°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in September
Santa Anna, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in September
Santa Anna, TX
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is September (8.6mph).
Average humidity in September
Santa Anna, TX
- Average humidity in September: 59%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Santa Anna, TX
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Santa Anna, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Santa Anna, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Santa Anna, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Santa Anna, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Santa Anna, TX
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is May (15.2 days).
Average UV index in September
Santa Anna, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Santa Anna, TX
- Average cloud cover in September: 28
The months with the most cloud cover are March and May (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Santa Anna, 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).
