September weather forecast
Santa Maria, TX

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Weather in September

September, the first month of the autumn in Santa Maria, is still a hot month, with an average temperature varying between 92.5°F (33.6°C) and 77.4°F (25.2°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a hot 92.5°F (33.6°C) from August's sweltering 97.9°F (36.6°C). Santa Maria experiences a steady low-temperature of 77.4°F (25.2°C) throughout September.

Heat index

During September, the heat index is estimated at an extremely hot 111.2°F (44°C). Beware: Heat exhaustion along with heat cramps are on the cards. Heatstroke could result from sustained physical activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In September, the average relative humidity is 66%.

Rainfall

The wettest months in Santa Maria are July and September, with an average 2.01" (51mm) of rainfall.

Snowfall

In Santa Maria, snow does not fall in February 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 7:11 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:18 pm CDT.

Sunshine

In Santa Maria, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The average high-temperature and low-temperature during September are 92.5°F (33.6°C) and 77.4°F (25.2°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 111.2°F (44°C).

What is the average humidity in September?

In Santa Maria, the average relative humidity in September is 66%.

What is the wettest month?

The wettest months are July and September, with an average 2.01" (51mm) of rainfall.

How much does it rain in September?

In Santa Maria, in September, it is raining for 14.4 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow?

February through December are months without snowfall.

How many hours of daylight does Santa Maria have in September?

In Santa Maria, the average day length in September is 12h and 18min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:11 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:18 pm CDT.

How long on average sun shines in September in Santa Maria?

In September, the average sunshine duration is 8.3h.

What is the UV index intensity in September?

In Santa Maria, Texas, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Santa Maria, TX

Average temperature in September - Santa Maria, TX
  • Average high temperature in September: 92.5°F

The warmest month (with the highest average high temperature) is August (97.9°F).
The month with the lowest average high temperature is January (69.6°F).

  • Average low temperature in September: 77.4°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 (54.1°F).

Average pressure in September
Santa Maria, TX

Average pressure in September - Santa Maria, TX
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

Average wind speed in September
Santa Maria, TX

Average wind speed in September - Santa Maria, TX
  • Average wind speed in September: 8.5mph

The windiest months (with the highest average wind speed) are March, April and May (11.7mph).
The calmest month (with the lowest average wind speed) is September (8.5mph).

Average humidity in September
Santa Maria, TX

Average humidity in September - Santa Maria, TX
  • Average humidity in September: 66%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Santa Maria, TX

Average rainfall in September - Santa Maria, TX
  • Average rainfall in September: 2.01"

The wettest months (with the highest rainfall) are July and September (2.01").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days in September
Santa Maria, TX

Average rainfall days in September - Santa Maria, TX
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is July (6.4 days).

Average snowfall in September
Santa Maria, TX

Average snowfall in September - Santa Maria, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.12").
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
Santa Maria, TX

Average snowfall days in September - Santa Maria, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Santa Maria, TX

Average daylight in September / Average sunshine in September - Santa Maria, TX
  • Average daylight in September: 12h and 2min

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: 8h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Santa Maria, TX

Average sunshine days in September - Santa Maria, TX
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is September (13.8 days).

Average UV index in September
Santa Maria, TX

Average UV index in September - Santa Maria, TX
  • Average UV index in September: 7

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).

Average cloud cover in September
Santa Maria, TX

Average cloud cover in September - Santa Maria, TX
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Santa Maria, TX

Average visibility in September - Santa Maria, 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).

Santa Maria, Texas, USA

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