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 tropical month, with temperature in the range of an average low of 77.4°F (25.2°C) and an average high of 92.5°F (33.6°C).

Temperature

Santa Maria in September undergoes a slight reduction in the average high-temperature, shifting from August's fiery hot 97.9°F (36.6°C) to a tropical 92.5°F (33.6°C). September's nights in Santa Maria observe an average temperature of 77.4°F (25.2°C).

Heat index

The heat index for September is evaluated at a blistering 111.2°F (44°C). Vigilance: Heat cramps and heat exhaustion are likely. The likelihood of heatstroke increases with continued activity.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

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

Rainfall

The wettest months 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, in Santa Maria, 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 in Santa Maria is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

How hot is it in Santa Maria in September?

The high-temperature, in September, in Santa Maria, records 92.5°F (33.6°C), while the low-temperature is 77.4°F (25.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 111.2°F (44°C).

What is the average humidity in September in Santa Maria?

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

What is the wettest month in Santa Maria?

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

How many days does it rain in September in Santa Maria?

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

When it does not snow in Santa Maria?

In Santa Maria, snow does not fall in February through December.

What is the average length of the day in September in Santa Maria?

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

When are sunrise and sunset in September in Santa Maria?

In September, on the first day of the month, 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 many hours of sunshine does Santa Maria have in September?

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

What is the UV index intensity in September in Santa Maria?

The average daily maximum UV index in September in Santa Maria, Texas, is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Santa Maria, Texas, USA

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