September weather forecast
Big Spring, TX

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Weather in September

The first month of the autumn, September, is also a hot month in Big Spring, Texas, with an average temperature ranging between min 67.3°F (19.6°C) and max 86.2°F (30.1°C).

Temperature

Big Spring in September demonstrates a small temperature transition, adjusting from an average high of a torrid 95.2°F (35.1°C) in August to a tropical 86.2°F (30.1°C). In Big Spring, an average nighttime temperature of 67.3°F (19.6°C) is expected during September.

Heat index

The heat index value for September is estimated at a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

With an average relative humidity of 55%, September is the most humid month in Big Spring, Texas.

Rainfall

September is the month with the most rainfall in Big Spring. Rain falls for 11.5 days and accumulates 2.05" (52mm) of precipitation.

Snowfall

April through October are months without snowfall in Big Spring.

Daylight

The average length of the day in September in Big Spring is 12h and 21min.
On the first day of the month, sunrise is at 7:21 am and sunset at 8:09 pm. On the last day of September, in Big Spring, Texas, sunrise is at 7:39 am and sunset at 7:31 pm CDT.

Sunshine

In Big Spring, the average sunshine in September is 8.9h.

UV index

In Big Spring, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

How hot does it get in Big Spring in September?

In Big Spring, in September, the average high-temperature is 86.2°F (30.1°C), and the average low-temperature is 67.3°F (19.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 89.6°F (32°C).

What is the most humid month in Big Spring?

September is the most humid month in Big Spring, with an average relative humidity of 55%.

What is the average humidity in September in Big Spring?

In Big Spring, the average relative humidity in September is 55%.

What is the wettest month in Big Spring?

The month with the most rainfall in Big Spring is September, when the rain falls for 11.5 days and typically aggregates up to 2.05" (52mm) of precipitation.

How much does it rain in Big Spring in September?

In Big Spring, Texas, in September, during 11.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Big Spring?

April through October are months without snowfall in Big Spring.

What is the average length of the day in September in Big Spring?

The average day length in September is 12h and 21min.

What time are sunrise and sunset in September in Big Spring?

On the first day of September in Big Spring, Texas, sunrise is at 7:21 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:31 pm CDT.

How long on average sun shines in September in Big Spring?

In Big Spring, the average sunshine duration in September is 8.9h.

What is the UV index intensity in September in Big Spring?

The average daily maximum UV index in September in Big Spring is 6. A UV Index estimate of 6 to 7 represents 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
Big Spring, TX

Average temperature in September - Big Spring, TX
  • Average high temperature in September: 86.2°F

The warmest month (with the highest average high temperature) is August (95.2°F).
The months with the lowest average high temperature are January and December (56.3°F).

  • Average low temperature in September: 67.3°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).

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Average pressure in September
Big Spring, TX

Average pressure in September - Big Spring, TX
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.85"Hg).

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Average wind speed in September
Big Spring, TX

Average wind speed in September - Big Spring, TX
  • Average wind speed in September: 10.1mph

The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is September (10.1mph).

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Average humidity in September
Big Spring, TX

Average humidity in September - Big Spring, TX
  • Average humidity in September: 55%

The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is April (41%).

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Average rainfall in September
Big Spring, TX

Average rainfall in September - Big Spring, TX
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is September (2.05").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in September
Big Spring, TX

Average rainfall days in September - Big Spring, TX
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in September
Big Spring, TX

Average snowfall in September - Big Spring, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Big Spring, TX

Average snowfall days in September - Big Spring, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Big Spring, TX

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

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 5min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in September
Big Spring, TX

Average sunshine days in September - Big Spring, TX
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is January (27.6 days).
The month with the least sunshine days is September (16.1 days).

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Average UV index in September
Big Spring, TX

Average UV index in September - Big Spring, TX
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in September
Big Spring, TX

Average cloud cover in September - Big Spring, TX
  • Average cloud cover in September: 25

The month with the most cloud cover is September (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 14).

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Average visibility in September
Big Spring, TX

Average visibility in September - Big Spring, 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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Big Spring, Texas, USA

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