September weather forecast
Britton, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Britton, Texas, with an average temperature ranging between min 69.4°F (20.8°C) and max 87.4°F (30.8°C).

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's fiery hot 95.5°F (35.3°C) to a tropical 87.4°F (30.8°C). During September, Britton sees a mean low-temperature of 69.4°F (20.8°C).

Heat index

September's heat index is evaluated at a fiery hot 95°F (35°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In September, the average relative humidity is 64%.

Rainfall

In Britton, in September, during 12.6 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 111.5 rainfall days, and 12.8" (325mm) of precipitation is accumulated.

Snowfall

In Britton, Texas, snow does not fall in January, March through October.

Daylight

In September, the average length of the day in Britton, Texas, is 12h and 22min.
On the first day of September, sunrise is at 7:03 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm CDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

Is it hot in Britton during September?

Britton in September has an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 69.4°F (20.8°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 95°F (35°C).

What is the average humidity in September in Britton?

In Britton, Texas, the average relative humidity in September is 64%.

How many days does it rain in September in Britton?

In Britton, in September, it is raining for 12.6 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in Britton?

January, March through October are months without snowfall in Britton, Texas.

What is the average length of the day in September in Britton?

The average day length in September in Britton, Texas, is 12h and 22min.

When is the sunrise / sunset in September in Britton?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm CDT.

How many hours of sunshine does Britton have in September?

In September, the average sunshine duration in Britton, Texas, is 8.4h.

What is the UV index intensity in September in Britton?

The average daily maximum UV index in September in Britton, Texas, is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Britton, TX

Average temperature in September - Britton, TX
  • Average high temperature in September: 87.4°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.2°F).

  • Average low temperature in September: 69.4°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in September
Britton, TX

Average pressure in September - Britton, TX
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in September
Britton, TX

Average wind speed in September - Britton, TX
  • Average wind speed in September: 6.7mph

The windiest months (with the highest average wind speed) are March and April (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

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Average humidity in September
Britton, TX

Average humidity in September - Britton, TX
  • Average humidity in September: 64%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (57%).

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Average rainfall in September
Britton, TX

Average rainfall in September - Britton, TX
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in September
Britton, TX

Average rainfall days in September - Britton, TX
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is September (12.6 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in September
Britton, TX

Average snowfall in September - Britton, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are January, March, April, May, June, July, August, September and October (0").

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Average snowfall days in September
Britton, TX

Average snowfall days in September - Britton, TX
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Britton, TX

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in September
Britton, TX

Average sunshine days in September - Britton, TX
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (14.8 days).

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Average UV index in September
Britton, TX

Average UV index in September - Britton, TX
  • Average UV index in September: 6

The months with the highest UV index are 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
Britton, TX

Average cloud cover in September - Britton, TX
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Britton, TX

Average visibility in September - Britton, 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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Britton, Texas, USA

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