September weather forecast
Lake City, TX

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Weather in September

The first month of the autumn, September, is still a tropical month in Lake City, Texas, with an average temperature varying between 90.3°F (32.4°C) and 74.8°F (23.8°C).

Temperature

In Lake City, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's very hot 97°F (36.1°C) to a hot 90.3°F (32.4°C). In Lake City, an average temperature of 74.8°F (23.8°C) is noted during September nights.

Heat index

September's mean heat index is computed to be an extremely hot 105.8°F (41°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in September is 69%.

Rainfall

September is the month with the most rainfall in Lake City, Texas. Rain falls for 16.8 days and accumulates 2.2" (56mm) of precipitation.

Snowfall

March through November are months without snowfall.

Daylight

In Lake City, the average length of the day in September is 12h and 19min.
On the first day of the month, sunrise is at 7:10 am and sunset at 7:52 pm. On the last day of September, in Lake City, sunrise is at 7:24 am and sunset at 7:18 pm CDT.

Sunshine

In Lake City, Texas, the average sunshine in September is 8.5h.

UV index

In Lake City, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

How hot does it get in Lake City in September?

During September, Lake City experiences an average high-temperature of 90.3°F (32.4°C) and a low-temperature of 74.8°F (23.8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 105.8°F (41°C).

What is the average humidity in September in Lake City?

In Lake City, Texas, the average relative humidity in September is 69%.

What is the wettest month in Lake City?

The month with the most rainfall in Lake City, Texas, is September, when the rain falls for 16.8 days and typically aggregates up to 2.2" (56mm) of precipitation.

How many days does it rain in September in Lake City?

In Lake City, Texas, during September, the rain falls for 16.8 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Lake City?

In Lake City, snow does not fall in March through November.

What is the average length of the day in September in Lake City?

The average day length in September is 12h and 19min.

What time are sunrise and sunset in September in Lake City?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 7:52 pm. On the last day of the month, in Lake City, sunrise is at 7:24 am and sunset at 7:18 pm CDT.

How many hours of sunshine does Lake City have in September?

In Lake City, Texas, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Lake City?

The average daily maximum UV index in September in Lake City is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from 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
Lake City, TX

Average temperature in September - Lake City, TX
  • Average high temperature in September: 90.3°F

The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is January (64.4°F).

  • Average low temperature in September: 74.8°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

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Average pressure in September
Lake City, TX

Average pressure in September - Lake City, TX
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).

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Average wind speed in September
Lake City, TX

Average wind speed in September - Lake City, TX
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is May (10.7mph).
The calmest month (with the lowest average wind speed) is September (8mph).

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Average humidity in September
Lake City, TX

Average humidity in September - Lake City, TX
  • Average humidity in September: 69%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in September
Lake City, TX

Average rainfall in September - Lake City, TX
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is September (2.2").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in September
Lake City, TX

Average rainfall days in September - Lake City, TX
  • Average rainfall days in September: 16.8 days

The month with the highest number of rainy days is September (16.8 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in September
Lake City, TX

Average snowfall in September - Lake City, TX
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Lake City, TX

Average snowfall days in September - Lake City, TX
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

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Average daylight in September /
Average sunshine in September
Lake City, TX

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

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Lake City, TX

Average sunshine days in September - Lake City, TX
  • Average sunshine days in September: 11.2 days

The month with the most sunshine days is August (19.8 days).
The month with the least sunshine days is September (11.2 days).

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Average UV index in September
Lake City, TX

Average UV index in September - Lake City, TX
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in September
Lake City, TX

Average cloud cover in September - Lake City, TX
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in September
Lake City, TX

Average visibility in September - Lake City, 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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Lake City, Texas, USA

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