September weather forecast
Clute, TX

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Weather in September

September, the first month of the autumn in Clute, is still a tropical month, with temperature in the range of an average high of 86.9°F (30.5°C) and an average low of 75°F (23.9°C).

Temperature

Clute, Texas, marks the start of September with an average high-temperature of a still hot 86.9°F (30.5°C), hinting at a slight fluctuation from August's 91°F (32.8°C). In the month of September, Clute witnesses a consistent average low-temperature of 75°F (23.9°C).

Heat index

The heat index for September is computed to be a very hot 100.4°F (38°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In Clute, the average relative humidity in September is 76%.

Rainfall

September is the month with the most rainfall in Clute. Rain falls for 19.4 days and accumulates 3.98" (101mm) of precipitation.

Snowfall

February through November are months without snowfall.

Daylight

The average length of the day in September in Clute is 12h and 19min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:08 pm CDT.

Sunshine

In Clute, the average sunshine in September is 8.2h.

UV index

In Clute, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

How hot is it in Clute in September?

In September, the average high-temperature and low-temperature are 86.9°F (30.5°C) and 75°F (23.9°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is computed to be 100.4°F (38°C).

What is the average humidity in September in Clute?

The average relative humidity in September in Clute is 76%.

What is the wettest month in Clute?

September is the month with the most rainfall in Clute. Rain falls for 19.4 days and accumulates 3.98" (101mm) of precipitation.

How much does it rain in Clute in September?

In Clute, Texas, in September, it is raining for 19.4 days, with typically 3.98" (101mm) of accumulated precipitation.

When it does not snow in Clute?

In Clute, snow does not fall in February through November.

How many hours of daylight does Clute have in September?

In September, the average day length is 12h and 19min.

When are sunrise and sunset in September in Clute?

In September, on the first day of the month, sunrise is at 6:59 am and sunset at 7:42 pm. On the last day of the month, in Clute, Texas, sunrise is at 7:14 am and sunset at 7:08 pm CDT.

How long on average sun shines in September in Clute?

In Clute, Texas, the average sunshine duration in September is 8.2h.

What is the UV index reading in September in Clute?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's 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
Clute, TX

Average temperature in September - Clute, TX
  • Average high temperature in September: 86.9°F

The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (61.7°F).

  • Average low temperature in September: 75°F

The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (49.1°F).

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Average pressure in September
Clute, TX

Average pressure in September - Clute, TX
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Clute, TX

Average wind speed in September - Clute, TX
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).

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Average humidity in September
Clute, TX

Average humidity in September - Clute, TX
  • Average humidity in September: 76%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Clute, TX

Average rainfall in September - Clute, TX
  • Average rainfall in September: 3.98"

The wettest month (with the highest rainfall) is September (3.98").
The driest month (with the least rainfall) is March (1.34").

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Average rainfall days in September
Clute, TX

Average rainfall days in September - Clute, TX
  • Average rainfall days in September: 19.4 days

The month with the highest number of rainy days is September (19.4 days).
The month with the least rainy days is November (11.9 days).

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Average snowfall in September
Clute, TX

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

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

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Average snowfall days in September
Clute, TX

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

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

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

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

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in September
Clute, TX

Average sunshine days in September - Clute, TX
  • Average sunshine days in September: 7.6 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (7.6 days).

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Average UV index in September
Clute, TX

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

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

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Average cloud cover in September
Clute, TX

Average cloud cover in September - Clute, TX
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Clute, TX

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

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