September weather forecast
Pearland, TX

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Weather in September

Pearland residents start to enjoy lower temperatures with the onset of September's weather. This month showcases shorter daylight hours and reduced sunshine duration while retaining a slight increase in relative humidity. As summer turns to fall, the UV index begins to decrease steadily, signposting the transition. September stands out for its maximum rainfall measurement, indicating the start of the wet season. This month's temperatures range from 73.8°F (23.2°C) to 87.4°F (30.8°C), introducing cooler periods while running the highest rainfall record of 1.54" (39mm).

Temperature

The introduction of September sees an average high-temperature of a still tropical 87.4°F (30.8°C), hardly deviating from August. Pearland throughout September, experiences an average nighttime temperature of 73.8°F (23.2°C).

Heat index

September's heat index is evaluated at a torrid 102.2°F (39°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the most rainfall. Rain falls for 15.6 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

March through November are months without snowfall in Pearland.

Daylight

In Pearland, the average length of the day in September is 12h and 20min.
On the first day of September in Pearland, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:07 pm CDT.

Sunshine

In September, the average sunshine in Pearland is 8.7h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

How hot is it in Pearland in September?

In Pearland, in September, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 73.8°F (23.2°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 102.2°F (39°C).

What is the average humidity in September in Pearland?

In Pearland, the average relative humidity in September is 75%.

What is the wettest month in Pearland?

The month with the most rainfall in Pearland is September, when the rain falls for 15.6 days and typically aggregates up to 1.54" (39mm) of precipitation.

How much does it rain in Pearland in September?

In Pearland, Texas, in September, it is raining for 15.6 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Pearland?

March through November are months without snowfall in Pearland, Texas.

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

In September, the average day length in Pearland, Texas, is 12h and 20min.

When are sunrise and sunset in September in Pearland?

On the first day of September, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:07 pm CDT.

How many hours of sunshine does Pearland have in September?

In Pearland, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Pearland?

In Pearland, the average daily maximum UV index in September is 6. 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pearland, TX

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

The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (61°F).

  • Average low temperature in September: 73.8°F

The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).

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Average pressure in September
Pearland, TX

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Pearland, TX

Average wind speed in September - Pearland, TX
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.4mph).

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Average humidity in September
Pearland, TX

Average humidity in September - Pearland, TX
  • Average humidity in September: 75%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Pearland, TX

Average rainfall in September - Pearland, TX
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is September (1.54").
The driest months (with the least rainfall) are February and March (0.35").

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Average rainfall days in September
Pearland, TX

Average rainfall days in September - Pearland, TX
  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall days in September
Pearland, TX

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

The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Pearland, 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 4min

The month with the most sunshine is August (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
Pearland, TX

Average sunshine days in September - Pearland, TX
  • Average sunshine days in September: 11.1 days

The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are August and September (11.1 days).

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Average UV index in September
Pearland, TX

Average UV index in September - Pearland, 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, February, November and December (UV index 4).

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Average cloud cover in September
Pearland, TX

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Pearland, TX

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

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