September weather forecastPearland, TX
September
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 transition from August to September sees average high-temperatures adjusting to a still tropical 87.4°F (30.8°C), from a not significantly different 92.8°F (33.8°C). Pearland's temperature lowers to a mean of 73.8°F (23.2°C) during the nights in September.Heat index
September's mean heat index is calculated to be a fiery hot 102.2°F (39°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In September, the average relative humidity 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.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:07 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
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 exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
Average daylight in September /
Average sunshine in September
Pearland, TX
- Average daylight in September: 12h and 18min
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 42min
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).
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).
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).
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).
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).
