Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Pattison's September weather shows a modest shift in high-temperatures, falling from August's hot 94.6°F (34.8°C) to a still tropical 88.3°F (31.3°C). Nighttime temperatures hover around an average low of 71.8°F (22.1°C) in September.Heat index
For September, the heat index is estimated at a blistering 104°F (40°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.
Humidity
In Pattison, Texas, the average relative humidity in September is 76%.Rainfall
In Pattison, during September, the rain falls for 16.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Pattison, there are 144.3 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall in Pattison.Daylight
In Pattison, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:45 pm. On the last day of September, in Pattison, Texas, sunrise is at 7:17 am and sunset at 7:10 pm CDT.
Sunshine
In September, the average sunshine in Pattison, Texas, is 8.4h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 6 transforms into the following instructions:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
How hot is September in Pattison?
What is the average humidity in September in Pattison?
How many days does it rain in September in Pattison?
When it does not snow in Pattison?
How many hours of daylight does Pattison have in September?
What time are sunrise and sunset in September in Pattison?
How long on average sun shines in September in Pattison?
How high is the UV index in September in Pattison?
Average temperature in September
Pattison, TX
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in September: 71.8°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in September
Pattison, 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
Pattison, TX
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in September
Pattison, TX
- Average humidity in September: 76%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Pattison, TX
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Pattison, TX
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is January (8.2 days).
Average snowfall days in September
Pattison, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 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
Pattison, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Pattison, TX
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is September (10.4 days).
Average UV index in September
Pattison, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Pattison, TX
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Pattison, TX
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May, June and July (5mi).
Pattison, Texas, USA
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