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
At the start of September, Patterson's average high-temperature reaches a still tropical 86.4°F (30.2°C), subtly different from the preceding month. September nights are marked by an average low-temperature of 73.2°F (22.9°C).Heat index
The heat index for September is estimated at a very hot 100.4°F (38°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity in Patterson is 78%.Rainfall
In September, in Patterson, the rain falls for 15.3 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Patterson, during the entire year, the rain falls for 149.2 days and collects up to 22.83" (580mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:42 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 10.5h.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 exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
How hot does it get in Patterson in September?
What is the average humidity in September in Patterson?
How many days does it rain in September in Patterson?
When it does not snow in Patterson?
What is the average length of the day in September in Patterson?
What time are sunrise and sunset in September in Patterson?
How long on average sun shines in September in Patterson?
What is the UV index reading in September in Patterson?
Average temperature in September
Patterson, LA
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in September: 73.2°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.7°F).
Average pressure in September
Patterson, LA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).
Average wind speed in September
Patterson, LA
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are February and April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Patterson, LA
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Patterson, LA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is March (0.87").
Average rainfall days in September
Patterson, LA
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall days in September
Patterson, LA
- 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, November and December (0 days).
Average daylight in September /
Average sunshine in September
Patterson, LA
- 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: 10h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Patterson, LA
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (7.7 days).
Average UV index in September
Patterson, LA
- 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).
Average cloud cover in September
Patterson, LA
- Average cloud cover in September: 25
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in September
Patterson, LA
- 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).
Patterson, Louisiana, USA
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