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 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
The transition into September subtly indicates a reduction in the average high-temperature, down to a hot 91.6°F (33.1°C) from August's sweltering 99.3°F (37.4°C). Cotulla, in September, witnesses an average low-temperature of 74.7°F (23.7°C).Heat index
The heat index value during September is appraised at a scorching 105.8°F (41°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Research indicates the heat index considers values in shaded locales and with light winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In Cotulla, the average relative humidity in September is 62%.Rainfall
In Cotulla, Texas, during September, the rain falls for 14 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Cotulla, there are 99.5 rainfall days, and 12.09" (307mm) of precipitation is accumulated.Snowfall
In Cotulla, snow does not fall in February through December.Daylight
In Cotulla, the average length of the day in September is 12h and 19min.On the first day of September in Cotulla, Texas, sunrise is at 7:15 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:23 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Cotulla, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 7 in September transforms into this advice:
Take precautions against overexposure. Protection against sun damage is needed. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
How hot does it get in Cotulla in September?
What is the average humidity in September in Cotulla?
How many days does it rain in September in Cotulla?
When it does not snow in Cotulla?
What is the average length of the day in September in Cotulla?
When is the sunrise / sunset in September in Cotulla?
How long on average sun shines in September in Cotulla?
How high is the UV index in September in Cotulla?
Average temperature in September
Cotulla, TX
- Average high temperature in September: 91.6°F
The warmest month (with the highest average high temperature) is August (99.3°F).
The month with the lowest average high temperature is January (64.8°F).
- Average low temperature in September: 74.7°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in September
Cotulla, TX
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Cotulla, TX
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is May (10.9mph).
The calmest month (with the lowest average wind speed) is December (7.6mph).
Average humidity in September
Cotulla, TX
- Average humidity in September: 62%
The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Cotulla, TX
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Cotulla, TX
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is September (14 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in September
Cotulla, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Cotulla, 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
Cotulla, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Cotulla, TX
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is August (23.7 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in September
Cotulla, TX
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Cotulla, TX
- Average cloud cover in September: 30
The months with the most cloud cover are February, March, May and December (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Cotulla, 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).
Cotulla, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
