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
The start of September signals a gentle decrease in the average high-temperature, transitioning from a sweltering 99.3°F (37.4°C) in August to a hot 91.4°F (33°C). September's nights in Catarina, Texas, observe an average temperature of 74.8°F (23.8°C).Heat index
For September, the heat index is computed to be a scorching 104°F (40°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In September, the average relative humidity is 60%.Rainfall
In Catarina, in September, during 14.4 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Catarina, during the entire year, the rain falls for 105.2 days and collects up to 14.33" (364mm) of precipitation.Snowfall
In Catarina, Texas, snow does not fall in March through October and December.Daylight
In September, the average length of the day is 12h and 19min.On the first day of September in Catarina, sunrise is at 7:17 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:25 pm CDT.
Sunshine
In September, the average sunshine in Catarina is 8.5h.UV index
The average daily maximum UV index in September in Catarina is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 7 in September transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
How hot does it get in Catarina in September?
What is the average humidity in September in Catarina?
How much does it rain in Catarina in September?
When it does not snow in Catarina?
What is the average length of the day in September in Catarina?
What time are sunrise and sunset in September in Catarina?
How many hours of sunshine does Catarina have in September?
How high is the UV index in September in Catarina?
Average temperature in September
Catarina, TX
- Average high temperature in September: 91.4°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 (64.9°F).
- Average low temperature in September: 74.8°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).
Average pressure in September
Catarina, TX
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Catarina, TX
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is May (11.2mph).
The calmest month (with the lowest average wind speed) is December (7.3mph).
Average humidity in September
Catarina, TX
- Average humidity in September: 60%
The months with the highest relative humidity are November and December (63%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Catarina, TX
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Catarina, TX
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is January (5.7 days).
Average snowfall days in September
Catarina, 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 December (0 days).
Average daylight in September /
Average sunshine in September
Catarina, 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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Catarina, TX
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is September (13.8 days).
Average UV index in September
Catarina, TX
- Average UV index in September: 7
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Catarina, TX
- Average cloud cover in September: 30
The months with the most cloud cover are March and May (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Catarina, 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).
Catarina, Texas, USA
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