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
September welcomes an average high-temperature of a still hot 86.5°F (30.3°C), not much different from the preceding month. Nighttime temperatures hover around an average low of 76.1°F (24.5°C) in September.Heat index
The heat index for September is calculated to be a torrid 98.6°F (37°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
In Francitas, the average relative humidity in September is 75%.Rainfall
September is the month with the most rainfall. Rain falls for 19.5 days and accumulates 4.09" (104mm) of precipitation.Snowfall
In Francitas, snow does not fall in February through December.Daylight
The average length of the day in September in Francitas is 12h and 19min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:11 pm CDT.
Sunshine
The average sunshine in September in Francitas, Texas, is 8.8h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Francitas in September?
What is the average humidity in September?
What is the rainiest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Francitas?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Francitas, TX
- Average high temperature in September: 86.5°F
The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is January (61.7°F).
- Average low temperature in September: 76.1°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (50°F).
Average pressure in September
Francitas, TX
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Francitas, TX
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in September
Francitas, TX
- Average humidity in September: 75%
The months with the highest relative humidity are February, March and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Francitas, TX
- Average rainfall in September: 4.09"
The wettest month (with the highest rainfall) is September (4.09").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Francitas, TX
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Francitas, 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
Francitas, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Francitas, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Francitas, TX
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is September (9.2 days).
Average UV index in September
Francitas, 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 and December (UV index 4).
Average cloud cover in September
Francitas, TX
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Francitas, 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).
Francitas, Texas, USA
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