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's arrival aligns with a minor decrease in average high-temperatures, from August's hot 94.6°F (34.8°C) to a still tropical 87.1°F (30.6°C). During September, Farmersville's temperature averages to a pleasant 68.7°F (20.4°C) at night.Heat index
The heat index value for September is appraised at a fiery hot 95°F (35°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Heat index determinations are made taking into account the shade and light air movements. 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 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree 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 particularly relevant to children. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in September is 66%.Rainfall
In Farmersville, in September, during 15.4 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Farmersville, during the entire year, the rain falls for 146.8 days and collects up to 33.78" (858mm) of precipitation.Snowfall
In Farmersville, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:10 pm CDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In Farmersville, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 6 in September leads to these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much 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?
How many hours of sunshine does Farmersville have in September?
What is the UV index reading in September?
Average temperature in September
Farmersville, TX
- Average high temperature in September: 87.1°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 (53.6°F).
- Average low temperature in September: 68.7°F
The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Farmersville, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Farmersville, TX
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity in September
Farmersville, TX
- Average humidity in September: 66%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Farmersville, TX
- Average rainfall in September: 3.03"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in September
Farmersville, TX
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Farmersville, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Farmersville, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Farmersville, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Farmersville, TX
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are May and September (13.3 days).
Average UV index in September
Farmersville, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Farmersville, TX
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Farmersville, 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).
Farmersville, Texas, USA
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