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 start of September signals a decrease in the average high-temperature, transitioning from a torrid 96.6°F (35.9°C) in August to a hot 87.3°F (30.7°C). Henrietta, during September nights, observes an average temperature of 68.2°F (20.1°C).Heat index
The heat index in September is calculated to be a hot 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. 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. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Henrietta, the average relative humidity in September is 61%.Rainfall
In Henrietta, during September, the rain falls for 11.7 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Henrietta, Texas, during the entire year, the rain falls for 110.7 days and collects up to 21.22" (539mm) of precipitation.Snowfall
In Henrietta, snow does not fall in April through October.Daylight
In Henrietta, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:17 pm CDT.
Sunshine
In Henrietta, the average sunshine in September is 8.5h.UV index
In Henrietta, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
How hot is it in Henrietta in September?
What is the average humidity in September in Henrietta?
How much does it rain in Henrietta in September?
When it does not snow in Henrietta?
How many hours of daylight does Henrietta have in September?
When is the sunrise / sunset in September in Henrietta?
How many hours of sunshine does Henrietta have in September?
What is the UV index reading in September in Henrietta?
Average temperature in September
Henrietta, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in September: 68.2°F
The months with the highest average low temperature are July and August (75.4°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Henrietta, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Henrietta, TX
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is September (7.9mph).
Average humidity in September
Henrietta, TX
- Average humidity in September: 61%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Henrietta, TX
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in September
Henrietta, TX
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Henrietta, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Henrietta, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Henrietta, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Henrietta, TX
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in September
Henrietta, TX
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Henrietta, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Henrietta, 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).
Henrietta, Texas, USA
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