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 beginning of September brings a slight decrease in the average high-temperature, transitioning from a tropical 91.8°F (33.2°C) in August to a moderately hot 85.1°F (29.5°C). In Horizon City, the average nighttime temperature during September is an agreeable 68.7°F (20.4°C).Heat index
For September, the heat index is estimated at 84.2°F (29°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. 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. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 43%.Rainfall
In Horizon City, during September, the rain falls for 11 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Horizon City, during the entire year, the rain falls for 72.6 days and collects up to 7.72" (196mm) of precipitation.Snowfall
January, March through November are months without snowfall.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:50 pm MDT.
Sunshine
In Horizon City, the average sunshine in September is 11.2h.UV index
In Horizon City, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 translates into these guidelines:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Horizon City in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Horizon City have in September?
How high is the UV index in September?
Average temperature in September
Horizon City, TX
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is June (94.5°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 68.7°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Horizon City, TX
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Horizon City, TX
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).
Average humidity in September
Horizon City, TX
- Average humidity in September: 43%
The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is May (21%).
Average rainfall in September
Horizon City, TX
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is April (0.12").
Average rainfall days in September
Horizon City, TX
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Horizon City, TX
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Horizon City, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and November (0 days).
Average daylight in September /
Average sunshine in September
Horizon City, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Horizon City, TX
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are January and March (27.3 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in September
Horizon City, 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, November and December (UV index 3).
Average cloud cover in September
Horizon City, TX
- Average cloud cover in September: 16
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in September
Horizon City, 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).
Horizon City, Texas, USA
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