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
With the onset of September, Harker Heights experiences a modest temperature adjustment, with the average high-temperature gently receding from a very hot 96.3°F (35.7°C) in August to a tropical 87.8°F (31°C). In the month of September, Harker Heights experiences an average low-temperature of 70.7°F (21.5°C).Heat index
For September, the heat index is calculated to be a fiery hot 96.8°F (36°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.It is crucial to understand that heat index figures are for shade and gentle wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.
Humidity
The average relative humidity in September is 65%.Rainfall
In Harker Heights, in September, during 14.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 130.1 rainfall days, and 23.07" (586mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Harker Heights.Daylight
The average length of the day in September in Harker Heights is 12h and 20min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:16 pm CDT.
Sunshine
In Harker Heights, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index in Harker Heights is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Harker Heights in September?
What is the average humidity in September in Harker Heights?
How many days does it rain in September in Harker Heights?
When it does not snow in Harker Heights?
What is the average length of the day in September in Harker Heights?
When are sunrise and sunset in September in Harker Heights?
How many hours of sunshine does Harker Heights have in September?
What is the UV index reading in September in Harker Heights?
Average temperature in September
Harker Heights, TX
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).
Average pressure in September
Harker Heights, 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 (29.91"Hg).
Average wind speed in September
Harker Heights, TX
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in September
Harker Heights, TX
- Average humidity in September: 65%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Harker Heights, TX
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is November (0.98").
Average rainfall days in September
Harker Heights, TX
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is September (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in September
Harker Heights, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Harker Heights, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Harker Heights, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Harker Heights, TX
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in September
Harker Heights, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Harker Heights, TX
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Harker Heights, 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).
Harker Heights, Texas, USA
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