September weather forecastHereford, TX
September
Weather in September
September, the first month of the autumn in Hereford, is still a warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 61°F (16.1°C).Temperature
September is characterized by a slight reduction in average high-temperature, easing from a hot 90.3°F (32.4°C) in August to a moderately hot 82°F (27.8°C). In Hereford, in September, the average low-temperature is an enjoyable 61°F (16.1°C).Heat index
In September, the average heat index is evaluated at 84.2°F (29°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. 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. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In Hereford, the average relative humidity in September is 55%.Rainfall
The months with the most rainfall are July and September, with an average 1.81" (46mm) of precipitation.Snowfall
In Hereford, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:23 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:44 am and sunset at 7:34 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hereford, TX
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (50.4°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).
Average pressure in September
Hereford, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Hereford, TX
- Average wind speed in September: 10.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in September
Hereford, TX
- Average humidity in September: 55%
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is April (39%).
Average rainfall in September
Hereford, TX
- Average rainfall in September: 1.81"
The wettest months (with the highest rainfall) are July and September (1.81").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
Hereford, TX
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is November (3.2 days).
Average snowfall in September
Hereford, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Hereford, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hereford, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Hereford, TX
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (25.4 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Hereford, TX
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Hereford, TX
- Average cloud cover in September: 21
The months with the most cloud cover are February and December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Hereford, 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).
