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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a very hot 98.1°F (36.7°C) in August to a hot 91.2°F (32.9°C). September nights in Armstrong are marked by an average low-temperature of 75.2°F (24°C).Heat index
Throughout September, the heat index is appraised at a scorching 109.4°F (43°C). Warning: Heat cramps and heat exhaustion are anticipated. Heatstroke is a risk with ongoing activity.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
The average relative humidity in September is 69%.Rainfall
The month with the most rainfall is September, when the rain falls for 17.4 days and typically aggregates up to 2.64" (67mm) of precipitation.Snowfall
In Armstrong, snow does not fall in February through December.Daylight
The average length of the day in September is 12h and 18min.On the first day of the month, sunrise is at 7:10 am and sunset at 7:50 pm. On the last day of September, in Armstrong, sunrise is at 7:23 am and sunset at 7:18 pm CDT.
Sunshine
In Armstrong, the average sunshine in September is 8.5h.UV index
In Armstrong, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
How hot is it in Armstrong in September?
What is the average humidity in September in Armstrong?
What is the wettest month in Armstrong?
How many days does it rain in September in Armstrong?
When it does not snow in Armstrong?
How many hours of daylight does Armstrong have in September?
When is the sunrise / sunset in September in Armstrong?
How long on average sun shines in September in Armstrong?
How high is the UV index in September in Armstrong?
Average temperature in September
Armstrong, TX
- Average high temperature in September: 91.2°F
The warmest month (with the highest average high temperature) is August (98.1°F).
The month with the lowest average high temperature is January (67.1°F).
- Average low temperature in September: 75.2°F
The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (50.5°F).
Average pressure in September
Armstrong, TX
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed in September
Armstrong, TX
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is May (11.4mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity in September
Armstrong, TX
- Average humidity in September: 69%
The month with the highest relative humidity is December (71%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Armstrong, TX
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is September (2.64").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Armstrong, TX
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is September (17.4 days).
The month with the least rainy days is August (7 days).
Average snowfall in September
Armstrong, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Armstrong, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Armstrong, TX
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Armstrong, TX
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is September (10.5 days).
Average UV index in September
Armstrong, TX
- Average UV index in September: 7
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Armstrong, TX
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Armstrong, 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).
Armstrong, Texas, USA
Weather forecast for your location
2. Allow the app to use your location
