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 onset of September introduces a moderate change in Knott's weather, with average high-temperatures falling from August's torrid 95.2°F (35.1°C) to a hot 86.2°F (30.1°C). Knott, in September, witnesses an average low-temperature of 67.3°F (19.6°C).Heat index
For most parts of September, the heat index is computed to be a hot 89.6°F (32°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
September is the most humid month, with an average relative humidity of 55%.Rainfall
The month with the most rainfall is September, when the rain falls for 11.5 days and typically aggregates up to 2.05" (52mm) of precipitation.Snowfall
In Knott, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 7:22 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:40 am and sunset at 7:32 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the most humid month?
What is the average humidity in September?
What is the wettest month in Knott?
How much does it rain in Knott in September?
When it does not snow in Knott?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Knott have in September?
How high is the UV index in September?
Average temperature in September
Knott, TX
- Average high temperature in September: 86.2°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The months with the lowest average high temperature are January and December (56.3°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in September
Knott, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.85"Hg).
Average wind speed in September
Knott, TX
- Average wind speed in September: 10.1mph
The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is September (10.1mph).
Average humidity in September
Knott, TX
- Average humidity in September: 55%
The month with the highest relative humidity is September (55%).
The month with the lowest relative humidity is April (41%).
Average rainfall in September
Knott, TX
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is September (2.05").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Knott, TX
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Knott, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Knott, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Knott, 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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Knott, TX
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is January (27.6 days).
The month with the least sunshine days is September (16.1 days).
Average UV index in September
Knott, 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 and December (UV index 3).
Average cloud cover in September
Knott, TX
- Average cloud cover in September: 25
The month with the most cloud cover is September (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Knott, 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).
Knott, Texas, USA
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