September weather forecastPerryton, TX
September
Weather in September
The first month of the autumn, September, is still a warm month in Perryton, Texas, with an average temperature varying between 84.4°F (29.1°C) and 64°F (17.8°C).Temperature
In September, the average high-temperature marginally decreases from a tropical 91.9°F (33.3°C) in August to a warm 84.4°F (29.1°C). Perryton observes an average nighttime temperature of 64°F (17.8°C) during September.Heat index
September's mean heat index is calculated to be a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Be informed that the heat index values are oriented around shady conditions and gentle breezes. 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 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in September is 52%.Rainfall
In September, the rain falls for 8.4 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. In Perryton, during the entire year, the rain falls for 84.9 days and collects up to 13.15" (334mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 7:15 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:27 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perryton, TX
- Average high temperature in September: 84.4°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (48.2°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Perryton, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Perryton, TX
- Average wind speed in September: 12.4mph
The windiest months (with the highest average wind speed) are April and June (14mph).
The calmest month (with the lowest average wind speed) is January (11.1mph).
Average humidity in September
Perryton, TX
- Average humidity in September: 52%
The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is July (46%).
Average rainfall in September
Perryton, TX
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is November (0.35").
Average rainfall days in September
Perryton, TX
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is August (12.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Perryton, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Perryton, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 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
Perryton, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in September
Perryton, TX
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is August (14.5 days).
Average UV index in September
Perryton, TX
- Average UV index in September: 5
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 2).
Average cloud cover in September
Perryton, TX
- Average cloud cover in September: 19
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Perryton, 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).





