September weather forecastPerry, TX
September
Weather in September
September, the first month of the autumn in Perry, is still a tropical month, with an average temperature varying between 70.7°F (21.5°C) and 88.7°F (31.5°C).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a torrid 96.4°F (35.8°C) in August to a hot 88.7°F (31.5°C). Throughout September, Perry anticipates an average low-temperature of 70.7°F (21.5°C).Heat index
The heat index in September is calculated to be a very hot 100.4°F (38°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Understand that the heat index values take into account shaded locations and mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
In Perry, the average relative humidity in September is 66%.Rainfall
In Perry, during September, the rain falls for 12.3 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Perry, Texas, during the entire year, the rain falls for 113.1 days and collects up to 14.17" (360mm) of precipitation.Snowfall
In Perry, snow does not fall in January, March through December.Daylight
The average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 7:03 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:13 pm CDT.
Sunshine
In Perry, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Perry is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perry, TX
- Average high temperature in September: 88.7°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in September
Perry, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Perry, TX
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in September
Perry, TX
- Average humidity in September: 66%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Perry, TX
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Perry, TX
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Perry, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Perry, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 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
Perry, TX
- Average daylight in September: 12h and 18min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Perry, TX
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in September
Perry, TX
- Average UV index in September: 6
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 3).
Average cloud cover in September
Perry, TX
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Perry, 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).
