September weather forecastPerrin, TX
September
Weather in September
September, the first month of the autumn in Perrin, is also a hot month, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 86.9°F (30.5°C).Temperature
With the onset of September, Perrin's climate undergoes a slight change as the average high-temperature moves from a fiery hot 95.7°F (35.4°C) in August to a hot 86.9°F (30.5°C). During the month of September, Perrin's nighttime temperature lowers to an average of 68.2°F (20.1°C).Heat index
The average heat index in September is appraised at a tropical 93.2°F (34°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Perrin, the average relative humidity in September is 62%.Rainfall
In Perrin, during September, the rain falls for 12.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 113.5 rainfall days, and 18.74" (476mm) of precipitation is accumulated.Snowfall
In Perrin, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:56 pm. On the last day of September, in Perrin, sunrise is at 7:26 am and sunset at 7:17 pm CDT.
Sunshine
In Perrin, Texas, the average sunshine in September is 8.6h.UV index
In Perrin, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perrin, TX
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in September: 68.2°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in September
Perrin, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Perrin, TX
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in September
Perrin, TX
- Average humidity in September: 62%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Perrin, TX
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Perrin, TX
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Perrin, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Perrin, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Perrin, TX
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in September
Perrin, TX
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (15 days).
Average UV index in September
Perrin, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Perrin, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Perrin, 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).
