September weather forecastSonora, TX
September
Weather in September
September, the first month of the autumn in Sonora, is still a tropical month, with temperature in the range of an average high of 86.4°F (30.2°C) and an average low of 68.9°F (20.5°C).Temperature
September's onset brings a negligible change in high-temperatures, falling from a hot 93.6°F (34.2°C) in August to a still tropical 86.4°F (30.2°C). Sonora's nights in September experience an average temperature drop to a pleasant 68.9°F (20.5°C).Heat index
The average heat index in September is computed to be a tropical 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.It is essential to grasp that the heat index's numbers are for shade and light wind settings. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 60%.Rainfall
In Sonora, in September, it is raining for 12.9 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 101.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.Snowfall
In Sonora, snow does not fall in April through October.Daylight
In Sonora, Texas, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 7:19 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:28 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Sonora, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sonora, TX
- Average high temperature in September: 86.4°F
The warmest month (with the highest average high temperature) is August (93.6°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in September: 68.9°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in September
Sonora, TX
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in September
Sonora, TX
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is September (9.9mph).
Average humidity in September
Sonora, TX
- Average humidity in September: 60%
The month with the highest relative humidity is November (62%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Sonora, TX
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.32").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in September
Sonora, TX
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Sonora, TX
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Sonora, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 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
Sonora, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in September
Sonora, TX
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (25 days).
The month with the least sunshine days is September (14.9 days).
Average UV index in September
Sonora, TX
- Average UV index in September: 6
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 3).
Average cloud cover in September
Sonora, TX
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Sonora, 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).
