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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a hot 93.6°F (34.2°C) in August to a still tropical 86.4°F (30.2°C). During September, Sonora observes a consistent average nighttime temperature of 68.9°F (20.5°C).Heat index
Throughout September, the heat index is appraised at a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
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
April through October are months without snowfall.Daylight
In Sonora, 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 Sonora, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Sonora is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is September in Sonora?
What is the average humidity in September in Sonora?
How many days does it rain in September in Sonora?
When it does not snow in Sonora?
What is the average length of the day in September in Sonora?
When is the sunrise / sunset in September in Sonora?
How many hours of sunshine does Sonora have in September?
How high is the UV index in September in Sonora?
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 2min
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 5min
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).
Sonora, Texas, USA
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