September weather forecastCactus, TX
September
Weather in September
September, the first month of the autumn in Cactus, is also a moderately hot month, with an average temperature varying between 83.5°F (28.6°C) and 62.2°F (16.8°C).Temperature
Cactus's transition into September involves a gentle shift in temperature, receding from a tropical 91°F (32.8°C) in August to a warm 83.5°F (28.6°C). Throughout the month of September, Cactus witnesses an average temperature of 62.2°F (16.8°C).Heat index
The heat index value for September is calculated to be 84.2°F (29°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Observations indicate that the heat index values are for shady locations with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In Cactus, the average relative humidity in September is 52%.Rainfall
In Cactus, during September, the rain falls for 10.5 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Cactus, during the entire year, the rain falls for 87.3 days and collects up to 13.03" (331mm) of precipitation.Snowfall
May through September are months without snowfall in Cactus, Texas.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:20 am and sunset at 8:15 pm. On the last day of September, in Cactus, sunrise is at 7:42 am and sunset at 7:32 pm CDT.
Sunshine
In Cactus, Texas, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Cactus, Texas, is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cactus, TX
- Average high temperature in September: 83.5°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (48°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in September
Cactus, TX
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Cactus, TX
- Average wind speed in September: 11.9mph
The windiest month (with the highest average wind speed) is April (13.7mph).
The calmest month (with the lowest average wind speed) is August (10.7mph).
Average humidity in September
Cactus, TX
- Average humidity in September: 52%
The month with the highest relative humidity is December (56%).
The month with the lowest relative humidity is April (42%).
Average rainfall in September
Cactus, TX
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
Cactus, TX
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Cactus, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cactus, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Cactus, 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 48min).
- 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
Cactus, TX
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is August (13.9 days).
Average UV index in September
Cactus, TX
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Cactus, TX
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 25).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in September
Cactus, 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).





