September weather forecastChannelview, TX
September
Weather in September
September, the first month of the autumn in Channelview, is still a hot month, with temperature in the range of an average low of 73.8°F (23.2°C) and an average high of 87.8°F (31°C).Temperature
An average high-temperature of a still hot 87.8°F (31°C) marks September, exhibiting a close resemblance to the conditions in August. In Channelview, an average temperature of 73.8°F (23.2°C) is noted during September nights.Heat index
The heat index value during September is estimated at a fiery hot 102.2°F (39°C). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for 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.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In Channelview, the average relative humidity in September is 75%.Rainfall
The month with the most rainfall is September, when the rain falls for 18.5 days and typically aggregates up to 4.92" (125mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
In Channelview, the average length of the day in September is 12h and 20min.On the first day of September in Channelview, Texas, sunrise is at 6:58 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:06 pm CDT.
Sunshine
In Channelview, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Channelview is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Channelview, TX
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in September: 73.8°F
The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is January (46.6°F).
Average pressure in September
Channelview, 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 (29.93"Hg).
Average wind speed in September
Channelview, TX
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in September
Channelview, TX
- Average humidity in September: 75%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in September
Channelview, TX
- Average rainfall in September: 4.92"
The wettest month (with the highest rainfall) is September (4.92").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in September
Channelview, TX
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is September (18.5 days).
The month with the least rainy days is November (12.5 days).
Average snowfall in September
Channelview, TX
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Channelview, TX
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Channelview, TX
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Channelview, TX
- Average sunshine days in September: 9 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is September (9 days).
Average UV index in September
Channelview, 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 3).
Average cloud cover in September
Channelview, TX
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Channelview, 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).





