September weather forecastRiver Oaks, TX
September
Weather in September
September, the first month of the autumn in River Oaks, is also a hot month, with an average temperature ranging between min 69.3°F (20.7°C) and max 87.3°F (30.7°C).Temperature
In River Oaks, entering September brings a subtle temperature decrement, reducing from August's very hot 95.5°F (35.3°C) to a tropical 87.3°F (30.7°C). River Oaks's average low-temperature is measured at a pleasant 69.3°F (20.7°C) during September.Heat index
September's heat index is calculated to be a very hot 95°F (35°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The average relative humidity in September in River Oaks is 64%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 128.8 rainfall days, and 27.8" (706mm) of precipitation is accumulated.Snowfall
In River Oaks, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 7:04 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:15 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in River Oaks is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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
River Oaks, TX
- Average high temperature in September: 87.3°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in September: 69.3°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in September
River Oaks, TX
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
River Oaks, TX
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in September
River Oaks, TX
- Average humidity in September: 64%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
River Oaks, TX
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is October (3.7").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
River Oaks, TX
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
River Oaks, TX
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
River Oaks, TX
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
River Oaks, 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 24min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
River Oaks, TX
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in September
River Oaks, TX
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
River Oaks, TX
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
River Oaks, 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).
