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 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
Missouri City in September undergoes a slight reduction in the average high-temperature, shifting from August's hot 93.7°F (34.3°C) to a still tropical 88°F (31.1°C). Throughout September nights, Missouri City registers an average low-temperature of 72.5°F (22.5°C).Heat index
The average heat index in September is calculated to be an extremely hot 104°F (40°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In September, the average relative humidity is 76%.Rainfall
In Missouri City, in September, during 11.7 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Missouri City, during the entire year, the rain falls for 99.3 days and collects up to 7.05" (179mm) of precipitation.Snowfall
February through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:08 pm CDT.
Sunshine
In Missouri City, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 6 in September transforms into this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Missouri City?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Missouri City have in September?
What is the UV index intensity in September?
Average temperature in September
Missouri City, TX
- Average high temperature in September: 88°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in September: 72.5°F
The month with the highest average low temperature is August (76.8°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in September
Missouri City, 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
Missouri City, TX
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).
Average humidity in September
Missouri City, TX
- Average humidity in September: 76%
The months with the highest relative humidity are February and March (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Missouri City, TX
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is March (0.24").
Average rainfall days in September
Missouri City, TX
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (12.1 days).
The month with the least rainy days is January (5.2 days).
Average snowfall days in September
Missouri City, TX
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Missouri City, TX
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Missouri City, TX
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in September
Missouri City, 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
Missouri City, TX
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and October (Cloud cover 29).
Average visibility in September
Missouri City, 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).
Missouri City, Texas, USA
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