Weather in September in Houston, Texas

< September >
	Normal Max/ High Temperature	31°C (88°F)
	Average Temperature	26°C (78°F)
	Min/ Low Temperature	20°C (68°F)
	Normal Precipitation	124mm (4.9in)
	Number of Wet Days (probability of rain on a day)	9 (30%)
	Average Sunlight per day	08h 23'
	Average Daylight per day	12h 17'
	Sunny (Cloudy) Daylight Hours	69% (31%)
	Sun altitude at solar noon on the 21st day.	60.5°

• The average temperature in Houston, Texas in September is hot at 25.7 °C (78.26 °F).
• Afternoons can be very hot with average high temperatures reaching 31.3 °C (88.3 °F).
• Overnight temperatures are generally warm with an average low of 19.9 °C (67.8 °F).
• In September the variation/ range of daily average temperatures is 11.4 °C (20.5 °F).
• Precipitation averages for September are high with 124.2mm (4.9 in) recorded across 9 days.
• The blue above Houston, Texas is moderately sunny with on balance a respectable 8h 23' of resplendent sunshine daily.
• The shortest day is 11h 50' long and the longest day is 12h 44' long with an average length of 12h 17'.
• There are approximately 3h 46' per day when the sun is occluded by cloud, haze, fog etc.
• It is sunny approximately 68.9% of daylight hours and cloudy 31.1% of daylight hours.

Weather Trend Graph for September in Houston, Texas, Usa