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Weather in September in Grand Coteau, La

< September >
	Normal Max/ High Temperature	31°C (88°F)
	Average Temperature	25°C (78°F)
	Min/ Low Temperature	20°C (67°F)
	Normal Precipitation	125mm (4.9in)
	Average Daylight per day	12h 18'
	Sun altitude at solar noon on the 21st day.	60.5°

The average temperature in Grand Coteau, La in September is fairly hot at 25.4 °C (77.72 °F).
Afternoons can be very hot with average high temperatures reaching 31.1 °C (88 °F).
Overnight temperatures are generally warm with an average low of 19.6 °C (67.3 °F).
In September the average diurnal temperature variation/ range is 11.5 °C (20.7 °F).
Precipitation averages for September are high with 124.7mm (4.9 in) recorded.
The shortest day is 11h 51' long and the longest day is 12h 45' long with an average length of 12h 18'.

Weather Trend Graph for September in Grand Coteau, La, Usa

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