Weather in September in Olympia, Wa

< September >
	Normal Max/ High Temperature	22°C (71°F)
	Average Temperature	14°C (58°F)
	Min/ Low Temperature	7°C (45°F)
	Normal Precipitation	57mm (2.3in)
	Average Daylight per day	12h 30'
	Sun altitude at solar noon on the 21st day.	43.5°

The average temperature in Olympia, Wa in September is mild at 14.4 °C (57.92 °F).
Afternoons can be really warm with average high temperatures reaching 21.7 °C (71.1 °F).
Overnight temperatures are generally a little cool with an average low of 7.1 °C (44.8 °F).
In September there is a range/ variation of mean daily temperatures of 14.6 °C (26.3 °F).
Precipitation averages for September are moderate with 57.4mm (2.3 in) recorded.
The shortest day is 11h 40' long and the longest day is 13h 19' long with an average length of 12h 30'.

Weather Trend Graph for September in Olympia, Wa, Usa

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