Olympia Weather in September

During September, Olympia experiences high daytime temperatures of 28°C (82°F) and cooler nights around 18°C (64°F). Some rainfall is typical during this period.

Rainfall in Olympia in September

You can typically expect 3 days of rain this month, averaging around 58 mm (2.3 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Olympia in September

September is a excellent month in Olympia, with 28°C (82°F) during the day and 18°C (64°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Olympia in September

The city usually sees around 281 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Olympia.