Thornlie Weather in September

In Thornlie, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.

Rainfall in Thornlie in September

Typically around 11 days of rainfall are expected, averaging 67 mm (2.6 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Thornlie in September

The temperature in Thornlie in September is excellent. Daytime highs reach 20°C (68°F), with nights dropping to 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Thornlie in September

The month enjoys around 230 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Thornlie in September

Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in September

The water is 17°C (63°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

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