Hornsby Weather in September

During September, Hornsby experiences pleasant daytime temperatures of 22°C (72°F) and cooler nights around 11°C (52°F). Some rainfall is typical during this period.

Rainfall in Hornsby in September

The climate data from previous years indicates about 10 days of rain, averaging 49 mm (1.9 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Hornsby in September

September is a perfect month in Hornsby, with 22°C (72°F) during the day and 11°C (52°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Hornsby in September

Enjoy a sunny month with about 234 hours of sunshine, the clear skies make Hornsby even more beautiful.

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

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Hornsby's climate page.

Hornsby Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 33%  

Precipitation 49 mm (1.9 in)  

Rainy days 10 days  

Humidity 50% *  

Sunshine 234 hours *  

Percentage Sunshine 66% *  

* Data from: Sydney, Australia (28 KM, 17 Miles).

What to Wear in Hornsby in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Hornsby in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Hornsby's climate page.

More climate data for Hornsby

Temperature Rainfall Sunshine Humidity

See the full Hornsby climate overview or explore weather in Australia.