Castle Hill Weather in September

September in Castle Hill brings high temperatures, with daytime highs of 23°C (73°F) and nights around 10°C (50°F). The perfect weather makes it a solid choice for a visit.

Rainfall in Castle Hill in September

Analyzing past climate data, one can expect approximately 10 days of rain, averaging 44 mm (1.7 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Castle Hill in September

If you're visiting Castle Hill in September, expect perfect temperatures with highs of 23°C (73°F) and overnight lows of 10°C (50°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Castle Hill in September

The month enjoys around 234 hours of sunshine, creating mostly sunny days with good weather conditions.

If your ideal day consists of dry skies and pleasant temperatures, January, March, April, May, August, September, October, November and December typically offer the best circumstances for Castle Hill.

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 Castle Hill's climate page.

Castle Hill Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 33%  

Precipitation 44 mm (1.7 in)  

Rainy days 10 days  

Humidity 50% *  

Sunshine 234 hours *  

Percentage Sunshine 66% *  

* Data from: Sydney, Australia (29 KM, 18 Miles).

What to Wear in Castle Hill in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Castle Hill 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

5/10

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 Castle Hill's climate page.

More climate data for Castle Hill

Temperature Rainfall Sunshine Humidity

See the full Castle Hill climate overview or explore weather in Australia.