Royal National Park
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Royal National Park Weather in September

September in Royal National Park brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 12°C (54°F). It's also the driest month of the year, ideal for those who want to avoid rain.

Rainfall in Royal National Park in September

With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Historically, September sees about 10 days of rain, with a monthly average of 50 mm (2 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Royal National Park in September

Royal National Park in September is worth a visit. The temperature is excellent, with 20°C (68°F) during the day and 12°C (54°F) at night. Conditions are often most pleasant around the middle of the day. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Royal National Park in September

There are approximately 234 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Royal National Park in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, March, April, May, September, October, November and December typically offer the best weather for Royal National Park.

Royal National Park Temperature in September

Min Temperature
12°C (54°F)
Max Temperature
20°C (68°F)
Water Temperature
17°C (63°F) *
Chance of Rain
34%
Precipitation
50 mm (2 in)
Rainy days
10 days
Humidity
50% *
Windspeed
3 m/s (6 knots) *
Sunshine
234 hours *
Percentage Sunshine
66% *
* Data from: Sydney, Australia (17 KM, 10 Miles).

Royal National Park Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Royal National Park - and find the best time to visit.

Best Places in Australia in September

Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Royal National Park 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. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Royal National Park 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

Royal National Park 3-Day Forecast

More climate data for Royal National Park

Popular in September

Where to go in September - average daytime high across popular destinations.

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