Whyalla in September

8.4out of 10

Yes, a good time to go

Warm and comfortable: highs around 22°C. Some rain: about 5 rainy days.

22°CAvg high
9°CAvg low
5Rainy days (27 mm)
11:48 hDaylight
06:20Sunrise · 18:08 Sunset

Why this score

  • Warm and comfortable: highs around 22°C
  • Some rain: about 5 rainy days

What to wear and pack

  • T-shirts and light layers
  • A light jacket for cooler evenings

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

31° 19° J 31° 18° F 28° 16° M 25° 13° A 20° 10° M 17° 8° J 17° 7° J 19° 7° A 22° 9° S 25° 12° O 28° 15° N 30° 17° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C19°C21 mm 3– – 8.1
February 31°C18°C23 mm 2– – 8.2
March 28°C16°C13 mm 2– – 8.8
April 25°C13°C19 mm 3– – 8.7
May 20°C10°C19 mm 4– – 8.3
June 17°C8°C25 mm 5– – 7.7
July 17°C7°C19 mm 5– – 7.7
August 19°C7°C20 mm 5– – 7.9
September 22°C9°C27 mm 5– – 8.4
October 25°C12°C22 mm 4– – 8.6
November 28°C15°C24 mm 4– – 8.6
December 30°C17°C29 mm 4– – 8.4

Frequently asked questions

How hot is Whyalla in September?

Daytime highs average 22°C and nights about 9°C.

When is the best time to visit Whyalla?

The best months are March, April, October, November.