Thursday Island in September
September is right in the heart of spring for Thursday Island, and the weather has a definite personality this time of year.
The average daily maximum is 29.9 degrees with overnight lows of 24.0 degrees. The warmth sticks around even after dark.
September's temperature is very close to the annual average for Thursday Island.
Rainfall in September averages 18mm over about 5 days. That means roughly a 17% chance of rain on any given day, decent odds for a dry day.
Sunshine-wise, September delivers around 21.0 MJ/m2 of daily solar radiation. UV sits in the extreme category. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
The Comfort Score for September comes in at 6.8/10, solidly pleasant.
For your suitcase: t-shirts with a light layer for evenings, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare in September.
September at a Glance
Temperature Range
Daily temperature range in September. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How September in Thursday Island stacks up against major cities around the world.
About 10 degrees warmer and considerably drier.
About 4 degrees warmer and considerably drier.
About 3 degrees warmer and considerably drier.
How September Compares
Thursday Island's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.9 | 25.9 | 436mm | 3.5 |
| Feb | 30.1 | 25.5 | 291mm | 3.7 |
| Mar | 29.8 | 25.0 | 588mm | 3.3 |
| Apr | 30.0 | 25.5 | 204mm | 3.8 |
| May | 29.4 | 25.2 | 35mm | 5.7 |
| Jun | 29.2 | 23.6 | 12mm | 6.8 |
| Jul | 28.7 | 23.0 | 4mm | 7.6 |
| Aug | 29.6 | 23.3 | 4mm | 7.2 |
| Sep | 29.9 | 24.0 | 18mm | 6.8 |
| Oct | 31.2 | 24.8 | 10mm | 6.2 |
| Nov | 32.3 | 25.9 | 25mm | 5.0 |
| Dec | 31.2 | 25.6 | 195mm | 3.2 |