Exmouth in September
So, what's Exmouth actually like in September? In a word: balmy. It's spring, and the days are averaging 30.0 degrees.
Daytime highs average 30.0 degrees, dropping to 20.2 degrees overnight. That's a 10-degree swing between day and night. Warm days and warm nights. It doesn't cool down much, even after sunset.
September is 1.5 degrees cooler than Exmouth's yearly average.
Rainfall in September averages 51mm over about 2 days. That means roughly a 7% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, September delivers around 22.7 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.
September scores a respectable 6.8/10 for overall comfort.
Packing tip: bring a mix of short and long sleeves, and SPF 50+ sunscreen and a hat.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- Light, breathable clothing and a wide-brimmed hat
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How September in Exmouth stacks up against major cities around the world.
About 10 degrees warmer and considerably wetter.
About 4 degrees warmer and considerably drier.
About 3 degrees warmer and considerably drier.
How September Compares
Exmouth's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 35.6 | 22.9 | 0mm | 3.1 |
| Feb | 36.3 | 25.3 | 9mm | 2.0 |
| Mar | 34.9 | 25.8 | 6mm | 3.7 |
| Apr | 32.6 | 23.7 | 8mm | 5.2 |
| May | 29.2 | 20.3 | 4mm | 7.2 |
| Jun | 24.9 | 18.8 | 57mm | 9.2 |
| Jul | 24.7 | 16.9 | 3mm | 10.0 |
| Aug | 26.4 | 17.5 | 3mm | 9.4 |
| Sep | 30.0 | 20.2 | 51mm | 6.8 |
| Oct | 32.8 | 20.4 | 0mm | 5.3 |
| Nov | 33.6 | 22.0 | 1mm | 4.7 |
| Dec | 36.4 | 25.0 | 15mm | 1.9 |