Norfolk Island in September
If September is your window for visiting Norfolk Island, here's what the climate data says you can expect.
Expect the mercury to hit around 18.8 degrees during the day and settle at 17.4 degrees after dark. The temperature stays pretty consistent through the day. It's cool but manageable. A jumper handles most of it.
September is 2.0 degrees cooler than Norfolk Island's yearly average.
The rain data says 56mm over 12 days. Light enough that it won't ruin your plans.
Sunshine-wise, September delivers around 18.2 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
The Comfort Score is 5.9/10 for September. It's fine, but not the highlight of the calendar.
Packing tip: bring layers you can peel on and off, and serious sun protection.
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
- Layered clothing for mild to cool conditions
- A waterproof jacket or compact umbrella
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How September in Norfolk Island stacks up against major cities around the world.
About 1 degrees cooler and considerably wetter.
About 7 degrees cooler and considerably drier.
About 8 degrees cooler and considerably drier.
How September Compares
Norfolk Island's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 23.5 | 22.2 | 70mm | 9.1 |
| Feb | 23.8 | 22.5 | 10mm | 10.0 |
| Mar | 23.0 | 21.3 | 23mm | 9.7 |
| Apr | 22.3 | 20.7 | 114mm | 7.9 |
| May | 20.0 | 18.4 | 38mm | 6.6 |
| Jun | 19.7 | 18.0 | 154mm | 5.1 |
| Jul | 18.5 | 16.7 | 109mm | 4.5 |
| Aug | 18.3 | 17.0 | 29mm | 5.6 |
| Sep | 18.8 | 17.4 | 56mm | 5.9 |
| Oct | 19.2 | 17.8 | 26mm | 7.1 |
| Nov | 20.4 | 19.1 | 26mm | 8.0 |
| Dec | 22.4 | 21.0 | 37mm | 9.2 |