Norfolk Island in September
September is right in the heart of spring for Norfolk Island, and the weather has a definite personality this time of year.
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.
At 18.8 degrees, September sits 2.0 degrees below the annual average of 20.8 degrees.
The rain data says 56mm over 12 days. Nothing dramatic.
Solar exposure averages 18.2 MJ/m2 per day in September, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
At 5.9/10 on the Comfort Score, September is middle of the road.
Packing tip: bring layers you can peel on and off, and serious sun protection.
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
- A jumper or light cardigan for flexibility
- 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 |