Norfolk Island Weather in September
Norfolk Island in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 17°C (63°F). Rainfall is fairly high at around 62 mm (2.4 in) on average, so pack waterproofs just in case.
Rainfall in Norfolk Island in September
On average, there are about 14 days with rain during this month, averaging 62 mm (2.4 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Norfolk Island in September
September in Norfolk Island is generally perfect, with days reaching 20°C (68°F) and nights settling around 17°C (63°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Norfolk Island in September
Enjoy a sunny month with about 245 hours of sunshine, the clear skies make Norfolk Island even more beautiful.
Average water temperature in September
At 19°C (66°F), the water is getting there — comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Norfolk Island.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norfolk Island, check out our Norfolk Island's climate page.
Norfolk Island Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
20°C (68°F)
Water Temperature
19°C (66°F)
Chance of Rain
45%
Precipitation
62 mm (2.4 in)
Rainy days
14 days
Humidity
71%
Sunshine
245 hours
Percentage Sunshine
67%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Norfolk Island typically stay consistent throughout September, with daily highs averaging around 20°C (68°F). Nights are pleasant, with lows around 15°C (59°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Norfolk Island in September
Browse day-by-day weather records for Norfolk Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Norfolk Island historical weather extremes in September
Based on 26 years of weather observations (1999-2025), these are the most extreme conditions recorded in Norfolk Island.
- Norfolk Island recorded its highest September temperature of 23°C (73°F) on September 30, 2010.
- Norfolk Island experienced its chilliest September day on September 9, 2016, reaching only 16°C (61°F).
- Norfolk Island registered its coldest September night on September 27, 2018, with temperatures dropping to 11°C (52°F).
Best Places in Norfolk Island in September
Find out more about the weather in Norfolk Island and which places have the best travel conditions in this month. See all of Norfolk Island in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Norfolk Island in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 19°C (66°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Norfolk Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Norfolk Island, check out our Norfolk Island's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Norfolk Island climate overview or explore weather in Norfolk Island.
