Coffs Harbour Weather in September
Coffs Harbour in September averages 22°C (72°F) during the day and 13°C (55°F) at night. This is the driest month of the year.
Rainfall in Coffs Harbour in September
Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. You can expect rain on roughly 9 days based on historical data, averaging 49 mm (1.9 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Coffs Harbour in September
The temperature in Coffs Harbour in September is excellent. Daytime highs reach 22°C (72°F), with nights dropping to 13°C (55°F). Conditions are often most pleasant around the middle of the day. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Coffs Harbour in September
Enjoy a sunny month with about 261 hours of sunshine, the clear skies make Coffs Harbour even more beautiful.
Wind Speed in Coffs Harbour in September
Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in September
The water temperature is 19°C (66°F). It's not warm, but most people find it perfectly fine for a swim once they're in.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, August, September and October typically offer the best weather for Coffs Harbour.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Coffs Harbour's climate page.
Coffs Harbour Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
22°C (72°F)
Water Temperature
19°C (66°F)
Chance of Rain
31%
Precipitation
49 mm (1.9 in)
Rainy days
9 days
Humidity
56%
Windspeed
6 m/s (12 knots)
Sunshine
261 hours
Percentage Sunshine
73%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Coffs Harbour typically stay consistent throughout September, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°F).
Average temperatures in September
Daily Historical Precipitation
50-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 Coffs Harbour in September
Browse day-by-day weather records for Coffs Harbour spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Coffs Harbour historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Coffs Harbour.
- The hottest September day on record in Coffs Harbour reached 33°C (91°F) (September 24, 2017).
- The lowest daytime temperature in September was 15°C (59°F), recorded on September 14, 1988.
- Coffs Harbour registered its coldest September night on September 7, 1995, with temperatures dropping to 2°C (36°F).
Best Places in Australia in September
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in September →
perfect weather
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unpleasant
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What to Wear in Coffs Harbour 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 Coffs Harbour 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 Australia, check out our Coffs Harbour's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Coffs Harbour climate overview or explore weather in Australia.
