Explore the Yasawa Islands
The Yasawa islands are known for their tropical beautiful beaches and the picturesque atmosphere. You might want to cross it of your bucket list.
Thinking of visiting Nadi in September? Expect high temperatures reaching 28°C (82°F) during the day, dropping to 21°C (70°F) at night, and note that quite a bit of rainfall is likely.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Pick a month to see the average temperature, rainfall and sunshine in Nadi - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Nadi typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Nadi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Nadi from 1976 through 2025.
Find out more about the weather in Fiji and which places have the best travel conditions in this month. See all of Fiji in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 25°C (77°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Nadi climate overview or explore weather in Fiji.
Where to go in September - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Explore the Yasawa Islands
The Yasawa islands are known for their tropical beautiful beaches and the picturesque atmosphere. You might want to cross it of your bucket list.
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