Nadi, Fiji weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: May – October
What is the weather like in Nadi, Fiji in September?
In September, Nadi, Fiji is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 26.5 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 76 mm in total. The air is often humid and muggy. All in all, September is an excellent month for a holiday in Nadi, Fiji.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 89 | 85 | 78 |
| Day | 27° | 28° | 28° |
| Night | 21° | 21° | 22° |
| Sea | 26° | 27° | 27° |
| Sun | 7 h | 7 h | 7 h |
| Rain days | 7 | 9 | 15 |
More details for September
- Daylight
- 11 h 58 min06:06 – 18:05
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 22 daysdew point 18 °C or more
- Wind
- 13 km/haverage daily peak
- Cloud cover
- 54 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC+12Pacific/Fiji
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 20 %62 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Nadi, Fiji in September: quick answers
Is Nadi, Fiji hot in September?
Yes. In September, Nadi, Fiji is hot: daytime highs average 28 °C and nights stay around 21 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Nadi, Fiji in September?
Yes. In September the sea averages 26.5 °C – lovely and warm for swimming.
Does it rain much in Nadi, Fiji in September?
Rain is frequent, with about 9 rainy days and 76 mm in total.
Nadi, Fiji month by month
The whole year in Nadi, FijiAll destinations: FijiWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)