Treasure Island Weather in September

Treasure Island in September sees high daytime temperatures of 27°C (81°F) and nighttime lows of 23°C (73°F). Rainfall is fairly high this month at around 82 mm (3.2 in), so pack a rain jacket to stay dry.

Rainfall in Treasure Island in September

Typically, about 17 days will experience rainfall, with an average of 82 mm (3.2 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Treasure Island in September

September is a perfect month in Treasure Island, with 27°C (81°F) during the day and 23°C (73°F) at night. This kind of day-to-night contrast is typical for this time of year. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Treasure Island in September

Expect a lot of sunshine this month, with about 215 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Treasure Island in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

The water is 25°C (77°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Fiji, check out our Treasure Island's climate page.

Treasure Island Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 27°C (81°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 56%  

Precipitation 82 mm (3.2 in)  

Rainy days 17 days  

Humidity 76% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 215 hours *  

Percentage Sunshine *  

* Data from: Nadi, Fiji (22 KM, 13 Miles).

What to Wear in Treasure Island in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 25°C (77°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Treasure Island in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Fiji, check out our Treasure Island's climate page.

More climate data for Treasure Island

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Treasure Island climate overview or explore weather in Fiji.