Weather in Vaitape in September

Prime time. If you get to pick your dates, September is the one. Highs average 26.4 °C, lows 25.6 °C, and rain falls on 9 days — nothing in the month is working against you.

September ranks 2 of 12 in Vaitape. Only August scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 9 days, 0 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average September reaches 30 °C; the day barely swings — 0.8 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest September day reached 28 °C and the coldest night fell to 23.2 °C.

September is moderately variable: 8 mm in the driest year against 75 mm in the wettest, around an average of 34 mm. Roughly two Septembers in three land near that average, and the third does something else entirely.

Wind sits around 19.3 km/h — a steady breeze rather than a nuisance, and welcome on the warmer days, and humidity runs at 78%, high enough to notice on the warm days without dominating them.

How September sits in the year

Temperatures hold steady either side: 26.2 °C in August, 26.4 here, 26.7 in October. Nothing about the timing within the month matters much. Rain is the thing that moves: October brings 5 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in September

12 hours of daylight, gaining 0.5 hours across the month. That is between Vaitape's extremes of 13.1 and 11.1 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 27 °C in September — warm enough that the water offers no relief from the heat. The sea peaks at 29.1 °C in March and bottoms out at 27 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead. If the dates are flexible, October is the trade worth considering — 11 points weaker on weather, and materially quieter.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

September in Vaitape versus nearby

If Vaitape is one option among several, the nearby comparison is worth making. Faaa is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Avarua is the weaker option in September — 2.6 °C cooler, 5 days more rain.

So: September is effectively as good as it gets here — 0 points behind August, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Vaitape

See all twelve months in Vaitape, or where else to go in September.