Temperature
Pleasant by day, warm at night.
76°Ftypical September high
Typical range
September climate
September in Vava'u
Tonga · Oceania
Warm coastal days. Wind on exposed beaches is the main drawback.
One of the best months here
Daytime high
76°F
Lows around 74°F
Rain
Several rainy days
Sun
4.5 h/day
Air feel
Humid
Sea temp
79°F
Great for swimming
Wind
17 mph
Windy
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 10 wet days, fewer than in most months.
33%wet-day frequency
AmountWet-day chance
Sunshine
Sunshine is limited, with cloud often dominating.
4.4 hSeptember sunshine
Heat & humidity by month
Humid air and frequent rain shape this month.
79%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 73° and nights feel near 72°.
ComfortableWarmNight hours
Clear sky
Partly cloudy skies this month.
43%September Clear sky
Clear skyCloud
Steady wind
September's steady trade-wind breeze keeps the air from feeling as stagnant.
17 mphSeptember Windy
Sea temperature
79°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September stays around 76°F through the day and night.
Avg temp Typical range
Morning75°F
Rain18%
Cloud58%
Humid airHigh
Sun intensityModerate
Best windowMidday76°F
Rain18%
Cloud55%
Humid airHigh
Sun intensityStrong
Late afternoon76°F
Rain18%
Cloud55%
Humid airHigh
Sun intensityModerate
Early evening76°F
Rain21%
Cloud57%
Humid airHigh
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 81 | 79 | 10.7 | 20 | 3.6 | 82 | 83 |
| Feb | 82 | 79 | 10.3 | 20 | 3.6 | 82 | 84 |
| Mar | 82 | 79 | 8.9 | 21 | 3.7 | 82 | 84 |
| Apr | 81 | 79 | 7.4 | 17 | 3.9 | 80 | 83 |
| May | 79 | 77 | 4.8 | 14 | 4.1 | 78 | 82 |
| Jun | 78 | 76 | 3.8 | 10 | 4.0 | 76 | 80 |
| Jul | 76 | 74 | 2.6 | 8 | 4.3 | 75 | 79 |
| Aug | 76 | 74 | 3.2 | 9 | 4.3 | 76 | 79 |
| Sep | 76 | 74 | 3.6 | 10 | 4.4 | 78 | 79 |
| Oct | 77 | 75 | 4.6 | 12 | 4.4 | 79 | 80 |
| Nov | 79 | 77 | 5.1 | 14 | 4.1 | 80 | 81 |
| Dec | 80 | 78 | 7.0 | 18 | 3.9 | 81 | 82 |
Similar climates
Similar
Similar travel styleMooreaFrench PolynesiaSimilar travel stylePort DenarauFijiSimilar travel styleSt. LuciaSaint LuciaSimilar travel styleWhitsundaysAustralia
Want a side-by-side climate view? Compare Vava'u with Moorea.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology