Temperature
Warm by day, warm at night.
83°Ftypical September high
Typical range
September climate
September in Philipsburg
Sint Maarten · Caribbean
Warm days and some sun. Humid air is the main drawback.
Some tradeoffs
Daytime high
83°F
Lows around 80°F
Rain
Frequent rain
Sun
11 h/day
Air feel
Very humid
Sea temp
84°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 17 wet days, the highest monthly average.
57%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
11.1 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
55%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 85° and nights feel near 84°.
ComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
42%September Clear sky
Clear skyCloud
Wind pattern
September's typical breeze keeps the air from feeling as stagnant.
13 mphSeptember Breezy
Sea temperature
84°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September stays around 82°F through the day and night, with little temperature relief.
Avg temp Typical range
Morning82°F
Feels 84°F
Rain26%
Cloud56%
Humid airVery high
Sun intensityModerate
Midday82°F
Feels 85°F
Rain24%
Cloud56%
Humid airVery high
Sun intensityStrong
Late afternoon82°F
Feels 85°F
Rain25%
Cloud59%
Humid airVery high
Sun intensityModerate
Early evening82°F
Feels 85°F
Rain30%
Cloud60%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 78 | 76 | 1.2 | 10 | 10.8 | 77 | 80 |
| Feb | 78 | 76 | 1.0 | 8 | 11.0 | 76 | 79 |
| Mar | 78 | 76 | 0.9 | 7 | 11.3 | 76 | 79 |
| Apr | 79 | 76 | 1.4 | 9 | 11.8 | 78 | 80 |
| May | 80 | 78 | 2.3 | 12 | 11.6 | 80 | 81 |
| Jun | 82 | 79 | 2.0 | 11 | 12.2 | 80 | 83 |
| Jul | 82 | 80 | 3.0 | 16 | 12.1 | 81 | 83 |
| Aug | 83 | 80 | 3.6 | 16 | 11.7 | 81 | 84 |
| Sep | 83 | 80 | 4.5 | 17 | 11.1 | 81 | 84 |
| Oct | 82 | 80 | 5.5 | 17 | 10.7 | 81 | 84 |
| Nov | 81 | 78 | 4.3 | 15 | 10.3 | 80 | 83 |
| Dec | 80 | 77 | 1.9 | 12 | 10.3 | 78 | 82 |
Similar climates
Similar
Similar travel styleBridgetownBarbadosSimilar travel styleGrand TurkTurks and Caicos IslandsSimilar travel styleSt. LuciaSaint LuciaSimilar travel styleHavanaCuba
Want a side-by-side climate view? Compare Philipsburg with Bridgetown.
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: Aug 16, 2026
Data & methodology