September is a tough month at American Samoa — it ranks 10th of the twelve here. Expect about 22% fewer visitors than April, the park's peak — 2,435 visits on average. Days run around 86°F by afternoon and 78°F at night, with 12 hours of daylight.
September against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| September (this page) | Tough | 2,435 | −22% | 86°F | 78°F | 0" | 12 h |
| August (best) | Good | 734 | −76% | 85°F | 77°F | 0" | 11.6 h |
| April (peak crowds) | Tough | 3,114 | peak | 88°F | 78°F | 0" | 11.8 h |
Weather figures are for the Pago Pago area — the Pago Pago WSO AP station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is September a good time to visit American Samoa?
It is the tough season — doable with preparation, but the numbers say most people should pick another month. September ranks 10 of 12 at American Samoa on crowds, weather, daylight, and access together.
How crowded is American Samoa in September?
About 2,435 recreation visits on average — 22% below April, the park's peak.
How warm is American Samoa in September?
Average highs around 86°F and lows around 78°F at the Pago Pago WSO AP station.
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