Climate guide for Siargao, Philippines

Siargao in September

Weather, crowds & best time to visit

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September · Philippines

Best time to visit Siargao in September Weather, crowds & prices

Weather in Siargao in September

Average temperature 28°C, 168 mm of rain, about 27 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.0/10

Ranked #1 of 12 months

Full year for Siargao
Avg temp
28°C
Rainfall
168 mm
Humidity
81%
Days with 6h+ sun
27
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

September in Siargao scores 7.0/10 for beach and coastal travel - the single best month of the year. Expect around 28°C, 168 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Siargao's Cloud 9 break, lagoon pools and palm-lined roads made it the Philippines' surf capital.

September in Siargao — the year's strongest window

September averages 28°C (82°F) and humidity near 81%, so the practical pattern is early mornings, a long midday break, and evenings back outside.

Monthly rainfall reaches 168 mm — wet for this destination — but about 27 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

On our climate-comfort scale this is the top-ranked month of the year for Siargao at 7/10 — the reference point every other month on this page is measured against.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Siargao in September?
In September, Siargao averages 28°C, 168 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 7.0/10.
Is September a good time to visit Siargao?
September earns a 7.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Siargao in September?
Expect about 168 mm of rain in September. Average humidity is 81% and there are about 27 days with 6+ hours of sunshine.

Curated in Siargao

Tickets & experiences

Things to do in Siargao

Siargao, Philippines. Live activities and tours from GetYourGuide, matched to this destination.