Temperature
Warm by day, warm at night.
81°Ftypical September high
Typical range
September climate
September in Ko Phi Phi
Thailand · Southeast Asia
Typhoon risk near peak and humid air are the main limitations.
Wet but workable
Daytime high
81°F
Lows around 78°F
Rain
Rain most days
Sun
9 h/day
Air feel
Very humid
Sea temp
85°F
Great for swimming
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, with a mix of brief and longer spells. About 24 wet days, more than in most months.
81%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
9.2 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
97%September Heat feel
Easy airWarm airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 83° and nights feel near 82°.
WarmHotNight hours
Clear sky
Overcast skies this month.
13%September Clear sky
Clear skyCloud
Wind pattern
September's typical breeze keeps the air from feeling as stagnant.
11 mphSeptember Breezy
Sea temperature
85°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September stays around 80°F through the day and night.
Avg temp Typical range
Morning79°F
Feels 83°F
Rain53%
Cloud86%
Humid airVery high
Sun intensityModerate
Midday80°F
Feels 83°F
Rain49%
Cloud85%
Humid airVery high
Sun intensityStrong
Late afternoon80°F
Feels 83°F
Rain43%
Cloud85%
Humid airVery high
Sun intensityModerate
Early evening80°F
Feels 83°F
Rain42%
Cloud86%
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 | 82 | 76 | 1.9 | 7 | 10.5 | 77 | 83 |
| Feb | 82 | 77 | 1.0 | 4 | 10.9 | 75 | 83 |
| Mar | 83 | 78 | 2.7 | 10 | 10.8 | 77 | 85 |
| Apr | 83 | 79 | 5.6 | 20 | 10.7 | 80 | 86 |
| May | 83 | 79 | 9.9 | 24 | 10.1 | 81 | 86 |
| Jun | 82 | 79 | 8.9 | 22 | 10.0 | 81 | 85 |
| Jul | 82 | 78 | 8.8 | 22 | 9.8 | 81 | 85 |
| Aug | 82 | 78 | 9.6 | 23 | 9.7 | 81 | 85 |
| Sep | 81 | 78 | 11.4 | 24 | 9.2 | 82 | 85 |
| Oct | 81 | 77 | 12.1 | 28 | 8.8 | 83 | 84 |
| Nov | 81 | 77 | 9.0 | 23 | 8.9 | 82 | 84 |
| Dec | 81 | 77 | 3.9 | 13 | 9.7 | 80 | 83 |
Similar climates
Similar
Similar travel styleGili IslandsIndonesiaSimilar travel styleKoh TaoThailandSimilar travel styleMaafushiMaldivesSimilar travel styleBaliIndonesia
Want a side-by-side climate view? Compare Ko Phi Phi with Gili Islands.
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 22, 2026
Data & methodology