SeasonMapKo Lipe (Koh Lipe) weather in September
Thailand
September in Ko Lipe: sweltering, soaked, with clean air — fine if you can take 22 rainy days.
#10 of 12 months in Ko Lipe · #984 of 1383 destinations to visit in September · comfort 67/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ko Lipe in September
Other months in Ko Lipe
Ko Lipe's forum calls January hot, sunny and one of the driest stretches of the year, with humidity at its lowest point. Regulars note the wind picks up from the northeast this time of year — worth knowing when picking a beach, since the western side tends to stay calmer and better suited to families.
Add your own note from Ko Lipe's card on the map.
Ko Lipe climate normals — September
| Daytime high | 28°C / 83°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 34°C / 93°F | |
| Sea temperature | 30°C / 87°F | ♨️ bath-warm |
| Rainfall | 240 mm / 9.4 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9 h/day | |
| Daylight | 12.2 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Ko Lipe in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quietschool holidays in 3 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Ko Lipe's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherKo Lipe's weather peaks January–March, best around February.
Best weatherFair weatherToughest weather
What's on in Ko Lipe in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Southwest monsoon
15 May – 15 Oct · usuallyRiskSwell on the west-facing beaches and days when nothing crosses from the mainland at all. The handful of places that stay open charge a third of the high-season rate.
- Closure
Tarutao marine park closed
16 May – 15 OctThe park shuts its islands for the monsoon every year. Ko Lipe itself is exempt and stays open, but the snorkelling stops, the speedboats thin to a weather-dependent service, and most resorts close. Source ↗
- Season
Wet season
MonsoonRisk22 rainy days and about 240 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Nearby, and something's on
Within 300 km of Ko Lipe — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Ko Lipe?
Ko Lipe in September — FAQ
- Is September a good time to visit Ko Lipe?
- September in Ko Lipe: sweltering, soaked, with clean air — fine if you can take 22 rainy days. It ranks #10 of 12 months for Ko Lipe on SeasonMap's comfort score (67/100).
- What is the weather like in Ko Lipe in September?
- In September, Ko Lipe averages a daily high of 28.4°C and a low of 26.1°C, with about 239.6 mm of rain over roughly 22.1 rainy days.
- What is the air quality in Ko Lipe in September?
- Ko Lipe has a mean US Air Quality Index of about 42 in September.
Other months in Ko Lipe
Compare Ko Lipe in September
Warmer or cooler than Ko Lipe in September
Similar destinations in Southeast Asia — September
Within 300 km: Penang's Hungry Ghost Festival around 5 Aug – 25 Sep, and Langkawi's Southwest monsoon around 1 May – 15 Oct.