Playa del Carmen weather in September
September in Playa del Carmen: sweltering, soaked, with clean air — fine if you can take 24 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Playa del Carmen · #775 of 1413 destinations to visit in September · comfort 78/100 (tier B)
- Days
- 32°C
- Nights
- 24°C
- Wet days
- 24
- Sun
- 10.4 h
- Humidity
- 84%
- Daylight
- 12 h

Traveller notes on Playa del Carmen in September
Forum posters describe September as sunny and hot, with average highs around 32C and lows around 24C, though high humidity makes it feel hotter still. When rain falls, posters say it's usually a brief overnight or afternoon shower rather than an all-day washout - though a passing low-pressure system can occasionally bring 2-5 consecutive days of overcast skies and intermittent, sometimes heavy rain. September and October carry the highest hurricane probability of the year, though posters note the odds of a week-long stay actually being hit remain low even at the peak of the season. Posters consistently name September's low occupancy and steep discounts as the real draw, calling it one of their favorite times to visit specifically because of the quiet, cheaper conditions - rain risk included.
Other months in Playa del Carmen
Regulars are specific a cold front passes through roughly every 10 to 14 days here, each one lasting 2 to 3 days and dropping overnight temperatures as low as 15C before things warm back up. Our row backs that warm, genuinely wet read, 28.7C reading as a hot 32C, over 20.6C nights feeling 23C, with 53.4mm of rain across 10.6 days and humidity at 78 percent. Regulars are consistent any rain that does fall typically arrives overnight or early morning, the rest of a given day staying clear and sunny, all-day torrential rain genuinely rare. Early December specifically gets singled out as great weather paired with the lowest prices of the year. The sea sits at a bath-warm 28C. The record: 9.4 hours of sun, a 13.9 kph wind and AQI 32.
Playa del Carmen-forum threads on July weather call it hot and humid, mid-to-late July specifically singled out as when the region's Canicula heat wave really sets in and intensifies the discomfort further. Rain is technically a daily forecast item most of the month, but posters consistently say the actual experience diverges from that: showers land overnight or as a brief, sharp afternoon burst rather than settling in for the day, since the heat burns off cloud cover quickly, especially in the back half of the month. More than one thread describes checking a forecast calling for rain all week and getting mostly sun and heat instead. The standing advice is not to let the forecast dictate a trip - pack for both heat and a quick downpour, and expect beach mornings to be reliably good regardless of what the app predicted. The record: 33.6C days feeling like a punishing 40C, 24.3C nights, 86mm across 16.2 days, 81 percent humidity, a 29.8C sea and 11.7 hours of sun.
Playa del Carmen-forum threads on January weather call it close to ideal for the beach - sunny, warm days, most showers brief and overnight or a short afternoon burst, though occasionally a stretch of two or three drizzly days shows up. The one real variable is cold fronts: roughly every 10 to 14 days one moves through, dropping temperatures a few degrees for two or three days and making long sleeves genuinely useful after dark, even though the ocean itself stays warm enough for swimming throughout. Pools, several posters note, run noticeably cooler than the sea. Overall the month is called nearly perfect, sweater for the evenings recommended just in case a front rolls through during the stay. The record: 27.8C days feeling like 30C, 19.7C nights, 42mm across 11 days, a 27.2C sea, 77 percent humidity and 9.2 hours of sun.
April in Playa del Carmen is the best weather and the worst seaweed at the same time. On the weather regulars are unanimous - mid-80s Fahrenheit, calm ocean, and trips that come home without a single rained-out day, which our row's 33.8mm across 7 days supports. On sargassum they are equally blunt: April through June is the peak, usually arriving daily in moderate to large amounts, though it comes and goes and the end of the month can be clear or not. Crowds are the third factor: March and April are spring break and high season, and the useful distinction they draw is before or after Easter, with after noticeably calmer. The record: 32.2C days that feel like 36C, 22.1C nights, 11.5 hours of sun and a 27.7C sea.
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Playa del Carmen climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Playa del Carmen 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 2 of the markets that fill it, one of its worst months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Playa del Carmen'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).
Fair weatherPlaya del Carmen's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Playa del Carmen in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sargassum season
1 Apr – 30 Sep · usuallyRiskBrown seaweed piles up on the east-facing sand, worst from May to August. Hotels rake their own stretch at dawn; the public beaches wait, and it rots fast enough to smell by afternoon. Source ↗
- Nature
Sea turtle nesting
1 May – 31 OctLoggerheads and greens nest on the strip between Playa and Xcacel from May, with hatchling releases into October. Nests are roped off and the beachfront lights are meant to be shaded.
- Hazard
Hurricane season
1 Jun – 30 NovThe Atlantic season runs June to November, with almost all of the Yucatan's activity between mid-August and mid-October. Most weeks pass with nothing more than a wet afternoon. Source ↗
Nearby, and something's on
Within 300 km of Playa del Carmen — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Playa del Carmen?
Playa del Carmen in September — FAQ
- Is September a good time to visit Playa del Carmen?
- September in Playa del Carmen: sweltering, soaked, with clean air — fine if you can take 24 rainy days. It ranks #11 of 12 months for Playa del Carmen on SeasonMap's comfort score (78/100).
- What is the weather like in Playa del Carmen in September?
- In September, Playa del Carmen averages a daily high of 32.4°C and a low of 23.9°C, with about 166.6 mm of rain over roughly 24 rainy days.
- What is the air quality in Playa del Carmen in September?
- Playa del Carmen has a mean US Air Quality Index of about 28 in September.
Within 300 km: Cozumel's Sea turtle nesting on 15 May – 31 Oct, and Tulum's Sea turtle nesting on 1 May – 31 Oct.