Het weer in La Fortuna in september

La Fortuna in september: heet, kletsnat, met schone lucht — een gok, met 29 regendagen.

Bijgewerkt september 2026 · klimaatnormalen uit de ERA5-heranalyse

La Fortuna🇨🇷 Costa Rica · Costa Rica & Panama · Trekking57
  1. 75jan
  2. 81feb
  3. 80mrt
  4. 76apr
  5. 58mei
  6. 52jun
  7. 61jul
  8. 60aug
  9. 57sep
  10. 51okt
  11. 56nov
  12. 68dec

#9 van 12 maanden in La Fortuna · #1182 van 1413 bestemmingen om te bezoeken in september · comfort 57/100 (tier D)

Dagen
28°C
Nachten
21°C
Natte dagen
29
Zon
8 h
Luchtvochtigheid
92%
Daglicht
12 h
La Fortuna, Costa Rica
Foto: Osmany Mederos · Pexels

Reizigersnotities over La Fortuna in september

La Fortuna-forum threads on September weather confirm this sits within the wettest stretch of the local year, mornings generally the more reliable window before cloud and a real system build through the afternoon. Posters call the Arenal volcano itself genuinely hit-or-miss for visibility, cloud cover and showers frequently obscuring the peak for stretches at a time. Regulars describe humidity as staying close to saturated throughout, laundry famously refusing to fully air out and a warm afternoon feeling considerably heavier than the same reading in a drier month. Posters recommend scheduling hikes for the morning, afternoon plans genuinely riskier. Regulars call the hot springs and waterfalls worth the trip regardless of volcano visibility, both largely unaffected by a passing shower. Posters recommend real rain gear. The record: 27.5C days feeling like a punishing 33C, 21.4C nights, an extraordinarily high 270mm across nearly 29 days and 92 percent humidity.
LaFortunaSeptemberRegular · september · 4 dagen geleden · Lees verder op Tripadvisor ↗

Andere maanden in La Fortuna

La Fortuna-forum threads on a January visit describe this as genuinely the start of the more favorable season, posters naming it one of the better months for a real shot at seeing the Arenal volcano's peak. Regulars call the summit genuinely elusive regardless of month, several posters naming roughly sixty clear-view days a year as the honest baseline. Posters call fast-drying clothes and rain gear worth packing no matter the month, several regulars naming this standard advice given how much cloud cover varies day to day. Regulars call January still genuinely warm and humid, several threads naming this a real contrast to how the season's reputation sounds. Posters recommend real flexible plans around volcano viewing, several regulars calling this standard given how unpredictable cloud cover remains even in January. The record: 25.7C days, 19.7C nights, 101.7mm across over 15 days and 89 percent humidity.
LaFortunaJanuaryRegular · januari · 3 dagen geleden · Lees verder op tripadvisor.co.nz ↗
La Fortuna-forum threads on April weather describe conditions as genuinely intense in town, posters citing readings near ninety-five Fahrenheit on the hottest days. Regulars call Arenal National Park itself noticeably cooler, highs there typically running in the upper seventies to low eighties even when La Fortuna proper feels considerably warmer. Posters recommend the La Fortuna Waterfall, the 1968 Park, El Silencio Trail and the Mistico Hanging Bridges as strong April picks, several regulars naming all four in the same itinerary. Regulars recommend a Rio Celeste day tour as a real addition for anyone with an extra day, the drive there considered worthwhile on its own. Posters recommend Don Rufino for a nicer dinner and Soda La Parada for a casual, local option, both named repeatedly across April trip reports. The record: 28.9C days feeling like 33C, 21C nights, an extraordinarily high 58.8mm across over 11 days and 78 percent humidity.
LaFortunaAprilRegular · april · 4 dagen geleden · Lees verder op Tripadvisor ↗
La Fortuna-forum threads on mid-July weather describe a familiar daily pattern, posters calling on-and-off showers several times a day standard alongside genuinely hot, humid conditions at midday. Regulars call a heavy afternoon downpour the most likely single event, though some days stay largely sunny throughout with no real disruption. Posters recommend a real umbrella and rain jacket regardless of forecast, conditions here capable of shifting within the hour. Regulars call nearly every tour still running in this weather, zip-lining the main exception when conditions turn genuinely severe. Posters describe July as still worth visiting despite the wetter pattern, the volcano and hot springs both rewarding regardless of a passing shower. Regulars recommend flexible daily plans given how unpredictable the exact timing runs this time of year. The record: 26.6C days feeling like 31C, 21.4C nights, an extraordinarily high 251.2mm across nearly 28 days and 93 percent humidity.
LaFortunaJulyRegular · juli · 4 dagen geleden · Lees verder op Tripadvisor ↗
La Fortuna-forum threads on whether the wetter season is really that bad are consistent the answer is no, one poster direct nobody can reliably predict exactly when a shower hits, beyond March running noticeably calmer than the rest of the year. Regulars describe a typical June day as clear through the morning, with heavier activity building through afternoon and evening before clearing again, most operators running tours on a morning schedule to work around this pattern. Posters call waterfall visits and nature walks genuinely excellent in June, the surrounding rainforest at its greenest, with hotel and tour prices noticeably lower than peak season. A poncho and fast-drying clothing are standing advice regardless of forecast. Regulars call June entirely workable for a first-time visitor willing to plan mornings around outdoor activities. The record: 27.3C days feeling like a punishing 32C, 21.7C nights, an extraordinarily high 258mm across 29 days and 93 percent humidity.
LaFortunaJuneRegular · juni · 4 dagen geleden · Lees verder op Tripadvisor ↗

Voeg je eigen notitie toe vanaf de kaart van La Fortuna.

Klimaatnormalen La Fortuna — september

Middagtemperatuur28°C / 82°F🥵 heet
Minimum ’s nachts21°C / 71°F
Gevoelstemperatuur (max)33°C / 91°F
Neerslag270 mm / 10.6 in⛈ kletsnat
Regendagen29 dagen
Luchtvochtigheid92%💦 erg vochtig
Dauwpunt22°C / 72°F
Zon8 u/dag
Daglicht12.2 u
Wind9 km/h / 6 mph
Luchtkwaliteit (US AQI)17🍃 goed

Maandgemiddelden uit de ERA5-heranalyse. AQI is de gemiddelde Amerikaanse luchtkwaliteitsindex voor de maand.

Drukte in La Fortuna in september

Hoe druk de plek zelf is — school- en massavakanties, de maanden die een redacteur markeerde, en hoe gewild het weer ze maakt. Nooit onderdeel van de comfortscore.

Tussenseizoenschoolvakanties in 2 van de markten die de plek vullen, een gewone maand(geschat)

JFMAMJJASOND

TopdrukteDrukTussenseizoenRustig

Beste maanden voor het weer in La Fortuna

Gerangschikt op de eigen klimaatcomfortscore van deze bestemming door het jaar heen — iets anders dan hoe druk het er wordt (zie Drukte hierboven).

Redelijk weerHet weer in La Fortuna piekt van februari tot april.

JFMAMJJASOND

Beste weerRedelijk weerZwaarste weer

Wat er speelt in La Fortuna in september

Terugkerende seizoensevenementen, natuurspektakels, sluitingen en feestdagen — gecureerd en met bron.

  • Seizoen

    Green season

    1 mei – 30 nov · meestalMoesson

    Rain most afternoons, rates down, waterfalls at full noise. Arenal makes its own cloud, so the volcano is a lottery in these months whatever the forecast for the town says.

  • Seizoen

    Rivers at full flow

    1 sep – 15 nov · meestalHoogwaterRisico

    The Balsa and the Toro run hardest in September and October and the rafting grades go up with them. After a heavy night the Rio Celeste loses its blue for a day or two, which catches people out.

  • Seizoen

    Wet season

    MoessonRisico

    29 rainy days and about 270 mm in the month — the real kind of rainy season, not afternoon showers.

    uit de klimaatnormalen

Wat er in september wereldwijd speelt →

Vlakbij, en er is iets te doen

Binnen 300 km van La Fortuna — een dagtrip of een kort ritje — met deze maand iets te doen. Nooit onderdeel van de comfortscore.

Waar ligt La Fortuna?

Kaart laden…

La Fortuna in september — veelgestelde vragen

Is september een goede tijd om La Fortuna te bezoeken?
La Fortuna in september: heet, kletsnat, met schone lucht — een gok, met 29 regendagen. Het staat op plek #9 van 12 maanden voor La Fortuna op de comfortscore van SeasonMap (57/100).
Hoe is het weer in La Fortuna in september?
In september heeft La Fortuna gemiddeld een dagmaximum van 27.5°C en een minimum van 21.4°C, met ongeveer 270.1 mm regen over zo’n 28.7 regendagen.
Hoe is de luchtkwaliteit in La Fortuna in september?
La Fortuna heeft in september een gemiddelde Amerikaanse luchtkwaliteitsindex van ongeveer 17.

Binnen 300 km: Jacó's Humpback whales rond 15 jul – 15 nov en Nosara's Arribada at Ostional rond 1 jul – 31 dec.

Weer in La Fortuna in september: 28°C, 29 regendagen, 8 u zon | SeasonMap