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When to go · La Fortuna

La Fortuna in September

Avoid month. Listed as a month to avoid: Sep–Oct (wettest); peak Christmas–New Year for prices.

Key facts

Verdict
Avoid
Temperature
29°C (84°F) / 21°C (70°F)
average high / low
Rain days
21
Crowds
Low
Costa Rica overall
Prices
Low
Costa Rica overall

Verdict

AvoidBest and avoid months for La Fortuna

Listed as a month to avoid: Sep–Oct (wettest); peak Christmas–New Year for prices.

Is another month better than September?

September is rated avoid. These months rate higher:

Weather in September

Long-term averages
  • La FortunaHighs around 29 °C (84 °F), lows around 21 °C (70 °F), rain on about 21 days
  • Northern plains, Costa Rica · La Fortuna, Arenalfine

    Rain any month; Arenal's cone is often in cloud — mornings are clearest.

Crowds and prices

Crowds · Costa Rica overall
Low
Prices · Costa Rica overall
Low

Costa Rica overall: Wettest on the Pacific; driest on the Caribbean — switch sides.

Compare two months

Weather, crowds and prices for any two months in La Fortuna, side by side.

  • Verdict

    Sep: Avoid

    Jan: Great (better)

  • Daytime high

    Sep: 29 °C (84 °F)

    Jan: 28 °C (82 °F)

  • Night low

    Sep: 21 °C (70 °F)

    Jan: 20 °C (68 °F)

  • Rain days

    Sep: 21

    Jan: 12 (better)

  • Crowds

    Sep: Low

    Jan: High

  • Prices

    Sep: Low

    Jan: High

  • Festivals listed

    Sep: 0

    Jan: 0

September: Listed as a month to avoid: Sep–Oct (wettest); peak Christmas–New Year for prices.

January: Inside La Fortuna's best window: Feb–Apr (driest, best volcano views); Dec–Apr generally.

La Fortuna: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Costa Rica in September →