Santa Catalina
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Santa Catalina Weather in September

September in Santa Catalina brings high temperatures, with daytime highs of 29°C (84°F) and nights around 25°C (77°F). It's part of the rainy season, with 433 mm (17 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Santa Catalina in September

As part of the rainy season, Santa Catalina sees around 19 days of rain in September, with an average of 433 mm (17 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Santa Catalina in September

If you're visiting Santa Catalina in September, expect highs of 29°C (84°F) and overnight lows around 25°C (77°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Santa Catalina. Our weather planner can help you explore destinations with more pleasant weather conditions.

Santa Catalina Temperature in September

Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
65%
Precipitation
433 mm (17 in)
Rainy days
19 days

Santa Catalina Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santa Catalina - and find the best time to visit.

Daily Historical Temperatures

39-year average (1980-2025)

Based on our historical records, temperatures in Santa Catalina typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).

Average temperatures in September

Historical weather records for Santa Catalina in September

Browse day-by-day weather records for Santa Catalina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Santa Catalina historical weather extremes in September

Based on weather observations in Santa Catalina between 2006 and 2026, these are the recorded extremes during September.

  • The warmest day in September was on September 20, 2015, with a maximum of 35°C (95°F).
  • The coldest September day was on September 17, 2025, with a maximum of 26°C (79°F).
  • Nighttime temperatures dropped to 21°C (70°F) on September 17, 2012, marking the coldest September night on record.
  • The heaviest September precipitation occurred on September 6, 2024, when 131 mm (5.2 in) of precipitation fell.

Best Places in Panama in September

Find out more about the weather in Panama and which places have the best travel conditions in this month. See all of Panama in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Santa Catalina in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.

What To Do in Santa Catalina in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Santa Catalina 3-Day Forecast

More climate data for Santa Catalina

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.