One of the coolest Yoga Ashrams in the world
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Montezuma Weather in September
September in Montezuma sees daytime temperatures around 29°C (84°F) and lows of 25°C (77°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Montezuma in September
As part of the rainy season, Montezuma sees around 23 days of rain in September, with an average of 391 mm (15 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Montezuma in September
Daytime highs in Montezuma in September reach 29°C (84°F), with nights around 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Montezuma in September
The area enjoys a moderate level of sunlight, with around 159 hours. It's a good balance between sunny and rainy days.September in Montezuma can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Montezuma Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
75%
Precipitation
391 mm (15 in)
Rainy days
23 days
Sunshine
159 hours *
Percentage Sunshine
*
* Data from: Puntarenas, Costa Rica (43 KM, 26 Miles).
Montezuma Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Montezuma - and find the best time to visit.
Historical weather records for Montezuma in September
Browse day-by-day weather records for Montezuma spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Montezuma historical weather extremes in September
Our historical data for Montezuma spans 2006 to 2026, revealing these weather extremes.
- The warmest day in September was on September 16, 2026, with a maximum of 33°C (91°F).
- On September 24, 2010, Montezuma saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Nighttime temperatures dropped to 23°C (73°F) on September 21, 2006, marking the coldest September night on record.
- The wettest day in September Montezuma was on September 11, 2013 with 120 mm (4.7 in) of precipitation.
Best Places in Costa Rica in September
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica 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 Montezuma in September
Warm but pleasant conditions in Montezuma in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Montezuma in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Montezuma 3-Day Forecast
More climate data for Montezuma
See the full Montezuma climate overview or explore weather in Costa Rica.
Popular in September
Where to go in September - average daytime high across popular destinations.
Tamarindo
30°C (86°F) Cahuita29°C (84°F) Santa Teresa29°C (84°F) Herradura28°C (82°F) Puerto Viejo de Talamanca29°C (84°F) Fortuna29°C (84°F) Jacó28°C (82°F) San José24°C (75°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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