Tambor Weather in September
With daytime temperatures of 29°C (84°F) and nighttime lows of 25°C (77°F), September in Tambor brings high temperatures during the day. Do keep in mind that September is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Tambor in September
As part of the rainy season, Tambor sees around 23 days of rain in September, with an average of 382 mm (15 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Tambor in September
Daytime highs in Tambor in September reach 29°C (84°F), with nights 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. 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 Tambor in September
The area enjoys a moderate level of sunlight, with around 159 hours. It's a good balance between sunny and rainy days.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Tambor. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Tambor's climate page.
Tambor Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
75%
Precipitation
382 mm (15 in)
Rainy days
23 days
Sunshine
159 hours *
Percentage Sunshine
*
Historical weather for Tambor in September
Browse day-by-day weather records for Tambor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tambor historical weather extremes in September
Based on weather observations in Tambor between 2006 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 20, 2015, with a maximum of 30°C (86°F).
- The coldest September day was on September 24, 2010, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 23°C (73°F) on September 21, 2006, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 11, 2013, when 120 mm (4.7 in) of precipitation fell.
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
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tolerable
unpleasant
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What to Wear in Tambor 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Tambor in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Costa Rica, check out our Tambor's climate page.
See the full Tambor climate overview or explore weather in Costa Rica.
