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Bijagua Weather in September
September in Bijagua typically sees daytime highs of 30°C (86°F) and nighttime lows of 22°C (72°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Bijagua in September
Bijagua is in the rainy season in September, with rain on around 24 days and an average of 298 mm (12 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Bijagua in September
September in Bijagua sees highs of 30°C (86°F) and lows of 22°C (72°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 22°C (72°F), which is comfortable for most people.
Sunshine in Bijagua in September
The month brings about 158 hours of sunlight, offering a comfortable mix of sun and rainy moments.September in Bijagua has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Bijagua Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
79%
Precipitation
298 mm (12 in)
Rainy days
24 days
Humidity
86% *
Sunshine
158 hours *
Percentage Sunshine
*
* Data from: Liberia, Costa Rica (42 KM, 26 Miles).
Bijagua Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bijagua - and find the best time to visit.
Daily Historical Temperatures
41-year average (1977-2025)
Based on our historical records, temperatures in Bijagua typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
41-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Bijagua in September
Browse day-by-day weather records for Bijagua spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bijagua historical weather extremes in September
Based on 27 years of weather observations in Bijagua between 1999 and 2026, these are the recorded extremes.
- On September 9, 2026, temperatures climbed to 37°C (99°F), marking the warmest September day on record.
- Bijagua experienced its chilliest September day on September 22, 2013, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in September was 20°C (68°F) (September 26, 2007).
- The wettest September day on record brought 208 mm (8.2 in) of precipitation to Bijagua (September 7, 2021).
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 Bijagua 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 Bijagua 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 -
Camping6/10 -
Outdoor sports7/10
Bijagua 3-Day Forecast
More climate data for Bijagua
Temperature Rainfall Sunshine Humidity
See the full Bijagua 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
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