September · Costa Rica
Best time to visit San Jose in SeptemberWeather, crowds & prices
September score
5.9/10
Ranked #10 of 12 months
- Avg temp
- 20°C
- Rainfall
- 464 mm
- Humidity
- 87%
- Sunny days
- 26
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in San Jose scores 5.9/10 for nature and wildlife travel - ranked #10 of 12. Expect around 20°C, 464 mm of rain, and roughly 26 sunny days this month.
Gateway to cloud forests and volcano day trips feels best January through March dry months.
Frequently asked
- What is the weather like in San Jose in September?
- In September, San Jose averages 20°C, 464 mm of rain, and about 26 sunny days. Its climate-comfort score is 5.9/10.
- Is September a good time to visit San Jose?
- September earns a 5.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in San Jose in September?
- Expect about 464 mm of rain in September. Average humidity is 87% and there are about 26 sunny days.
Curated in San Jose
Tickets & experiences
Things to do in San Jose
San Jose, Costa Rica. Live activities and tours from GetYourGuide, matched to this destination.