September · Chile
Best time to visit La Serena in September Weather, crowds & prices
Weather in La Serena in September
Average temperature 15°C, 1 mm of rain, about 19 days with 6+ hours of sunshine and 53% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.6/10
Ranked #7 of 12 months
- Avg temp
- 15°C
- Rainfall
- 1 mm
- Humidity
- 53%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in La Serena scores 9.6/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 15°C, 1 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
La Serena pairs a long Pacific beach with colonial churches and a gateway to Elqui Valley observatories. Best window: cooler months from late autumn through early spring.
September is one of the strongest months in La Serena (7th)
September averages 15°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rain is a non-issue at 1 mm for the month, with about 19 days with 6+ hours of sunshine and 11.8 hours of daylight to work with.
A 9.6/10 puts this among the year's best months in La Serena (7th of 12); only January scores higher, at 10/10.
Pack layers you can shed by midday plus one warm layer for the evening.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in La Serena in September?
- In September, La Serena averages 15°C, 1 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
- Is September a good time to visit La Serena?
- September earns a 9.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in La Serena in September?
- Expect about 1 mm of rain in September. Average humidity is 53% and there are about 19 days with 6+ hours of sunshine.
Curated in La Serena
Tickets & experiences
Things to do in La Serena
La Serena, Chile. Live activities and tours from GetYourGuide, matched to this destination.