September · Spain
Best time to visit Jaca in September Weather, crowds & prices
Weather in Jaca in September
Average temperature 16°C, 103 mm of rain, about 16 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.7/10
Ranked #6 of 12 months
- Avg temp
- 16°C
- Rainfall
- 103 mm
- Humidity
- 70%
- Days with 6h+ sun
- 16
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Jaca scores 7.7/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 16°C, 103 mm of rain, and roughly 16 days with 6+ hours of sunshine this month.
Jaca is a Pyrenean town on the Camino de Santiago, known for its Romanesque cathedral and star-shaped citadel.
September in Jaca: strong conditions, 6th of 12
Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
103 mm of rain signals a properly wet month, with only about 16 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 7.7/10 on the same scale — 6th of 12 months, versus 10/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, July is materially better in Jaca — 2.3 points higher on the same scale.
Frequently asked
- What is the weather like in Jaca in September?
- In September, Jaca averages 16°C, 103 mm of rain, and about 16 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is September a good time to visit Jaca?
- September earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Jaca in September?
- Expect about 103 mm of rain in September. Average humidity is 70% and there are about 16 days with 6+ hours of sunshine.
Curated in Jaca
Tickets & experiences
Things to do in Jaca
Jaca, Spain. Live activities and tours from GetYourGuide, matched to this destination.