September · Brazil
Best time to visit Curitiba in September Weather, crowds & prices
Weather in Curitiba in September
Average temperature 18°C, 122 mm of rain, about 12 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.8/10
Ranked #7 of 12 months
- Avg temp
- 18°C
- Rainfall
- 122 mm
- Humidity
- 78%
- Days with 6h+ sun
- 12
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Curitiba scores 6.8/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 18°C, 122 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
Curitiba's parks, botanical garden and rapid-bus system made it Brazil's green city pioneer.
September in Curitiba — middling scores, decent value
Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.
122 mm of rain signals a properly wet month, with only about 12 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 6.8/10 on the same scale — 7th of 12 months, versus 7.5/10 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.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Curitiba in September?
- In September, Curitiba averages 18°C, 122 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 6.8/10.
- Is September a good time to visit Curitiba?
- September earns a 6.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Curitiba in September?
- Expect about 122 mm of rain in September. Average humidity is 78% and there are about 12 days with 6+ hours of sunshine.
Curated in Curitiba
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Things to do in Curitiba
Curitiba, Brazil. Live activities and tours from GetYourGuide, matched to this destination.