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Curitiba Weather in September
September in Curitiba sees daytime temperatures around 22°C (72°F) and lows of 12°C (54°F) at night. With around 142 mm (5.6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Curitiba in September
Analyzing past climate data, one can expect approximately 19 days of rain, averaging 142 mm (5.6 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Curitiba in September
September in Curitiba brings typical temperatures with highs around 22°C (72°F) and lows of 12°C (54°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Curitiba in September
The city usually sees around 125 hours of sunlight, indicating a moderately sunny period.Should you favor a climate that's both dry and comfortably warm, April, May, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Curitiba Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
22°C (72°F)
Chance of Rain
63%
Precipitation
142 mm (5.6 in)
Rainy days
19 days
Humidity
81%
Sunshine
125 hours
Percentage Sunshine
Curitiba Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Curitiba - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Curitiba typically stay consistent throughout September, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Curitiba in September
Browse day-by-day weather records for Curitiba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Curitiba historical weather extremes in September
According to our 27 years of weather records for Curitiba, the following extremes were recorded between 1999 and 2026.
- The warmest day in September was on September 25, 2024, with a maximum of 33°C (91°F).
- Curitiba experienced its chilliest September day on September 13, 2005, reaching only 10°C (50°F).
- Curitiba registered its coldest September night on September 3, 2002, with temperatures dropping to -1°C (30°F).
- The wettest September day on record brought 63 mm (2.5 in) of precipitation to Curitiba (September 21, 2007).
Best Places in Brazil in September
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil 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 Curitiba in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Curitiba in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Curitiba 3-Day Forecast
More climate data for Curitiba
Temperature Rainfall Sunshine Humidity
See the full Curitiba climate overview or explore weather in Brazil.
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