Curitiba in September
In September, Curitiba averages 22°C (72°F) during the day and 13°C (55°F) at night, with around 11 days of rain (112 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
September offers comfortable temperatures in Curitiba, with some rain to plan around.
How September compares to the rest of the year in Curitiba
September is in the middle of the year for warmth in Curitiba (8th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature matches the city's annual average. September runs 2°C warmer than August (20°C) and stays flat into October.
September sunrise & sunset in Curitiba
Times shown for Curitiba local time (America/Sao_Paulo), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Curitiba — September
Golden-hour and blue-hour windows for the 15th of September, in Curitiba's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Curitiba in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Curitiba's popularity.
Crowds & pricing — September in Curitiba
This is a busy month in Curitiba — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — September in Curitiba
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Curitiba in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 25°C / 78°F | 18°C / 64°F | 197 mm | 24 | — |
| February | 25°C / 77°F | 18°C / 64°F | 154 mm | 20 | — |
| March | 24°C / 76°F | 17°C / 63°F | 126 mm | 21 | — |
| April | 22°C / 72°F | 15°C / 59°F | 71 mm | 10 | — |
| May | 20°C / 68°F | 12°C / 54°F | 97 mm | 10 | — |
| June | 19°C / 66°F | 11°C / 51°F | 113 mm | 9 | — |
| July | 19°C / 66°F | 10°C / 50°F | 53 mm | 6 | — |
| August | 20°C / 68°F | 11°C / 51°F | 90 mm | 8 | — |
| September | 22°C / 72°F | 13°C / 55°F | 112 mm | 11 | — |
| October | 23°C / 73°F | 14°C / 58°F | 150 mm | 17 | — |
| November | 23°C / 73°F | 15°C / 59°F | 119 mm | 17 | — |
| December | 25°C / 77°F | 17°C / 63°F | 155 mm | 21 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Curitiba in September →
Frequently asked questions
How hot is Curitiba in September?
In September, Curitiba averages a high of 22°C (72°F) and a low of 13°C (55°F) — generally mild and pleasant.
Does it rain a lot in Curitiba in September?
September can be fairly wet in Curitiba, with about 11 rainy days on average.
Is September a good time to visit Curitiba?
September is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Curitiba in September?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Curitiba for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.