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Weather in Curitiba for September 2025

Your guide to Curitiba weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Curitiba is cooler than usual, with temperatures averaging 22.7 °C, this is -3.9 °C below the typical seasonal average.

  • Expect cooler weather in the next days in Curitiba with the forecast suggesting a temperature of 23.2 °C, lower than the historical average.

  • In general, the average temperature in Curitiba at the beginning of September is 24.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.7 °C by the end of September.

    • Rain 🌧️

  • Curitiba experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 42.2 mm.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/14°
Temperatures
Average wind speed
11 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Curitiba Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
27°
2
Sunny
27°
3
Mist
29°
4
Sunny
29°
5
Patchy light drizzle
24°
6
Mist
16°
7
Sunny
22°
8
Sunny
29°
9
Sunny
28°
10
Sunny
29°
11
Sunny
31°
12
Sunny
27°
13
Overcast
27°
14
Partly cloudy
27°
15
Light rain
22°
16
Patchy rain possible
23°
17
Partly cloudy
26°
18
Sunny
27°
19
Patchy rain possible
32°
20
Patchy rain possible
33°
21
Patchy rain possible
34°
22
Moderate rain
22°
23
Sunny
21°
24
Patchy rain possible
16°
25
Patchy rain possible
12°
26
Patchy rain possible
12°
27
Patchy rain possible
19°
28
Patchy rain possible
21°
29
Patchy rain possible
27°
30
Fog
31°

Temperatures trend during September in Curitiba

See the weather trend as well as the moving average line

September weather in Curitiba day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 27° /14° 0 mm 8
2 Sept. Sunny
Sunny
 27° /13° 0 mm 8
3 Sept. Mist
Mist
 29° /12° 0 mm 8
4 Sept. Sunny
Sunny
 29° /14° 0 mm 9
5 Sept. Patchy light drizzle
Patchy light drizzle
 24° /12° 0.4 mm 7
6 Sept. Mist
Mist
 16° /8° 1.3 mm 5
7 Sept. Sunny
Sunny
 22° /9° 0.2 mm 7
8 Sept. Sunny
Sunny
 29° /14° 0 mm 8
9 Sept. Sunny
Sunny
 28° /15° 1.5 mm 8
10 Sept. Sunny
Sunny
 29° /13° 0 mm 9
11 Sept. Sunny
Sunny
 31° /13° 0 mm 9
12 Sept. Sunny
Sunny
 27° /12° 0 mm 7
13 Sept. Overcast
Overcast
 27° /13° 0 mm 8
14 Sept. Partly cloudy
Partly cloudy
 27° /11° 0.8 mm 8
15 Sept. Light rain
Light rain
 22° /10° 4.9 mm 6
16 Sept. Patchy rain possible
Patchy rain possible
 23° /13° 0.6 mm 1.6
17 Sept. Partly cloudy
Partly cloudy
 26° /13° 0 mm 2.2
18 Sept. Sunny
Sunny
 27° /12° 0 mm 2.3
19 Sept. Patchy rain possible
Patchy rain possible
 32° /12° 1.1 mm 1.6
20 Sept. Patchy rain possible
Patchy rain possible
 33° /18° 0.2 mm 0.4
21 Sept. Patchy rain possible
Patchy rain possible
 34° /18° 0.1 mm 7
22 Sept. Moderate rain
Moderate rain
 22° /9° 12.1 mm 5
23 Sept. Sunny
Sunny
 21° /7° 0 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 0.7 mm 4
25 Sept. Patchy rain possible
Patchy rain possible
 12° /10° 0.8 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 12° /11° 0.5 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 0.2 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 21° /14° 0.2 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 27° /14° 0.2 mm 5
30 Sept. Fog
Fog
 31° /10° 0 mm 8
Next
Important Notice
Our weather forecast for Curitiba in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Curitiba forecast closer to your planned date for the most up-to-date weather information.
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Curitiba in September - FAQ

What are the expected maximum and minimum temperatures in Curitiba during September?
Enjoy moderate daytime temperatures of up to 28° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Curitiba during September?
In September, Curitiba can expect light to moderate rainfall, totaling 42.2 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Curitiba during September?
The average wind speed in Curitiba during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Curitiba

Explore the daily rainfall trends and prepare for Curitibas September weather 💧

UV exposure in Curitiba during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Curitiba, located at latitude -25.428 and longitude -49.273. Stay updated with localized weather information tailored for Curitiba.

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