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Gramado Weather in September
During September, Gramado experiences pleasant daytime temperatures of 22°C (72°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 187 mm (7.4 in) is typical.
Rainfall in Gramado in September
Typically, you can expect about 18 days of rain this month, with 187 mm (7.4 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Gramado in September
September in Gramado brings typical temperatures with highs around 22°C (72°F) and lows of 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If your ideal day consists of dry skies and pleasant temperatures, March, April, May, August and November typically offer the best circumstances for Gramado.
Gramado Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
22°C (72°F)
Chance of Rain
61%
Precipitation
187 mm (7.4 in)
Rainy days
18 days
Gramado Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gramado - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Gramado typically stay consistent throughout September, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 14°C (57°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 Gramado in September
Browse day-by-day weather records for Gramado spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gramado historical weather extremes in September
The extremes listed below come from historical weather data collected in Gramado from 2003 through 2026.
- On September 13, 2013, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 9°C (48°F), recorded on September 3, 2022.
- Gramado registered its coldest September night on September 4, 2022, with temperatures dropping to 2°C (36°F).
- Peak precipitation in September occurred on September 21, 2025, when 60 mm (2.4 in) of precipitation was measured.
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 Gramado 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
What To Do in Gramado in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Camping6/10
Gramado 3-Day Forecast
More climate data for Gramado
See the full Gramado climate overview or explore weather in Brazil.
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