Rio Grande do Sul (Rio Grande)
September
Weather in Rio Grande do Sul for September 2027
Your guide to Rio Grande do Sul weather in September - trends and predictions
In general, the average temperature in Rio Grande do Sul at the beginning of September is 15.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.7 °C by the end of September.
Rio Grande do Sul experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 97.7 mm.
Is September a good time to visit Rio Grande do Sul? check out the best time to travel to Rio Grande do Sul page.
Temperatures
Rain 🌧️
More
20
Dry days
10
Rainy days
0
Snow days
17°/12°
Temperatures
27 km/h
Avg max wind
80 %
Avg humidity
Rio Grande do Sul Weather September
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Temperatures trend during September in Rio Grande do Sul
See the weather trend as well as the moving average line
September weather in Rio Grande do Sul day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 17° /15° | 3.1 mm | 5 | |
| 2 Sept. | Patchy light drizzle | 18° /14° | 2.3 mm | 5 | |
| 3 Sept. |  Moderate rain | 19° /14° | 17 mm | 4 | |
| 4 Sept. | Moderate rain | 16° /11° | 16.9 mm | 5 | |
| 5 Sept. |  Overcast | 13° /9° | 0.3 mm | 4 | |
| 6 Sept. |  Patchy rain possible | 11° /8° | 0.9 mm | 3 | |
| 7 Sept. | Light rain shower | 14° /10° | 0.4 mm | 4 | |
| 8 Sept. | Light rain | 15° /13° | 9.9 mm | 5 | |
| 9 Sept. | Patchy rain possible | 16° /10° | 0 mm | 3 | |
| 10 Sept. |  Sunny | 17° /11° | 0.1 mm | 4 | |
| 11 Sept. | Light rain | 16° /13° | 8.1 mm | 4 | |
| 12 Sept. |  Partly cloudy | 15° /11° | 0.2 mm | 5 | |
| 13 Sept. | Partly cloudy | 16° /11° | 0.1 mm | 6 | |
| 14 Sept. | Overcast | 17° /13° | 0.3 mm | 6 | |
| 15 Sept. | Patchy light drizzle | 18° /12° | 0.2 mm | 5 | |
| 16 Sept. | Patchy rain possible | 16° /12° | 0 mm | 5 | |
| 17 Sept. | Patchy rain possible | 19° /13° | 0 mm | 6 | |
| 18 Sept. | Partly cloudy | 20° /15° | 0 mm | 5 | |
| 19 Sept. | Light rain | 21° /16° | 8.3 mm | 4 | |
| 20 Sept. | Light rain | 22° /17° | 7.4 mm | 4 | |
| 21 Sept. |  Moderate or heavy rain with thunder | 21° /14° | 11.7 mm | 4 | |
| 22 Sept. | Patchy rain possible | 14° /11° | 1 mm | 3 | |
| 23 Sept. | Patchy rain possible | 15° /10° | 0 mm | 5 | |
| 24 Sept. | Patchy rain possible | 16° /11° | 0 mm | 4 | |
| 25 Sept. | Partly cloudy | 21° /12° | 0.1 mm | 4 | |
| 26 Sept. |  Cloudy | 19° /15° | 0 mm | 5 | |
| 27 Sept. | Light rain | 18° /15° | 3.4 mm | 3 | |
| 28 Sept. | Moderate or heavy rain with thunder | 18° /15° | 3.5 mm | 4 | |
| 29 Sept. | Patchy rain possible | 21° /14° | 1.4 mm | 4 | |
| 30 Sept. | Light rain shower | 18° /14° | 1.2 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Rio Grande do Sul 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 Rio Grande do Sul forecast closer to your planned date for the most up-to-date weather information.
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Rio Grande do Sul in September - FAQ
What are the expected maximum and minimum temperatures in Rio Grande do Sul during September?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Rio Grande do Sul during September?
Moderate rainfall is anticipated in Rio Grande do Sul during September, with a total of 97.7 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Rio Grande do Sul during September?
The average wind speed in Rio Grande do Sul during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Rio Grande do Sul
Explore the daily rainfall trends and prepare for Rio Grande do Suls September weather 💧
Typically, Rio Grande do Sul has 10 rainy days in September with a total of 97.7 mm of rainfall.
UV exposure in Rio Grande do Sul during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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