Rosário do Sul in September

7.4out of 10

Possible, with caveats

Mild: highs around 22°C. Frequent rain: about 10 rainy days.

22°CAvg high
12°CAvg low
10Rainy days (155 mm)
11:50 hDaylight
06:39Sunrise · 18:29 Sunset

Why this score

  • Mild: highs around 22°C
  • Frequent rain: about 10 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.4 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

31° 20° J 30° 20° F 29° 18° M 25° 15° A 21° 12° M 19° 10° J 18° 9° J 21° 10° A 22° 12° S 25° 14° O 28° 16° N 30° 18° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C20°C134 mm 12– – 6.7
February 30°C20°C131 mm 10– – 7.2
March 29°C18°C122 mm 9– – 7.7
April 25°C15°C151 mm 9– – 7.5
May 21°C12°C114 mm 9– – 7.6
June 19°C10°C129 mm 10– – 7.1
July 18°C9°C130 mm 9– – 7.0
August 21°C10°C116 mm 9– – 7.6
September 22°C12°C155 mm 10– – 7.4
October 25°C14°C189 mm 11– – 7.1
November 28°C16°C129 mm 9– – 7.7
December 30°C18°C132 mm 9– – 7.2

Frequently asked questions

How hot is Rosário do Sul in September?

Daytime highs average 22°C and nights about 12°C.

When is the best time to visit Rosário do Sul?

The best months are March, November, May, August.