General José de San Martín in September

8.0out of 10

Yes, a good time to go

Warm and comfortable: highs around 26°C. Some rain: about 8 rainy days.

26°CAvg high
15°CAvg low
8Rainy days (87 mm)
11:51 hDaylight
06:56Sunrise · 18:47 Sunset

Why this score

  • Warm and comfortable: highs around 26°C
  • Some rain: about 8 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt

How reliable is the forecast?

Rainfall in September is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

33° 22° J 32° 22° F 30° 20° M 27° 18° A 23° 14° M 22° 13° J 22° 11° J 24° 13° A 26° 15° S 29° 18° O 30° 19° N 32° 21° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 33°C22°C118 mm 11– – 6.4
February 32°C22°C127 mm 11– – 6.7
March 30°C20°C124 mm 11– – 7.1
April 27°C18°C151 mm 10– – 7.4
May 23°C14°C95 mm 9– – 7.8
June 22°C13°C70 mm 7– – 8.0
July 22°C11°C53 mm 6– – 8.2
August 24°C13°C58 mm 6– – 8.3
September 26°C15°C87 mm 8– – 8.0
October 29°C18°C153 mm 11– – 7.3
November 30°C19°C163 mm 11– – 7.1
December 32°C21°C150 mm 11– – 6.5

Frequently asked questions

How hot is General José de San Martín in September?

Daytime highs average 26°C and nights about 15°C.

When is the best time to visit General José de San Martín?

The best months are August, July, June, September.