Libertador General San Martín in September
8.3out of 10
Yes, a good time to go
Warm and comfortable: highs around 26°C. Some rain: about 6 rainy days.
26°CAvg high
11°CAvg low
6Rainy days (36 mm)
11:52 hDaylight
07:17Sunrise · 19:10 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Some rain: about 6 rainy days
- Rain varies a lot between years (±4.2 days)
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
How reliable is the forecast?
Rain in September varies a lot between years (±4.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 29°C | 19°C | 232 mm | 18 | – | – | 6.1 |
| February | 28°C | 19°C | 243 mm | 18 | – | – | 6.1 |
| March | 26°C | 18°C | 274 mm | 21 | – | – | 6.1 |
| April | 24°C | 15°C | 197 mm | 19 | – | – | 6.1 |
| May | 21°C | 11°C | 101 mm | 16 | – | – | 6.6 |
| June | 19°C | 7°C | 50 mm | 10 | – | – | 7.2 |
| July | 19°C | 6°C | 31 mm | 7 | – | – | 7.7 |
| August | 23°C | 8°C | 25 mm | 5 | – | – | 8.5 |
| September | 26°C | 11°C | 36 mm | 6 | – | – | 8.3 |
| October | 28°C | 16°C | 103 mm | 11 | – | – | 7.5 |
| November | 29°C | 17°C | 165 mm | 14 | – | – | 6.8 |
| December | 29°C | 19°C | 241 mm | 17 | – | – | 6.0 |
Frequently asked questions
How hot is Libertador General San Martín in September?
Daytime highs average 26°C and nights about 11°C.
When is the best time to visit Libertador General San Martín?
The best months are August, September.