Montevideo Weather in September
17.3°C high · 8.4°C low · 76 mm rain · 6.3h sun
Sep is a warm month in Montevideo — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 17.3°C |
| Average low | 8.4°C |
| Rainfall | 76 mm |
| Sunshine | 6.3 hours/day |
| Daylight | 11.8 hours |
What to pack in September
Pack a jacket and layers for Montevideo in September.
Montevideo weather by month
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Frequently asked questions
What is the weather in Montevideo in September?
Highs of 17.3°C and lows of 8.4°C, with about 76 mm of rain and 6.3 hours of sunshine per day.
Is September a good time to visit Montevideo?
Sep is a warm month in Montevideo — not peak season, but a good time to avoid crowds.
What to do in Montevideo · Best time to visit Montevideo
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.