San Rafael Weather in September
September in San Rafael brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 6°C (43°F). The perfect weather makes it a solid choice for a visit.
Rainfall in San Rafael in September
You can expect rain on roughly 4 days based on historical data, averaging 32 mm (1.3 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in San Rafael in September
September is a perfect month in San Rafael, with 20°C (68°F) during the day and 6°C (43°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in San Rafael in September
There are approximately 199 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in San Rafael in September
September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit San Rafael.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our San Rafael's climate page.
San Rafael Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
20°C (68°F)
Chance of Rain
13%
Precipitation
32 mm (1.3 in)
Rainy days
4 days
Humidity
53%
Windspeed
1 m/s (2 knots)
Sunshine
199 hours
Percentage Sunshine
55%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Rafael typically rise from around 18°C (64°F) at the start of September to approximately 21°C (70°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for San Rafael in September
Browse day-by-day weather records for San Rafael spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Rafael historical weather extremes in September
Our historical data for San Rafael spans 1993 to 2025, revealing these weather extremes.
- The hottest September day on record in San Rafael reached 33°C (91°F) (September 9, 2013).
- The coldest night in September in San Rafael was on September 28, 2009, with a minimum of -8°C (18°F).
Best Places in Argentina in September
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Rafael in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in San Rafael in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our San Rafael's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full San Rafael climate overview or explore weather in Argentina.
