The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
San Rafael Weather in September
September in San Rafael brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 8°C (46°F). Rainfall is on the higher side this month, averaging around 94 mm (3.7 in), so keep a rain jacket handy.
Rainfall in San Rafael in September
Records from the past 30 years suggest around 13 days of rain, with 94 mm (3.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in San Rafael in September
In September, San Rafael gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in San Rafael in September
The area enjoys a moderate level of sunlight, with around 189 hours. It's a good balance between sunny and cloudy days.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit San Rafael.
San Rafael Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
42%
Precipitation
94 mm (3.7 in)
Rainy days
13 days
Humidity
72% *
Sunshine
189 hours *
Percentage Sunshine
*
* Data from: Quito, Ecuador (47 KM, 29 Miles).
San Rafael Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Rafael - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San Rafael typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cool, with lows around 9°C (48°F).
Average temperatures in September
Historical weather records 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
The extremes listed below come from historical weather data collected in San Rafael from 2013 through 2025.
- San Rafael recorded its highest September temperature of 28°C (82°F) on September 4, 2024.
- The coldest September day was on September 6, 2021, with a maximum of 15°C (59°F).
- San Rafael registered its coldest September night on September 17, 2023, with temperatures dropping to 4°C (39°F).
- The wettest day in September San Rafael was on September 19, 2019 with 26 mm (1 in) of precipitation.
Best Places in Ecuador in September
Find out more about the weather in Ecuador and which places have the best travel conditions in this month. See all of Ecuador in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San Rafael in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in San Rafael in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
San Rafael 3-Day Forecast
More climate data for San Rafael
Temperature Rainfall Sunshine Humidity
See the full San Rafael climate overview or explore weather in Ecuador.
Popular in September
Where to go in September - average daytime high across popular destinations.
Guayaquil
29°C (84°F) Montañita
25°C (77°F) Puerto Ayora26°C (79°F) Salinas23°C (73°F) Puerto Baquerizo Moreno
23°C (73°F) Quito
19°C (66°F) Baños17°C (63°F) Cuenca15°C (59°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
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