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Coyhaique Weather in September
September in Coyhaique sees daytime temperatures around 8°C (46°F) and lows of -1°C (30°F) at night. With around 123 mm (4.8 in) of snow/rainfall expected, it's worth packing a rain jacket.
Rainfall in Coyhaique in September
Historically, September sees about 5 days of snow/rain, with a monthly average of 123 mm (4.8 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Coyhaique in September
If you're visiting Coyhaique in September, expect highs of 8°C (46°F) and overnight lows around -1°C (30°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights are well below freezing at -1°C (30°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.
Sunshine in Coyhaique in September
The month brings about 158 hours of sunlight, offering a comfortable mix of sun and overcast.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Coyhaique. Our weather planner can help you explore destinations with more pleasant weather conditions.
Coyhaique Temperature in September
Min Temperature
-1°C (30°F)
Max Temperature
8°C (46°F)
Chance of Rain
18%
Precipitation
123 mm (4.8 in)
Rainy days
5 days
Humidity
66%
Sunshine
158 hours
Percentage Sunshine
Coyhaique Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Coyhaique - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Coyhaique typically stay consistent throughout September, with daily highs averaging around 8°C (46°F). Nights are cold, with lows typically ranging from 0°C (32°F) to 2°C (36°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Coyhaique in September
Browse day-by-day weather records for Coyhaique spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Coyhaique historical weather extremes in September
Based on 33 years of weather observations (1993-2026), these are the most extreme conditions recorded in Coyhaique.
- On September 25, 1996, temperatures climbed to 22°C (72°F), marking the warmest September day on record.
- The lowest daytime temperature in September was -1°C (30°F), recorded on September 9, 2000.
- Nighttime temperatures dropped to -11°C (12°F) on September 5, 2026, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 24, 2002, when 46 mm (1.8 in) of precipitation fell.
Best Places in Chile in September
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile 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 Coyhaique in September
Dress warmly and in layers for your trip to Coyhaique in September. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Coyhaique in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling4/10 -
Walking4/10 -
Camping1/10 -
Outdoor sports4/10
Coyhaique 3-Day Forecast
More climate data for Coyhaique
Temperature Rainfall Sunshine Humidity
See the full Coyhaique climate overview or explore weather in Chile.
Popular in September
Where to go in September - average daytime high across popular destinations.
San Pedro de Atacama
21°C (70°F) Hanga Roa
21°C (70°F) La Serena19°C (66°F) Santiago18°C (64°F) Viña del Mar16°C (61°F) Concón16°C (61°F) Valparaíso15°C (59°F) Pucón
13°C (55°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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