Bariloche in September
In September, Bariloche averages 8°C (47°F) during the day and 1°C (34°F) at night, with frequent rain — about 16 days of the month see precipitation (78 mm total).
ShoulderConditions are cold — pack winter layers. Expect daily rain or showers, often in heavy bursts.
September is one of the wetter and less comfortable months in Bariloche. If your dates are flexible, consider a different time of year.
How September compares to the rest of the year in Bariloche
September is in the middle of the year for warmth in Bariloche (9th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 5°C below the annual average (13°C). September runs 2°C warmer than August (6°C) and warms a further 3°C into October (12°C).
September sunrise & sunset in Bariloche
Times shown for Bariloche local time (America/Argentina/Salta), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Bariloche — September
Golden-hour and blue-hour windows for the 15th of September, in Bariloche's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Bariloche in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Bariloche's popularity.
Crowds & pricing — September in Bariloche
Bariloche is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — September in Bariloche
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Bariloche in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 22°C / 71°F | 10°C / 49°F | 30 mm | 8 | — |
| February | 22°C / 71°F | 10°C / 51°F | 25 mm | 8 | — |
| March | 18°C / 65°F | 8°C / 47°F | 51 mm | 11 | — |
| April | 13°C / 56°F | 6°C / 42°F | 96 mm | 15 | — |
| May | 9°C / 48°F | 3°C / 38°F | 113 mm | 18 | — |
| June | 5°C / 42°F | 1°C / 34°F | 186 mm | 20 | — |
| July | 5°C / 40°F | 0°C / 32°F | 191 mm | 21 | — |
| August | 6°C / 43°F | 1°C / 33°F | 149 mm | 19 | — |
| September | 8°C / 47°F | 1°C / 34°F | 78 mm | 16 | — |
| October | 12°C / 53°F | 3°C / 37°F | 81 mm | 15 | — |
| November | 16°C / 61°F | 6°C / 42°F | 52 mm | 12 | — |
| December | 19°C / 67°F | 8°C / 46°F | 39 mm | 9 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Bariloche in September →
Frequently asked questions
How hot is Bariloche in September?
In September, Bariloche averages a high of 8°C (47°F) and a low of 1°C (34°F) — generally cold.
Does it rain a lot in Bariloche in September?
September is quite rainy in Bariloche, with about 16 rainy days on average.
Is September a good time to visit Bariloche?
September is cold but on the rainy side. It suits travelers who are comfortable with cold weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Bariloche in September?
Pack heavy winter layers, a coat, hat and gloves, plus a compact umbrella or rain jacket. See the full September packing list for Bariloche for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.