Puerto Williams
September
Weather in Puerto Williams for September 2026
Your guide to Puerto Williams weather in September - trends and predictions
Puerto Williams typically experiences moderate snowfall in September, with an average of 9 snowy days.
According to Puerto Williams snow forecast for September 2026, 7 snowy days are expected until the end of the month. The closest date with snow is Saturday, 19 September.Until now, September 2026 in Puerto Williams is slightly cooler than the historical average by 1.8 °C.
The forecast for the next days in Puerto Williams predicts temperatures to be around 3 °C, close to the historical average.
In general, the average temperature in Puerto Williams at the beginning of September is 2.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 3.3 °C by the end of September.
Snow Forecast ❄️
Temperatures
17
Dry days
4
Rainy days
9
Snow days
5°/-1°
Temperatures
18 km/h
Avg max wind
86 %
Avg humidity
Puerto Williams Weather September
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Temperatures trend during September in Puerto Williams
See the weather trend as well as the moving average line
September weather in Puerto Williams day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Mist | 3° /-2° | 0.3 mm | 0.2 cm | |
| 2 Sept. |  Moderate or heavy snow showers | 1° /-2° | 10.3 mm | 7.5 cm | |
| 3 Sept. | Moderate or heavy snow showers | 1° /-4° | 7.3 mm | 4.3 cm | |
| 4 Sept. |  Light snow showers | 1° /-4° | 2.6 mm | 1.2 cm | |
| 5 Sept. |  Patchy rain possible | 4° /-2° | 0.1 mm | 0 cm | |
| 6 Sept. | Fog | 3° /0° | 1.4 mm | 0 cm | |
| 7 Sept. | Fog | 3° /-1° | 1.8 mm | 0.4 cm | |
| 8 Sept. | Light snow showers | 2° /-2° | 2 mm | 1.4 cm | |
| 9 Sept. |  Light snow | 2° /-2° | 2.3 mm | 0.4 cm | |
| 10 Sept. | Fog | 1° /-2° | 1.8 mm | 0.2 cm | |
| 11 Sept. | Fog | 4° /-2° | 0 mm | 0 cm | |
| 12 Sept. | Fog | 6° /0° | 0.1 mm | 0 cm | |
| 13 Sept. |  Light rain | 6° /0° | 5.5 mm | 1.1 cm | |
| 14 Sept. | Patchy rain possible | 4° /-2° | 0.4 mm | 0 cm | |
| 15 Sept. | Moderate or heavy snow showers | 4° /-3° | 5.8 mm | 3.7 cm | |
| 16 Sept. | Moderate or heavy snow showers | 3° /-2° | 2.4 mm | 1.6 cm | |
| 17 Sept. | Patchy rain possible | 4° /-1° | 0.1 mm | 0.1 cm | |
| 18 Sept. | Patchy rain possible | 6° /-2° | 1.2 mm | 0 cm | |
| 19 Sept. | Light snow showers | 3° /-2° | 1 mm | 0.6 cm | |
| 20 Sept. | Moderate or heavy snow showers | -1° /-4° | 3.3 mm | 2.3 cm | |
| 21 Sept. |  Sunny | 1° /-5° | 0 mm | 0 cm | |
| 22 Sept. | Sunny | 2° /-5° | 0 mm | 0 cm | |
| 23 Sept. |  Overcast | 3° /-4° | 0 mm | 0 cm | |
| 24 Sept. | Mist | 3° /-3° | 0 mm | 0 cm | |
| 25 Sept. | Sunny | 1° /-2° | 2.1 mm | 1.2 cm | |
| 26 Sept. | Light snow showers | 2° /-3° | 0.1 mm | 0.1 cm | |
| 27 Sept. | Overcast | 4° /-2° | 3.7 mm | 1.5 cm | |
| 28 Sept. |  Light freezing rain | 3° /-3° | 0.8 mm | 0.4 cm | |
| 29 Sept. | Moderate or heavy snow showers | 4° /0° | 2.4 mm | 0.7 cm | |
| 30 Sept. | Fog | 6° /0° | 0.1 mm | 0 cm | |
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Important Notice
Our weather forecast for Puerto Williams in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Puerto Williams forecast closer to your planned date for the most up-to-date weather information.
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Puerto Williams in September - FAQ
What are the expected maximum and minimum temperatures in Puerto Williams during September?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Puerto Williams during September?
Moderate rainfall is anticipated in Puerto Williams during September, with a total of 57.8 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Puerto Williams in September 2026?
Puerto Williams experiences an average snowfall of 26.9 cm during September, occurring over 9 days.
What are the typical wind conditions in Puerto Williams during September?
The average wind speed in Puerto Williams during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Puerto Williams snow forecast September 2026
Track daily snowfall levels and discover Puerto Williams’s snowy potential this September ❄️
On average, Puerto Williams sees 9 snowy days during September, with approximately 26.9 cm of total snowfall.
September rainfall patterns in Puerto Williams
Explore the daily rainfall trends and prepare for Puerto Williamss September weather 💧
Typically, Puerto Williams has 4 rainy days in September with a total of 57.8 mm of rainfall.
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