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Weather in Puerto Williams for September 2026

Your guide to Puerto Williams weather in September - trends and predictions

    Snow Forecast ❄️

  • The climate of Puerto Williams in September is quite snowy, averaging 12 snowy days.

    • Temperatures

  • In general, the average temperature in Puerto Williams at the beginning of September is 3.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.3 °C by the end of September.

Average dry days
12
Dry days
Average rainy days
6
Rainy days
Average snowy days
12
Snow days
Average temperatures
5°/-1°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
87 %
Avg humidity

Puerto Williams Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Mist
4°
2
Moderate or heavy snow showers
2°
3
Moderate or heavy snow showers
2°
4
Light snow showers
3°
5
Patchy rain possible
4°
6
Fog
5°
7
Fog
5°
8
Light snow showers
3°
9
Light snow
3°
10
Fog
3°
11
Fog
7°
12
Fog
8°
13
Light rain
8°
14
Patchy rain possible
7°
15
Moderate or heavy snow showers
3°
16
Moderate or heavy snow showers
2°
17
Patchy rain possible
4°
18
Patchy rain possible
6°
19
Mist
8°
20
Freezing fog
6°
21
Heavy snow
6°
22
Moderate or heavy snow showers
1°
23
Freezing fog
5°
24
Mist
6°
25
Fog
7°
26
Fog
8°
27
Patchy rain possible
7°
28
Light sleet
10°
29
Patchy light snow
7°
30
Light freezing rain
6°

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

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Mist
Mist
 4° /-2° 0 mm 0 cm
2 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-2° 6.9 mm 5 cm
3 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-2° 7.9 mm 4.8 cm
4 Sept. Light snow showers
Light snow showers
 3° /0° 1.9 mm 0.1 cm
5 Sept. Patchy rain possible
Patchy rain possible
 4° /1° 0.2 mm 0 cm
6 Sept. Fog
Fog
 5° /0° 0.6 mm 0 cm
7 Sept. Fog
Fog
 5° /0° 1.2 mm 0 cm
8 Sept. Light snow showers
Light snow showers
 3° /-1° 3.9 mm 2.8 cm
9 Sept. Light snow
Light snow
 3° /0° 0.6 mm 0.1 cm
10 Sept. Fog
Fog
 3° /1° 0 mm 0 cm
11 Sept. Fog
Fog
 7° /1° 0 mm 0 cm
12 Sept. Fog
Fog
 8° /2° 0.1 mm 0 cm
13 Sept. Light rain
Light rain
 8° /2° 4.6 mm 0 cm
14 Sept. Patchy rain possible
Patchy rain possible
 7° /0° 0.3 mm 0 cm
15 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-3° 11.5 mm 7.3 cm
16 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 2° /-3° 3.3 mm 2.4 cm
17 Sept. Patchy rain possible
Patchy rain possible
 4° /-2° 0.2 mm 0.1 cm
18 Sept. Patchy rain possible
Patchy rain possible
 6° /-3° 0 mm 0 cm
19 Sept. Mist
Mist
 8° /-2° 0 mm 0 cm
20 Sept. Freezing fog
Freezing fog
 6° /0° 0 mm 0 cm
21 Sept. Heavy snow
Heavy snow
 6° /-1° 5.3 mm 3.2 cm
22 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-2° 3.7 mm 0.9 cm
23 Sept. Freezing fog
Freezing fog
 5° /-5° 0.2 mm 0.1 cm
24 Sept. Mist
Mist
 6° /-4° 0 mm 0 cm
25 Sept. Fog
Fog
 7° /-1° 0 mm 0 cm
26 Sept. Fog
Fog
 8° /2° 0.4 mm 0 cm
27 Sept. Patchy rain possible
Patchy rain possible
 7° /1° 0.1 mm 0 cm
28 Sept. Light sleet
Light sleet
 10° /2° 4.7 mm 0 cm
29 Sept. Patchy light snow
Patchy light snow
 7° /-1° 0.2 mm 0.1 cm
30 Sept. Light freezing rain
Light freezing rain
 6° /0° 0 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 6 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 12 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 12 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 6 rainy days in September with a total of 57.8 mm of rainfall.

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Location coordinates Where is Puerto Williams?

Get accurate weather forecasts for Puerto Williams, located at latitude -54.934 and longitude -67.61. Stay updated with localized weather information tailored for Puerto Williams.

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