Ísafjörður
September
Weather in Ísafjörður for September 2026
Your guide to Ísafjörður weather in September - trends and predictions
The climate of Ísafjörður in September is quite snowy, averaging 14 snowy days.
According to Ísafjörður snow forecast for September 2026, 5 snowy days are expected until the end of the month. The closest date with snow is Wednesday, 23 September.Until now, September 2026 in Ísafjörður is slightly cooler than the historical average by 0.7 °C.
The forecast for the next days in Ísafjörður predicts temperatures to be around 5 °C, close to the historical average.
In general, the average temperature in Ísafjörður at the beginning of September is 8.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 4.1 °C by the end of September.
Snow Forecast ❄️
Temperatures
3
Dry days
13
Rainy days
14
Snow days
6°/3°
Temperatures
27 km/h
Avg max wind
83 %
Avg humidity
Ísafjörður Weather September
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Temperatures trend during September in Ísafjörður
See the weather trend as well as the moving average line
September weather in Ísafjörður day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 8° /5° | 3.1 mm | 0 cm | |
| 2 Sept. |  Light rain | 8° /4° | 1.3 mm | 0 cm | |
| 3 Sept. | Patchy rain possible | 7° /3° | 3.3 mm | 0 cm | |
| 4 Sept. | Light drizzle | 8° /4° | 2.4 mm | 0 cm | |
| 5 Sept. | Light rain | 10° /5° | 5.5 mm | 0 cm | |
| 6 Sept. | Light drizzle | 9° /5° | 2.3 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 9° /4° | 1.7 mm | 0 cm | |
| 8 Sept. | Light rain shower | 9° /3° | 10.9 mm | 0.5 cm | |
| 9 Sept. | Patchy rain possible | 6° /3° | 1.5 mm | 0.4 cm | |
| 10 Sept. |  Overcast | 7° /3° | 3.7 mm | 0 cm | |
| 11 Sept. |  Sunny | 7° /2° | 1.1 mm | 0.4 cm | |
| 12 Sept. | Overcast | 6° /1° | 2.6 mm | 0.7 cm | |
| 13 Sept. | Overcast | 7° /2° | 4.6 mm | 0.5 cm | |
| 14 Sept. | Sunny | 7° /2° | 2.6 mm | 0 cm | |
| 15 Sept. | Overcast | 7° /3° | 0.3 mm | 0.1 cm | |
| 16 Sept. | Light rain | 7° /3° | 12.9 mm | 0 cm | |
| 17 Sept. |  Moderate rain | 5° /3° | 7.6 mm | 0 cm | |
| 18 Sept. | Moderate rain | 5° /2° | 15.5 mm | 5.8 cm | |
| 19 Sept. | Patchy rain possible | 6° /5° | 2.5 mm | 0 cm | |
| 20 Sept. | Patchy rain possible | 7° /4° | 5.6 mm | 0 cm | |
| 21 Sept. | Light rain shower | 9° /4° | 13.8 mm | 0 cm | |
| 22 Sept. | Patchy rain possible | 7° /5° | 5.7 mm | 0 cm | |
| 23 Sept. | Patchy rain possible | 6° /2° | 7.3 mm | 0.3 cm | |
| 24 Sept. | Patchy rain possible | 5° /3° | 14.2 mm | 0 cm | |
| 25 Sept. |  Moderate or heavy snow showers | 5° /0° | 5.4 mm | 3.3 cm | |
| 26 Sept. | Overcast | 2° /0° | 0.6 mm | 0.3 cm | |
| 27 Sept. | Overcast | 4° /1° | 12.9 mm | 0 cm | |
| 28 Sept. | Light rain shower | 6° /0° | 19.9 mm | 3.2 cm | |
| 29 Sept. |  Partly cloudy | 1° /-1° | 5.4 mm | 1 cm | |
| 30 Sept. |  Light freezing rain | 6° /1° | 4.5 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Ísafjörður 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 Ísafjörður forecast closer to your planned date for the most up-to-date weather information.
Change Month
Ísafjörður in September - FAQ
What are the expected maximum and minimum temperatures in Ísafjörður during September?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 3°.
How much rainfall should be expected in Ísafjörður during September?
Significant rainfall exceeding 136.9 mm is expected in Ísafjörður during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Ísafjörður in September 2026?
Ísafjörður experiences an average snowfall of 19.1 cm during September, occurring over 14 days.
What are the typical wind conditions in Ísafjörður during September?
The average wind speed in Ísafjörður during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.
Ísafjörður snow forecast September 2026
Track daily snowfall levels and discover Ísafjörður’s snowy potential this September ❄️
On average, Ísafjörður sees 14 snowy days during September, with approximately 19.1 cm of total snowfall.
September rainfall patterns in Ísafjörður
Explore the daily rainfall trends and prepare for Ísafjörðurs September weather 💧
Typically, Ísafjörður has 13 rainy days in September with a total of 136.9 mm of rainfall.
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