Ísafjörður
September
Weather in Ísafjörður for September 2025
Your guide to Ísafjörður weather in September - trends and predictions
In general, the average temperature in Ísafjörður at the beginning of September is 9.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2.7 °C by the end of September.
The climate of Ísafjörður in September is notably wet, with an average of 12 rainy days.
The climate of Ísafjörður in September is quite snowy, averaging 11 snowy days.
Is September a good time to visit Ísafjörður? check out the best time to travel to Ísafjörður page.
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7
Dry days
12
Rainy days
11
Snow days
6°/3°
Temperatures
31 km/h
Avg max wind
83 %
Avg humidity
Ísafjörður in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2  9° | 3 7° | 4 9° | 5 11° | 6 10° | 7 10° |
| 8 7° | 9  4° | 10  5° | 11  7° | 12 7° | 13 7° | 14 7° |
| 15 6° | 16 6° | 17  6° | 18 5° | 19 6° | 20 6° | 21  5° |
| 22 3° | 23 6° | 24  4° | 25  3° | 26 3° | 27 2° | 28 2° |
| 29 2° | 30  3° |
You can click on date
Access Ísafjörður weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Ísafjörður
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 11° /8° | 3.5 mm | 0 cm | |
| 2 Sept. | Light rain | 9° /6° | 4 mm | 0 cm | |
| 3 Sept. | Patchy rain possible | 7° /3° | 0.1 mm | 0 cm | |
| 4 Sept. | Light drizzle | 9° /4° | 0.9 mm | 0 cm | |
| 5 Sept. | Light rain | 11° /6° | 5.4 mm | 0 cm | |
| 6 Sept. | Light drizzle | 10° /7° | 1.7 mm | 0 cm | |
| 7 Sept. | Patchy rain possible | 10° /6° | 1.3 mm | 0 cm | |
| 8 Sept. | Light rain shower | 7° /2° | 11.2 mm | 0.9 cm | |
| 9 Sept. | Moderate or heavy snow showers | 4° /0° | 2.2 mm | 0.8 cm | |
| 10 Sept. | Overcast | 5° /1° | 0.6 mm | 0.1 cm | |
| 11 Sept. | Sunny | 7° /1° | 0 mm | 0 cm | |
| 12 Sept. | Overcast | 7° /2° | 0 mm | 0 cm | |
| 13 Sept. | Overcast | 7° /3° | 0 mm | 0 cm | |
| 14 Sept. | Sunny | 7° /3° | 0.3 mm | 0 cm | |
| 15 Sept. | Overcast | 6° /2° | 0.5 mm | 0.2 cm | |
| 16 Sept. | Light rain | 6° /3° | 11.1 mm | 0 cm | |
| 17 Sept. | Moderate rain | 6° /4° | 12.6 mm | 0 cm | |
| 18 Sept. | Moderate rain | 5° /2° | 29.4 mm | 11.4 cm | |
| 19 Sept. | Light drizzle | 6° /1° | 3.8 mm | 0 cm | |
| 20 Sept. | Patchy rain possible | 6° /3° | 0.5 mm | 0 cm | |
| 21 Sept. | Light snow showers | 5° /2° | 1.9 mm | 0.3 cm | |
| 22 Sept. | Moderate or heavy snow showers | 3° /1° | 2 mm | 1.5 cm | |
| 23 Sept. | Moderate or heavy snow showers | 6° /0° | 0.7 mm | 0.5 cm | |
| 24 Sept. | Blizzard | 4° /0° | 8.5 mm | 1.1 cm | |
| 25 Sept. | Light sleet | 3° /1° | 5.7 mm | 0.1 cm | |
| 26 Sept. | Moderate or heavy snow showers | 3° /1° | 3 mm | 0.1 cm | |
| 27 Sept. | Moderate or heavy snow showers | 2° /0° | 3.6 mm | 2.1 cm | |
| 28 Sept. | Moderate or heavy snow showers | 2° /0° | 7.7 mm | 5.4 cm | |
| 29 Sept. | Moderate or heavy snow showers | 2° /0° | 2.6 mm | 2.1 cm | |
| 30 Sept. | Light snow | 3° /0° | 1.5 mm | 0.5 cm | |
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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.
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 165.6 mm is expected in Ísafjörður during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Ísafjörður during September?
Ísafjörður experiences an average snowfall of 16.1 cm during September, occurring over 11 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Ísafjörður during September?
The average wind speed in Ísafjörður during September is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Ísafjörður in September?
As you prepare for your trip to Ísafjörður in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ísafjörður, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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