easeweather.com
Ísafjörður
AkureyriGrundarfjörðurHellaHöfnKeflavíkKópavogurReykjavíkSeyðisfjörðurVík í Mýrdal
Ísafjörður
More Locations
Iceland weather

Weather in Ísafjörður for September 2025

Your guide to Ísafjörður weather in September - trends and predictions

    Snow Forecast ❄️

  • The climate of Ísafjörður in September is quite snowy, averaging 14 snowy days.
    According to Ísafjörður snow forecast for September 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Thursday, 18 September.

    • Temperatures

  • Until now, September 2025 in Ísafjörður has been nearly identical to the historical average, with a temperature of 7.5 °C (showing only a slight deviation of -0.5 °C).

  • The forecast for the next days in Ísafjörður predicts temperatures to be around 8 °C, close to the historical average.

  • In general, the average temperature in Ísafjörður at the beginning of September is 9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 8.3 °C by the end of September.

Average dry days
7
Dry days
Average rainy days
9
Rainy days
Average snowy days
14
Snow days
Average temperatures
6°/3°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Ísafjörður Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
10°
2
Light rain
9°
3
Patchy rain possible
7°
4
Light drizzle
9°
5
Light rain
10°
6
Light drizzle
9°
7
Patchy rain possible
9°
8
Light rain shower
7°
9
Moderate or heavy snow showers
5°
10
Overcast
7°
11
Sunny
8°
12
Overcast
7°
13
Overcast
7°
14
Sunny
8°
15
Overcast
7°
16
Patchy rain possible
7°
17
Patchy rain possible
4°
18
Patchy rain possible
3°
19
Patchy rain possible
3°
20
Patchy rain possible
5°
21
Patchy rain possible
9°
22
Cloudy
11°
23
Partly cloudy
11°
24
Partly cloudy
10°
25
Overcast
10°
26
Partly cloudy
10°
27
Cloudy
8°
28
Patchy rain possible
9°
29
Patchy rain possible
8°
30
Light snow
3°

Temperatures trend during September in Ísafjörður

See the weather trend as well as the moving average line

September weather in Ísafjörður day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Light rain shower
Light rain shower
 10° /7° 4.5 mm 0 cm
2 Sept. Light rain
Light rain
 9° /5° 2 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
 7° /3° 0.4 mm 0 cm
4 Sept. Light drizzle
Light drizzle
 9° /4° 1 mm 0 cm
5 Sept. Light rain
Light rain
 10° /5° 6.6 mm 0 cm
6 Sept. Light drizzle
Light drizzle
 9° /5° 3.1 mm 0 cm
7 Sept. Patchy rain possible
Patchy rain possible
 9° /5° 2.2 mm 0 cm
8 Sept. Light rain shower
Light rain shower
 7° /2° 14.5 mm 0.6 cm
9 Sept. Moderate or heavy snow showers
Moderate or heavy snow showers
 5° /2° 1.5 mm 0.5 cm
10 Sept. Overcast
Overcast
 7° /2° 1.5 mm 0.1 cm
11 Sept. Sunny
Sunny
 8° /2° 0 mm 0 cm
12 Sept. Overcast
Overcast
 7° /2° 1.7 mm 0.2 cm
13 Sept. Overcast
Overcast
 7° /2° 5.9 mm 0.7 cm
14 Sept. Sunny
Sunny
 8° /2° 3.5 mm 0 cm
15 Sept. Overcast
Overcast
 7° /4° 0.4 mm 0.1 cm
16 Sept. Patchy rain possible
Patchy rain possible
 7° /3° 0.2 mm 0 cm
17 Sept. Patchy rain possible
Patchy rain possible
 4° /2° 1.2 mm 0 cm
18 Sept. Patchy rain possible
Patchy rain possible
 3° /2° 1.9 mm 0.6 cm
19 Sept. Patchy rain possible
Patchy rain possible
 3° /0° 0.5 mm 0.3 cm
20 Sept. Patchy rain possible
Patchy rain possible
 5° /0° 0.2 mm 0.1 cm
21 Sept. Patchy rain possible
Patchy rain possible
 9° /4° 0.6 mm 0 cm
22 Sept. Cloudy
Cloudy
 11° /8° 0 mm 0 cm
23 Sept. Partly cloudy
Partly cloudy
 11° /8° 0 mm 0 cm
24 Sept. Partly cloudy
Partly cloudy
 10° /8° 0 mm 0 cm
25 Sept. Overcast
Overcast
 10° /7° 0 mm 0 cm
26 Sept. Partly cloudy
Partly cloudy
 10° /5° 0 mm 0 cm
27 Sept. Cloudy
Cloudy
 8° /4° 0 mm 0 cm
28 Sept. Patchy rain possible
Patchy rain possible
 9° /8° 0.7 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 2.4 mm 0 cm
30 Sept. Light snow
Light snow
 3° /0° 1.5 mm 0.5 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 126.6 mm is expected in Ísafjörður during September, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Ísafjörður in September 2025?
Ísafjörður experiences an average snowfall of 27.16 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 2025

Track daily snowfall levels and discover Ísafjörður’s snowy potential this September ❄️

September rainfall patterns in Ísafjörður

Explore the daily rainfall trends and prepare for Ísafjörðurs September weather 💧

Quick links

More Ísafjörður weather pages
You are here
Location coordinates Where is Ísafjörður?

Get accurate weather forecasts for Ísafjörður, located at latitude 66.075 and longitude -23.135. Stay updated with localized weather information tailored for Ísafjörður.

Found a mistake?
We appreciate your attention to details. Tell us here.