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Weather in Grundarfjörður for September 2026

Your guide to Grundarfjörður weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Grundarfjörður during September is quite rare, with fewer than 2 snowy days on average.
    According to Grundarfjörður snow forecast for September 2026, 2 snowy days are expected until the end of the month. The closest date with snow is Saturday, 26 September.

    • Temperatures

  • Until now, September 2026 in Grundarfjörður has been nearly identical to the historical average, with a temperature of 8.9 °C (showing only a slight deviation of 0.2 °C).

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

  • In general, the average temperature in Grundarfjörður at the beginning of September is 9.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 6.9 °C by the end of September.

    • Rain 🌧️

  • Grundarfjörður experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 124.7 mm.

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
8°/5°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Grundarfjörður Weather September

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

Temperatures trend during September in Grundarfjörður

See the weather trend as well as the moving average line

September weather in Grundarfjörður day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Heavy rain at times
Heavy rain at times
 10° /6° 2.6 mm 0 cm
2 Sept. Heavy rain at times
Heavy rain at times
 10° /7° 2.5 mm 0 cm
3 Sept. Cloudy
Cloudy
 9° /6° 0.3 mm 0 cm
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 8.3 mm 0 cm
5 Sept. Moderate rain at times
Moderate rain at times
 10° /6° 9.5 mm 0 cm
6 Sept. Moderate rain at times
Moderate rain at times
 10° /6° 3.6 mm 0 cm
7 Sept. Overcast
Overcast
 9° /6° 3.4 mm 0 cm
8 Sept. Moderate rain at times
Moderate rain at times
 10° /4° 4.9 mm 0 cm
9 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 2.7 mm 0 cm
10 Sept. Overcast
Overcast
 9° /6° 7.5 mm 0 cm
11 Sept. Sunny
Sunny
 9° /5° 1.5 mm 0 cm
12 Sept. Patchy rain possible
Patchy rain possible
 8° /4° 1.5 mm 0 cm
13 Sept. Overcast
Overcast
 9° /4° 1.7 mm 0 cm
14 Sept. Overcast
Overcast
 9° /5° 1 mm 0 cm
15 Sept. Overcast
Overcast
 9° /5° 0.5 mm 0 cm
16 Sept. Heavy rain at times
Heavy rain at times
 9° /4° 14.4 mm 0 cm
17 Sept. Overcast
Overcast
 7° /5° 4.9 mm 0 cm
18 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 7° /4° 6.4 mm 0 cm
19 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 1.9 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 4.6 mm 0 cm
21 Sept. Light rain shower
Light rain shower
 11° /5° 16.5 mm 0 cm
22 Sept. Light rain shower
Light rain shower
 8° /6° 24.1 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 5.5 mm 0 cm
24 Sept. Light rain shower
Light rain shower
 8° /5° 9.8 mm 0 cm
25 Sept. Light rain shower
Light rain shower
 7° /2° 5 mm 0 cm
26 Sept. Light sleet showers
Light sleet showers
 5° /1° 5.1 mm 0.6 cm
27 Sept. Patchy rain possible
Patchy rain possible
 8° /4° 13.3 mm 0 cm
28 Sept. Light rain shower
Light rain shower
 8° /4° 32.9 mm 0 cm
29 Sept. Overcast
Overcast
 4° /3° 2.8 mm 0.9 cm
30 Sept. Light rain shower
Light rain shower
 8° /4° 25.8 mm 0 cm
Next
Important Notice
Our weather forecast for Grundarfjörður 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 Grundarfjörður forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Grundarfjörður in September - FAQ

What are the expected maximum and minimum temperatures in Grundarfjörður during September?
During September, expect a variety of temperatures with highs around 8° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Grundarfjörður during September?
Significant rainfall exceeding 124.7 mm is expected in Grundarfjörður during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Grundarfjörður in September 2026?
Grundarfjörður typically sees 0 cm of snowfall during September.

What are the typical wind conditions in Grundarfjörður during September?
The average wind speed in Grundarfjörður during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

Grundarfjörður snow forecast September 2026

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

September rainfall patterns in Grundarfjörður

Explore the daily rainfall trends and prepare for Grundarfjörðurs September weather 💧
Typically, Grundarfjörður has 22 rainy days in September with a total of 124.7 mm of rainfall.

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Location coordinates Where is Grundarfjörður?

Get accurate weather forecasts for Grundarfjörður, located at latitude 64.924 and longitude -23.263. Stay updated with localized weather information tailored for Grundarfjörður.

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