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Iceland weather

Weather in Iceland for September 2024

Your guide to Iceland weather in September - trends and predictions

  • Until now, September 2024 in Iceland is slightly cooler than the historical average by -0.9 °C.

  • The forecast for the next days in Iceland predicts temperatures to be around 6 °C, close to the historical average.

  • In general, the average temperature in Iceland at the beginning of September is 10.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5.1 °C by the end of September.

  • Expect significant rainfall in Iceland during September, with an average of 19 rainy days.

  • Is September a good time to visit Iceland? check out the best time to travel to Iceland page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/7°
Temperatures
Average wind speed
29 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Iceland in September average weather

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

See the weather trend as well as the moving average line
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September weather day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Overcast
Overcast
 12° /9° 7.3 mm 0 cm
2 Sept. Light rain shower
Light rain shower
 11° /8° 10.3 mm 0 cm
3 Sept. Light rain shower
Light rain shower
 9° /6° 3.8 mm 0 cm
4 Sept. Light rain shower
Light rain shower
 10° /7° 4.3 mm 0 cm
5 Sept. Overcast
Overcast
 11° /8° 6.6 mm 0 cm
6 Sept. Light rain shower
Light rain shower
 11° /9° 9.6 mm 0 cm
7 Sept. Light rain
Light rain
 11° /8° 10.3 mm 0 cm
8 Sept. Light rain shower
Light rain shower
 9° /6° 5.1 mm 0 cm
9 Sept. Light rain shower
Light rain shower
 7° /4° 2.6 mm 0 cm
10 Sept. Patchy rain possible
Patchy rain possible
 7° /5° 0.3 mm 0 cm
11 Sept. Partly cloudy
Partly cloudy
 8° /3° 0 mm 0 cm
12 Sept. Overcast
Overcast
 8° /4° 0 mm 0 cm
13 Sept. Overcast
Overcast
 8° /5° 0 mm 0 cm
14 Sept. Partly cloudy
Partly cloudy
 10° /6° 0.1 mm 0 cm
15 Sept. Overcast
Overcast
 9° /5° 0.4 mm 0 cm
16 Sept. Moderate rain
Moderate rain
 10° /6° 21 mm 0 cm
17 Sept. Light rain shower
Light rain shower
 10° /7° 9 mm 0 cm
18 Sept. Partly cloudy
Partly cloudy
 10° /5° 1.8 mm 0 cm
19 Sept. Cloudy
Cloudy
 8° /4° 0 mm 0 cm
20 Sept. Patchy rain possible
Patchy rain possible
 9° /5° 0.5 mm 0 cm
21 Sept. Patchy rain possible
Patchy rain possible
 10° /9° 1.4 mm 0 cm
22 Sept. Moderate rain
Moderate rain
 9° /3° 5.1 mm 0 cm
23 Sept. Sunny
Sunny
 6° /1° 0 mm 0 cm
24 Sept. Sunny
Sunny
 6° /2° 0 mm 0 cm
25 Sept. Sunny
Sunny
 7° /2° 0 mm 0 cm
26 Sept. Partly cloudy
Partly cloudy
 7° /2° 0 mm 0 cm
27 Sept. Sunny
Sunny
 7° /2° 0 mm 0 cm
28 Sept. Patchy rain possible
Patchy rain possible
 3° /1° 0.6 mm 0.2 cm
29 Sept. Sunny
Sunny
 2° /-1° 0 mm 0 cm
30 Sept. Sunny
Sunny
 4° /-2° 0 mm 0 cm
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Important Notice
Our weather forecast for Iceland 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 Iceland forecast closer to your planned date for the most up-to-date weather information.

Guide for Iceland in September

In September, Iceland experiences a transition from the lingering warmth of summer to the crisp coolness of autumn. At the beginning of the month, the weather in Iceland is characterized by mild temperatures and relatively stable conditions.

In Reykjavik, the capital city, the average temperature hovers around 10°, with occasional showers and partly cloudy skies. As the month progresses, the temperatures gradually begin to drop, and by the end of September, the average temperature in Reykjavik decreases to around 8°.

The weather becomes more unpredictable, with increased chances of rain and stronger winds.

In the countryside, particularly in the highlands, the weather can be more variable, with the possibility of early snowfall in some areas towards the end of the month. Travelers visiting Iceland in September should be prepared for changing weather conditions and pack layers to stay warm and dry.

Despite the cooler temperatures, September is still a great time to visit Iceland, as the landscapes are adorned with the vibrant colors of autumn, and the tourist crowds begin to thin out, allowing for a more intimate experience of this stunning country.

Iceland in September - FAQ

Is September a good time to visit Iceland?
You can travel to Iceland in September, but there are probably better months doing so, read more about the best time to visit Iceland
What are the expected maximum and minimum temperatures in Iceland during September?
During September, expect a variety of temperatures with highs around 9° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in Iceland during September?
Significant rainfall exceeding 137.8 mm is expected in Iceland during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Iceland during September?
Iceland experiences an average snowfall of 0 cm during September, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Iceland during September?
The average wind speed in Iceland during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Iceland in September?

As you prepare for your trip to Iceland 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 Iceland, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • 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
Regions in Iceland
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Capital RegionNortheastSouthSouthern PeninsulaWestfjords
Top locations in Iceland
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Location coordinates Where is Iceland?

Get accurate weather forecasts for Iceland, located at latitude 64.135 and longitude -21.895. Stay updated with localized weather information tailored for Iceland.

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