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Weather in Reykjavíkurborg for September 2025

Your guide to Reykjavíkurborg weather in September - trends and predictions
  • In general, the average temperature in Reykjavíkurborg at the beginning of September is 10.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 7.7 °C by the end of September.

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

  • Is September a good time to visit Reykjavíkurborg? check out the best time to travel to Reykjavíkurborg 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

Reykjavíkurborg in September average weather

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Temperatures trend during September in Reykjavíkurborg

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

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Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
12° /9° 7.3 mm 3
2 Sept. Light rain shower
Light rain shower
11° /8° 10.3 mm 3
3 Sept. Light rain shower
Light rain shower
9° /6° 3.8 mm 3
4 Sept. Light rain shower
Light rain shower
10° /7° 4.3 mm 3
5 Sept. Overcast
Overcast
11° /8° 6.6 mm 3
6 Sept. Light rain shower
Light rain shower
11° /9° 9.6 mm 3
7 Sept. Light rain
Light rain
11° /8° 10.3 mm 3
8 Sept. Light rain shower
Light rain shower
9° /6° 5.1 mm 3
9 Sept. Light rain shower
Light rain shower
7° /4° 2.6 mm 2
10 Sept. Patchy rain possible
Patchy rain possible
7° /5° 0.3 mm 2
11 Sept. Partly cloudy
Partly cloudy
8° /3° 0 mm 3
12 Sept. Overcast
Overcast
8° /4° 0 mm 2
13 Sept. Overcast
Overcast
8° /5° 0 mm 2
14 Sept. Partly cloudy
Partly cloudy
10° /6° 0.1 mm 3
15 Sept. Overcast
Overcast
9° /5° 0.4 mm 3
16 Sept. Moderate rain
Moderate rain
10° /6° 21 mm 3
17 Sept. Light rain shower
Light rain shower
10° /7° 9 mm 3
18 Sept. Partly cloudy
Partly cloudy
10° /5° 12.2 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
9° /5° 0.5 mm 3
20 Sept. Partly cloudy
Partly cloudy
10° /5° 0.2 mm 3
21 Sept. Sunny
Sunny
9° /5° 0 mm 3
22 Sept. Overcast
Overcast
8° /5° 0.6 mm 2
23 Sept. Light drizzle
Light drizzle
8° /5° 1.3 mm 2
24 Sept. Light rain
Light rain
8° /4° 3.2 mm 2
25 Sept. Cloudy
Cloudy
8° /4° 0.1 mm 3
26 Sept. Light rain
Light rain
8° /4° 4.6 mm 2
27 Sept. Light rain
Light rain
8° /4° 2.6 mm 2
28 Sept. Patchy rain possible
Patchy rain possible
8° /5° 0.4 mm 2
29 Sept. Sunny
Sunny
7° /4° 4 mm 3
30 Sept. Light drizzle
Light drizzle
7° /4° 0.6 mm 2
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Important Notice
Our weather forecast for Reykjavíkurborg 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 Reykjavíkurborg forecast closer to your planned date for the most up-to-date weather information.

Reykjavíkurborg in September - FAQ

What are the expected maximum and minimum temperatures in Reykjavíkurborg 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 Reykjavíkurborg during September?
Significant rainfall exceeding 137.8 mm is expected in Reykjavíkurborg during September, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Reykjavíkurborg during September?
Reykjavíkurborg 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 Reykjavíkurborg during September?
The average wind speed in Reykjavíkurborg during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Reykjavíkurborg in September?

As you prepare for your trip to Reykjavíkurborg 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 Reykjavíkurborg, 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
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Location coordinates Where is Reykjavíkurborg?

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

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