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Weather in Reykjanesbær for September 2025

Your guide to Reykjanesbær weather in September - trends and predictions
  • In general, the average temperature in Reykjanesbær at the beginning of September is 10.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 8 °C by the end of September.

  • Expect significant rainfall in Reykjanesbær during September, with an average of 20 rainy days.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/8°
Temperatures
Average wind speed
39 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Reykjanesbær in September average weather

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Temperatures trend during September in Reykjanesbær

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. Light rain shower
Light rain shower
11° /9° 2.8 mm 3
2 Sept. Patchy rain possible
Patchy rain possible
10° /9° 1.7 mm 3
3 Sept. Cloudy
Cloudy
9° /8° 0 mm 2
4 Sept. Light rain
Light rain
10° /7° 5.5 mm 3
5 Sept. Light drizzle
Light drizzle
12° /9° 4.3 mm 3
6 Sept. Light rain
Light rain
11° /10° 5.8 mm 3
7 Sept. Moderate rain
Moderate rain
11° /9° 12.4 mm 3
8 Sept. Light rain shower
Light rain shower
10° /7° 5.4 mm 3
9 Sept. Light rain shower
Light rain shower
8° /6° 1.4 mm 3
10 Sept. Overcast
Overcast
8° /6° 0 mm 2
11 Sept. Cloudy
Cloudy
8° /6° 0.1 mm 3
12 Sept. Overcast
Overcast
10° /7° 0.1 mm 3
13 Sept. Overcast
Overcast
9° /7° 0 mm 2
14 Sept. Cloudy
Cloudy
9° /7° 0.2 mm 3
15 Sept. Cloudy
Cloudy
9° /7° 0.2 mm 3
16 Sept. Light rain shower
Light rain shower
11° /7° 24.2 mm 3
17 Sept. Light rain shower
Light rain shower
10° /7° 5.5 mm 3
18 Sept. Partly cloudy
Partly cloudy
11° /7° 6.4 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
9° /7° 0.5 mm 3
20 Sept. Partly cloudy
Partly cloudy
10° /6° 0.6 mm 3
21 Sept. Sunny
Sunny
9° /7° 0.1 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
9° /6° 0.7 mm 2
23 Sept. Light rain
Light rain
9° /7° 1.5 mm 2
24 Sept. Light rain
Light rain
8° /5° 3.9 mm 2
25 Sept. Overcast
Overcast
8° /5° 0.2 mm 3
26 Sept. Light rain
Light rain
8° /6° 6.9 mm 2
27 Sept. Light rain shower
Light rain shower
8° /6° 2.8 mm 3
28 Sept. Light drizzle
Light drizzle
8° /6° 1.7 mm 2
29 Sept. Partly cloudy
Partly cloudy
8° /6° 5.4 mm 3
30 Sept. Light drizzle
Light drizzle
8° /5° 1.4 mm 3
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Important Notice
Our weather forecast for Reykjanesbær 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 Reykjanesbær forecast closer to your planned date for the most up-to-date weather information.

Reykjanesbær in September - FAQ

What are the expected maximum and minimum temperatures in Reykjanesbær during September?
During September, expect a variety of temperatures with highs around 10° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Reykjanesbær during September?
Significant rainfall exceeding 126 mm is expected in Reykjanesbær during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Reykjanesbær during September?
The average wind speed in Reykjanesbær during September is 39 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Reykjanesbær in September?

As you prepare for your trip to Reykjanesbær 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 Reykjanesbær, 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

September rainfall patterns in Reykjanesbær

Explore the daily rainfall trends and prepare for Reykjanesbærs September weather 💧
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Location coordinates Where is Reykjanesbær?

Get accurate weather forecasts for Reykjanesbær, located at latitude 64.005 and longitude -22.562. Stay updated with localized weather information tailored for Reykjanesbær.

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