Kópavogsbær (Kópavogur)
September
Weather in Kópavogsbær for September 2025
Your guide to Kópavogsbær weather in September - trends and predictions
In general, the average temperature in Kópavogsbær 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.
Kópavogsbær in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 121 mm.
Temperatures
Rain 🌧️
13
Dry days
17
Rainy days
0
Snow days
9°/6°
Temperatures
28 km/h
Avg max wind
76 %
Avg humidity
Kópavogsbær in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  11° | 3 9° | 4 10° | 5 11° | 6 11° | 7  11° |
| 8 9° | 9 7° | 10 7° | 11  8° | 12 8° | 13 8° | 14 10° |
| 15 9° | 16  10° | 17 10° | 18 10° | 19 9° | 20 10° | 21  9° |
| 22 8° | 23 8° | 24 8° | 25  8° | 26 8° | 27 8° | 28 8° |
| 29 7° | 30 7° |
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Temperatures trend during September in Kópavogsbær
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 12° /9° | 7.3 mm | 3 | |
| 2 Sept. | Light rain shower | 11° /8° | 10.3 mm | 3 | |
| 3 Sept. | Light rain shower | 9° /6° | 3.8 mm | 3 | |
| 4 Sept. | Light rain shower | 10° /7° | 4.3 mm | 3 | |
| 5 Sept. | Overcast | 11° /8° | 6.6 mm | 3 | |
| 6 Sept. | Light rain shower | 11° /9° | 9.6 mm | 3 | |
| 7 Sept. | Light rain | 11° /8° | 10.3 mm | 3 | |
| 8 Sept. | Light rain shower | 9° /6° | 5.1 mm | 3 | |
| 9 Sept. | Light rain shower | 7° /4° | 2.6 mm | 2 | |
| 10 Sept. | Patchy rain possible | 7° /5° | 0.3 mm | 2 | |
| 11 Sept. | Partly cloudy | 8° /3° | 0 mm | 3 | |
| 12 Sept. | Overcast | 8° /4° | 0 mm | 2 | |
| 13 Sept. | Overcast | 8° /5° | 0 mm | 2 | |
| 14 Sept. | Partly cloudy | 10° /6° | 0.1 mm | 3 | |
| 15 Sept. | Overcast | 9° /5° | 0.4 mm | 3 | |
| 16 Sept. | Moderate rain | 10° /6° | 21 mm | 3 | |
| 17 Sept. | Light rain shower | 10° /7° | 9 mm | 3 | |
| 18 Sept. | Partly cloudy | 10° /5° | 12.2 mm | 4 | |
| 19 Sept. | Patchy rain possible | 9° /5° | 0.5 mm | 3 | |
| 20 Sept. | Partly cloudy | 10° /5° | 0.2 mm | 3 | |
| 21 Sept. | Sunny | 9° /5° | 0 mm | 3 | |
| 22 Sept. | Overcast | 8° /5° | 0.6 mm | 2 | |
| 23 Sept. | Light drizzle | 8° /5° | 1.3 mm | 2 | |
| 24 Sept. | Light rain | 8° /4° | 3.2 mm | 2 | |
| 25 Sept. | Cloudy | 8° /4° | 0.1 mm | 3 | |
| 26 Sept. | Light rain | 8° /4° | 4.6 mm | 2 | |
| 27 Sept. | Light rain | 8° /4° | 2.6 mm | 2 | |
| 28 Sept. | Patchy rain possible | 8° /5° | 0.4 mm | 2 | |
| 29 Sept. | Sunny | 7° /4° | 4 mm | 3 | |
| 30 Sept. | Light drizzle | 7° /4° | 0.6 mm | 2 | |
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Important Notice
Our weather forecast for Kópavogsbær 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 Kópavogsbær forecast closer to your planned date for the most up-to-date weather information.
Kópavogsbær in September - FAQ
What are the expected maximum and minimum temperatures in Kópavogsbær during September?
During September, expect a variety of temperatures with highs around 9° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Kópavogsbær during September?
Significant rainfall exceeding 121 mm is expected in Kópavogsbær during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Kópavogsbær in September 2025?
Kópavogsbær typically sees 0.005 cm of snowfall during September.
What are the typical wind conditions in Kópavogsbær during September?
The average wind speed in Kópavogsbær during September is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kópavogsbær
Explore the daily rainfall trends and prepare for Kópavogsbærs September weather 💧
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