Kópavogur
September
Weather in Kópavogur for September 2026
Your guide to Kópavogur weather in September - trends and predictions
Until now, September 2026 in Kópavogur has been nearly identical to the historical average, with a temperature of 9.8 °C (showing only a slight deviation of 0.3 °C).
The forecast for the next days in Kópavogur predicts temperatures to be around 10 °C, close to the historical average.
In general, the average temperature in Kópavogur at the beginning of September is 10.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 9.4 °C by the end of September.
Kópavogur in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 140.1 mm.
Temperatures
Rain 🌧️
14
Dry days
16
Rainy days
0
Snow days
9°/6°
Temperatures
28 km/h
Avg max wind
77 %
Avg humidity
Kópavogur Weather September
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Temperatures trend during September in Kópavogur
See the weather trend as well as the moving average line
September weather in Kópavogur day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light drizzle | 11° /8° | 4.5 mm | 3 | |
| 2 Sept. |  Light rain shower | 12° /8° | 5.7 mm | 2 | |
| 3 Sept. | Light rain shower | 10° /6° | 4.7 mm | 2 | |
| 4 Sept. | Light rain shower | 10° /8° | 4.7 mm | 2 | |
| 5 Sept. |  Overcast | 11° /7° | 4.5 mm | 3 | |
| 6 Sept. | Light rain shower | 11° /8° | 5.8 mm | 3 | |
| 7 Sept. | Light rain | 10° /7° | 8.2 mm | 2 | |
| 8 Sept. | Light rain shower | 10° /6° | 5.4 mm | 2 | |
| 9 Sept. | Light rain shower | 9° /6° | 3.4 mm | 2 | |
| 10 Sept. | Patchy rain possible | 9° /6° | 5.8 mm | 2 | |
| 11 Sept. |  Partly cloudy | 10° /5° | 1.8 mm | 2 | |
| 12 Sept. | Overcast | 9° /5° | 0.3 mm | 2 | |
| 13 Sept. | Overcast | 9° /5° | 2.6 mm | 2 | |
| 14 Sept. | Overcast | 11° /6° | 1.1 mm | 2 | |
| 15 Sept. | Overcast | 10° /6° | 0.3 mm | 2 | |
| 16 Sept. |  Moderate rain | 11° /7° | 19.4 mm | 2 | |
| 17 Sept. | Light rain shower | 9° /6° | 6.1 mm | 2 | |
| 18 Sept. | Partly cloudy | 9° /5° | 6.9 mm | 3 | |
| 19 Sept. | Light rain shower | 9° /8° | 4.8 mm | 1.1 | |
| 20 Sept. | Patchy rain possible | 10° /8° | 1.3 mm | 1.3 | |
| 21 Sept. | Light rain shower | 11° /9° | 8.3 mm | 0.8 | |
| 22 Sept. | Light rain shower | 10° /8° | 9.5 mm | 2 | |
| 23 Sept. | Light rain shower | 9° /8° | 5.8 mm | 3 | |
| 24 Sept. | Light rain shower | 10° /8° | 14.7 mm | 3 | |
| 25 Sept. | Patchy rain possible | 8° /6° | 1.4 mm | 2 | |
| 26 Sept. | Patchy rain possible | 8° /7° | 3.3 mm | 2 | |
| 27 Sept. | Patchy rain possible | 11° /7° | 14.3 mm | 2 | |
| 28 Sept. | Light rain shower | 11° /8° | 17 mm | 3 | |
| 29 Sept. | Patchy rain possible | 8° /5° | 0.6 mm | 2 | |
| 30 Sept. | Light rain shower | 10° /7° | 26 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Kópavogur 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 Kópavogur forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kópavogur in September - FAQ
What are the expected maximum and minimum temperatures in Kópavogur 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 Kópavogur during September?
Significant rainfall exceeding 140.1 mm is expected in Kópavogur during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Kópavogur in September 2026?
Kópavogur typically sees 0 cm of snowfall during September.
What are the typical wind conditions in Kópavogur during September?
The average wind speed in Kópavogur during September is 28 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Kópavogur
Explore the daily rainfall trends and prepare for Kópavogurs September weather 💧
Typically, Kópavogur has 16 rainy days in September with a total of 140.1 mm of rainfall.
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Where is Kópavogur?Get accurate weather forecasts for Kópavogur, located at latitude 64.112 and longitude -21.913. Stay updated with localized weather information tailored for Kópavogur.
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