South (Vík í Mýrdal)
September
Weather in South for September 2026
Your guide to South weather in September - trends and predictions
Until now, September 2026 in South has been nearly identical to the historical average, with a temperature of 10.9 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in South predicts temperatures to be around 7 °C, close to the historical average.
In general, the average temperature in South at the beginning of September is 12.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 6.4 °C by the end of September.
South experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 227.3 mm.
Temperatures
Rain 🌧️
6
Dry days
24
Rainy days
0
Snow days
10°/5°
Temperatures
22 km/h
Avg max wind
78 %
Avg humidity
South Weather September
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What’s the Weather Like in South This September?
Discover the average temperatures and weather trends across South’s cities this September.
Temperatures trend during September in South
See the weather trend as well as the moving average line
September weather in South day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain | 12° /8° | 9.8 mm | 2 | |
| 2 Sept. |  Patchy rain possible | 11° /7° | 3.1 mm | 2 | |
| 3 Sept. | Patchy rain possible | 12° /7° | 1.3 mm | 2 | |
| 4 Sept. | Patchy rain possible | 12° /6° | 2 mm | 2 | |
| 5 Sept. |  Partly cloudy | 13° /6° | 5 mm | 3 | |
| 6 Sept. | Moderate rain | 12° /6° | 5 mm | 2 | |
| 7 Sept. | Light rain shower | 14° /7° | 14.9 mm | 3 | |
| 8 Sept. | Light rain shower | 12° /6° | 3.8 mm | 3 | |
| 9 Sept. | Light rain shower | 11° /4° | 3.2 mm | 2 | |
| 10 Sept. | Light rain shower | 10° /5° | 14.9 mm | 2 | |
| 11 Sept. | Light rain shower | 10° /4° | 2.7 mm | 2 | |
| 12 Sept. | Partly cloudy | 11° /3° | 0.2 mm | 3 | |
| 13 Sept. |  Overcast | 9° /3° | 18.4 mm | 2 | |
| 14 Sept. | Overcast | 10° /5° | 5.8 mm | 2 | |
| 15 Sept. | Overcast | 11° /5° | 0.1 mm | 3 | |
| 16 Sept. | Light rain shower | 10° /5° | 21.4 mm | 2 | |
| 17 Sept. | Light rain shower | 10° /5° | 7.6 mm | 2 | |
| 18 Sept. |  Cloudy | 10° /4° | 9.3 mm | 2 | |
| 19 Sept. | Patchy rain possible | 9° /3° | 1.2 mm | 3 | |
| 20 Sept. | Overcast | 7° /5° | 0.1 mm | 1.5 | |
| 21 Sept. | Light rain shower | 8° /5° | 25.4 mm | 0.2 | |
| 22 Sept. | Light rain shower | 6° /4° | 9.7 mm | 1 | |
| 23 Sept. | Light rain shower | 6° /3° | 5.7 mm | 2 | |
| 24 Sept. | Light rain shower | 6° /5° | 45.5 mm | 2 | |
| 25 Sept. | Light rain shower | 6° /4° | 6.9 mm | 2 | |
| 26 Sept. | Light rain shower | 5° /3° | 6.3 mm | 1 | |
| 27 Sept. | Patchy rain possible | 8° /3° | 28.5 mm | 2 | |
| 28 Sept. | Light rain shower | 7° /6° | 20 mm | 2 | |
| 29 Sept. | Patchy rain possible | 7° /4° | 2.3 mm | 2 | |
| 30 Sept. |  Moderate or heavy rain shower | 6° /4° | 34.2 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for South 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 South forecast closer to your planned date for the most up-to-date weather information.
Change Month
South in September - FAQ
What are the expected maximum and minimum temperatures in South during September?
During September, expect a variety of temperatures with highs around 10° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in South during September?
Significant rainfall exceeding 227.3 mm is expected in South during September, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in South during September?
The average wind speed in South during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in South
Explore the daily rainfall trends and prepare for Souths September weather 💧
Typically, South has 24 rainy days in September with a total of 227.3 mm of rainfall.
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