South (Vík í Mýrdal)
September
Weather in South for September 2025
Your guide to South weather in September - trends and predictions
In general, the average temperature in South at the beginning of September is 12.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.3 °C by the end of September.
South in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 179.6 mm.
Temperatures
Rain 🌧️
10
Dry days
20
Rainy days
0
Snow days
9°/4°
Temperatures
21 km/h
Avg max wind
78 %
Avg humidity
South in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2  10° | 3  14° | 4 10° | 5  14° | 6 12° | 7 14° |
| 8 11° | 9 10° | 10 8° | 11 8° | 12 10° | 13  8° | 14 8° |
| 15 9° | 16 9° | 17 10° | 18 11° | 19 10° | 20 10° | 21  9° |
| 22 8° | 23 5° | 24  7° | 25 9° | 26 7° | 27 7° | 28 6° |
| 29 8° | 30 7° |
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Temperatures trend during September in South
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. | Moderate rain | 11° /8° | 20.6 mm | 3 | |
| 2 Sept. | Light rain shower | 10° /7° | 4.5 mm | 3 | |
| 3 Sept. | Cloudy | 14° /7° | 0.1 mm | 3 | |
| 4 Sept. | Patchy rain possible | 10° /5° | 0.3 mm | 3 | |
| 5 Sept. | Partly cloudy | 14° /5° | 3.8 mm | 4 | |
| 6 Sept. | Moderate rain | 12° /6° | 6.9 mm | 3 | |
| 7 Sept. | Light rain shower | 14° /6° | 12.9 mm | 3 | |
| 8 Sept. | Light rain shower | 11° /5° | 5.1 mm | 3 | |
| 9 Sept. | Light rain shower | 10° /3° | 0.8 mm | 3 | |
| 10 Sept. | Light rain shower | 8° /4° | 3.6 mm | 2 | |
| 11 Sept. | Light rain shower | 8° /2° | 0.4 mm | 3 | |
| 12 Sept. | Partly cloudy | 10° /1° | 0 mm | 4 | |
| 13 Sept. | Overcast | 8° /2° | 0 mm | 2 | |
| 14 Sept. | Overcast | 8° /2° | 3.5 mm | 3 | |
| 15 Sept. | Overcast | 9° /3° | 0 mm | 3 | |
| 16 Sept. | Light rain shower | 9° /3° | 20.8 mm | 3 | |
| 17 Sept. | Light rain shower | 10° /6° | 14.6 mm | 3 | |
| 18 Sept. | Cloudy | 11° /6° | 16.5 mm | 3 | |
| 19 Sept. | Patchy rain possible | 10° /5° | 1.8 mm | 3 | |
| 20 Sept. | Cloudy | 10° /4° | 0 mm | 3 | |
| 21 Sept. | Sunny | 9° /3° | 0 mm | 3 | |
| 22 Sept. | Patchy rain possible | 8° /2° | 0.9 mm | 2 | |
| 23 Sept. | Light rain shower | 5° /2° | 19.8 mm | 2 | |
| 24 Sept. | Light drizzle | 7° /3° | 1.7 mm | 2 | |
| 25 Sept. | Light drizzle | 9° /3° | 2.5 mm | 3 | |
| 26 Sept. | Light rain | 7° /3° | 7.8 mm | 2 | |
| 27 Sept. | Light rain shower | 7° /3° | 7.5 mm | 2 | |
| 28 Sept. | Patchy rain possible | 6° /2° | 18.2 mm | 2 | |
| 29 Sept. | Partly cloudy | 8° /4° | 2.5 mm | 3 | |
| 30 Sept. | Light drizzle | 7° /1° | 2.5 mm | 2 | |
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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.
South in September - FAQ
What are the expected maximum and minimum temperatures in South during September?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 4°.
How much rainfall should be expected in South during September?
Significant rainfall exceeding 179.6 mm is expected in South during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
Will it snow in South in September 2025?
South typically sees 0 cm of snowfall during September.
What are the typical wind conditions in South during September?
The average wind speed in South during September is 21 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 💧
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