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 experiences an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit South? check out the best time to travel to South page.
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9
Dry days
21
Rainy days
0
Snow days
10°/5°
Temperatures
20 km/h
Avg max wind
80 %
Avg humidity
South in September average weather
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| 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?
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 204.8 mm is expected in South during September, occurring over more than 21 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 20 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to South in September?
As you prepare for your trip to South 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 South, 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 South
Explore the daily rainfall trends and prepare for Souths September weather 💧
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