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Iceland weather

Weather in South for September 2027

Your guide to South weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in South at the beginning of September is 12 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.3 °C by the end of September.

    • Rain 🌧️

  • South in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 249.9 mm.

    • More

  • Is September a good time to visit South? check out the best time to travel to South page.

Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/5°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
79 %
Avg humidity

South Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate rain
12°
2
Light rain
10°
3
Patchy rain possible
12°
4
Patchy rain possible
12°
5
Light rain
13°
6
Moderate rain
12°
7
Moderate rain
13°
8
Light rain
12°
9
Light rain
11°
10
Moderate rain
10°
11
Light rain
10°
12
Partly cloudy
11°
13
Moderate rain
9°
14
Light rain
10°
15
Overcast
11°
16
Moderate rain
9°
17
Light rain
10°
18
Light rain
9°
19
Patchy rain possible
9°
20
Cloudy
10°
21
Light rain
9°
22
Patchy rain possible
9°
23
Moderate rain
7°
24
Moderate rain
8°
25
Moderate rain
10°
26
Moderate rain
8°
27
Light rain
8°
28
Light rain
8°
29
Moderate rain
9°
30
Moderate rain
9°

What’s the Weather Like in South This September?

Discover the average temperatures and weather trends across South’s cities this September.
Patchy rain possibleVík í Mýrdal10 °C / 5 °CPatchy rain possibleHella9 °C / 6 °CMore Locations

Temperatures trend during September in South

See the weather trend as well as the moving average line

September weather in South day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate rain
Moderate rain
 12° /8° 9.8 mm 2
2 Sept. Light rain
Light rain
 10° /7° 3.1 mm 2
3 Sept. Patchy rain possible
Patchy rain possible
 12° /7° 1.3 mm 2
4 Sept. Patchy rain possible
Patchy rain possible
 12° /7° 2 mm 2
5 Sept. Light rain
Light rain
 13° /6° 5 mm 2.8
6 Sept. Moderate rain
Moderate rain
 12° /6° 5 mm 2
7 Sept. Moderate rain
Moderate rain
 13° /7° 14.9 mm 2.7
8 Sept. Light rain
Light rain
 12° /7° 3.8 mm 2.6
9 Sept. Light rain
Light rain
 11° /4° 3.2 mm 2
10 Sept. Moderate rain
Moderate rain
 10° /6° 14.9 mm 2
11 Sept. Light rain
Light rain
 10° /5° 2.7 mm 2
12 Sept. Partly cloudy
Partly cloudy
 11° /3° 0.2 mm 2.3
13 Sept. Moderate rain
Moderate rain
 9° /4° 18.4 mm 2
14 Sept. Light rain
Light rain
 10° /5° 5.8 mm 2
15 Sept. Overcast
Overcast
 11° /5° 0.1 mm 2.1
16 Sept. Moderate rain
Moderate rain
 9° /5° 21.4 mm 2
17 Sept. Light rain
Light rain
 10° /5° 7.6 mm 2
18 Sept. Light rain
Light rain
 9° /5° 9.3 mm 1.9
19 Sept. Patchy rain possible
Patchy rain possible
 9° /4° 1.6 mm 1.9
20 Sept. Cloudy
Cloudy
 10° /4° 0 mm 1.8
21 Sept. Light rain
Light rain
 9° /3° 7.8 mm 1.8
22 Sept. Patchy rain possible
Patchy rain possible
 9° /3° 2.1 mm 1.7
23 Sept. Moderate rain
Moderate rain
 7° /4° 18.4 mm 1.6
24 Sept. Moderate rain
Moderate rain
 8° /4° 17.9 mm 1.6
25 Sept. Moderate rain
Moderate rain
 10° /5° 14.4 mm 1.5
26 Sept. Moderate rain
Moderate rain
 8° /5° 11.7 mm 1.5
27 Sept. Light rain
Light rain
 8° /5° 6.1 mm 1.4
28 Sept. Light rain
Light rain
 8° /3° 9.5 mm 1
29 Sept. Moderate rain
Moderate rain
 9° /4° 19.3 mm 1.3
30 Sept. Moderate rain
Moderate rain
 9° /5° 12.6 mm 1.3
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
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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 249.9 mm is expected in South during September, occurring over more than 17 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 23 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 17 rainy days in September with a total of 249.9 mm of rainfall.
Provinces in South
Select a province for an accurate weather forecast
MýrdalshreppurRangárþing Ytra
Top locations in South
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HellaVík í Mýrdal
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