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Capital Region (Reykjavík)
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Weather in Capital Region for September 2027

Your guide to Capital Region weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Capital Region at the beginning of September is 11.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.1 °C by the end of September.

    • Rain 🌧️

  • Capital Region in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 149.2 mm.

    • More

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

Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
10°/6°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Capital Region Weather September

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

What’s the Weather Like in Capital Region This September?

Discover the average temperatures and weather trends across Capital Region’s cities this September.
Patchy rain possibleReykjavík10 °C / 6 °CPatchy rain possibleKópavogur9 °C / 6 °CMore Locations

Temperatures trend during September in Capital Region

See the weather trend as well as the moving average line

September weather in Capital Region day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain
Light rain
 11° /9° 4.1 mm 3
2 Sept. Light rain
Light rain
 13° /9° 3.9 mm 2.9
3 Sept. Light rain
Light rain
 11° /7° 3.9 mm 2.8
4 Sept. Moderate rain at times
Moderate rain at times
 11° /9° 5 mm 2.8
5 Sept. Light rain
Light rain
 11° /8° 4.1 mm 2.7
6 Sept. Light rain
Light rain
 12° /9° 4.6 mm 2.6
7 Sept. Light rain
Light rain
 11° /7° 5.5 mm 2.6
8 Sept. Light rain
Light rain
 11° /8° 3.8 mm 2.5
9 Sept. Light rain
Light rain
 9° /7° 8.3 mm 2
10 Sept. Light rain
Light rain
 10° /7° 5.4 mm 2
11 Sept. Patchy rain possible
Patchy rain possible
 10° /6° 1.6 mm 2
12 Sept. Light rain
Light rain
 10° /6° 4.3 mm 2
13 Sept. Light rain
Light rain
 10° /6° 4.3 mm 2
14 Sept. Patchy rain possible
Patchy rain possible
 10° /7° 1.1 mm 2.1
15 Sept. Patchy rain possible
Patchy rain possible
 10° /6° 1 mm 2
16 Sept. Moderate rain
Moderate rain
 11° /7° 13.4 mm 2
17 Sept. Light rain
Light rain
 9° /7° 4.1 mm 1.9
18 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 7.6 mm 1.8
19 Sept. Light rain
Light rain
 9° /7° 2.7 mm 1.8
20 Sept. Light rain
Light rain
 10° /6° 3.4 mm 1.7
21 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /6° 8.2 mm 1.6
22 Sept. Patchy rain possible
Patchy rain possible
 8° /6° 1.9 mm 1.6
23 Sept. Light rain
Light rain
 8° /6° 7.2 mm 1.5
24 Sept. Light rain
Light rain
 9° /6° 8 mm 1.5
25 Sept. Light rain
Light rain
 9° /5° 4.5 mm 1.4
26 Sept. Light rain
Light rain
 8° /4° 6.1 mm 1.4
27 Sept. Patchy rain possible
Patchy rain possible
 8° /4° 1.8 mm 1.3
28 Sept. Patchy rain possible
Patchy rain possible
 7° /5° 1.7 mm 1.3
29 Sept. Moderate rain
Moderate rain
 9° /5° 13 mm 1.2
30 Sept. Light rain
Light rain
 9° /6° 4.5 mm 1.2
Next
Important Notice
Our weather forecast for Capital Region 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 Capital Region forecast closer to your planned date for the most up-to-date weather information.
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Capital Region in September - FAQ

What are the expected maximum and minimum temperatures in Capital Region during September?
During September, expect a variety of temperatures with highs around 10° and lows near 6°, suitable for diverse activities and preferences.

How much rainfall should be expected in Capital Region during September?
Significant rainfall exceeding 149.2 mm is expected in Capital Region during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Capital Region in September 2027?
Capital Region typically sees 0 cm of snowfall during September.

What are the typical wind conditions in Capital Region during September?
The average wind speed in Capital Region during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Capital Region

Explore the daily rainfall trends and prepare for Capital Regions September weather 💧
Typically, Capital Region has 17 rainy days in September with a total of 149.2 mm of rainfall.
Provinces in Capital Region
Select a province for an accurate weather forecast
KópavogsbærReykjavíkurborg
Top locations in Capital Region
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KópavogurReykjavík
More Locations
Quick links
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