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Weather in Streymoy for September 2025

Your guide to Streymoy weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Streymoy during September is quite rare, with fewer than 2 snowy days on average.
    According to Streymoy snow forecast for September 2025, no snow is expected until the end of the month.

    • Temperatures

  • So far, September 2025 in Streymoy is slightly warmer than the historical average by 0.6 °C.

  • The forecast for the next days in Streymoy predicts temperatures to be around 11 °C, close to the historical average.

  • In general, the average temperature in Streymoy at the beginning of September is 11.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 11.6 °C by the end of September.

    • Rain 🌧️

  • Streymoy experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 143 mm.

Average dry days
8
Dry days
Average rainy days
21
Rainy days
Average snowy days
1
Snow days
Average temperatures
10°/8°
Temperatures
Average wind speed
35 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Streymoy Weather September

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

Temperatures trend during September in Streymoy

See the weather trend as well as the moving average line

September weather in Streymoy day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 11° /10° 1.3 mm 3
2 Sept. Moderate rain
Moderate rain
 12° /10° 9.8 mm 3
3 Sept. Light rain shower
Light rain shower
 12° /9° 0.8 mm 3
4 Sept. Partly cloudy
Partly cloudy
 11° /9° 1.5 mm 4
5 Sept. Partly cloudy
Partly cloudy
 11° /9° 1 mm 4
6 Sept. Fog
Fog
 12° /10° 1.3 mm 3
7 Sept. Light rain shower
Light rain shower
 13° /10° 1.2 mm 3
8 Sept. Patchy rain possible
Patchy rain possible
 12° /10° 0.9 mm 3
9 Sept. Moderate rain
Moderate rain
 11° /9° 6.4 mm 3
10 Sept. Patchy rain possible
Patchy rain possible
 11° /9° 1.6 mm 3
11 Sept. Light rain shower
Light rain shower
 10° /7° 2.5 mm 3
12 Sept. Overcast
Overcast
 9° /6° 2.4 mm 2
13 Sept. Patchy rain possible
Patchy rain possible
 10° /7° 0.4 mm 3
14 Sept. Overcast
Overcast
 11° /9° 10.2 mm 3
15 Sept. Overcast
Overcast
 10° /8° 1.2 mm 3
16 Sept. Light rain shower
Light rain shower
 10° /6° 5.5 mm 3
17 Sept. Moderate rain
Moderate rain
 11° /9° 8.2 mm 0.3
18 Sept. Moderate rain
Moderate rain
 11° /10° 19.7 mm 0.1
19 Sept. Patchy rain possible
Patchy rain possible
 10° /8° 2.5 mm 0.3
20 Sept. Patchy rain possible
Patchy rain possible
 8° /7° 1.9 mm 0.3
21 Sept. Patchy rain possible
Patchy rain possible
 10° /7° 0.2 mm 2
22 Sept. Patchy rain possible
Patchy rain possible
 12° /9° 0.2 mm 3
23 Sept. Partly cloudy
Partly cloudy
 12° /10° 0 mm 4
24 Sept. Cloudy
Cloudy
 11° /9° 0 mm 3
25 Sept. Partly cloudy
Partly cloudy
 12° /10° 0 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 12° /11° 0.1 mm 3
27 Sept. Overcast
Overcast
 12° /11° 0 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 12° /11° 1.1 mm 3
29 Sept. Moderate rain
Moderate rain
 12° /10° 8.3 mm 3
30 Sept. Overcast
Overcast
 10° /7° 0.7 mm 3
Next
Important Notice
Our weather forecast for Streymoy 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 Streymoy forecast closer to your planned date for the most up-to-date weather information.
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Streymoy in September - FAQ

What are the expected maximum and minimum temperatures in Streymoy during September?
During September, expect a variety of temperatures with highs around 10° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Streymoy during September?
Significant rainfall exceeding 143 mm is expected in Streymoy during September, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Streymoy in September 2025?
Streymoy typically sees 0.145 cm of snowfall during September.
What are the typical wind conditions in Streymoy during September?
The average wind speed in Streymoy during September is 35 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Streymoy

Explore the daily rainfall trends and prepare for Streymoys September weather 💧
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Location coordinates Where is Streymoy?

Get accurate weather forecasts for Streymoy, located at latitude 62.01 and longitude -6.772. Stay updated with localized weather information tailored for Streymoy.

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