Weather in Selfoss in september 2025

The weather in Selfoss in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

bad weather 13.5cm

Weather at 6am
45°F

Partly Cloudy

24%

Clear/Sunny

16%

Moderate rain at times

13%

Weather at 12pm
50°F

Moderate rain at times

23%

Partly Cloudy

21%

Clear/Sunny

16%

Weather at 6pm
50°F

Partly Cloudy

17%

Cloudy

14%

Clear/Sunny

14%

Weather at 3am
45°F

Moderate rain at times

35%

Clear/Sunny

17%

Cloudy

16%

Heavy rain

16%



Evolution of daily average temperature and precipitation in Selfoss in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Selfoss in september.


The climate of Selfoss in september is bad

In september in Selfoss, the climate is wet (with 8.9in of rainfall over 13 days). The weather is worst than the previous month since in august there is an average of 6.1in of rainfall over 9 days.

The climate is fairly fresh there this month, but it is livable by dressing warm. Temperatures are up to 52°F. In the morning the temperature drops to 45°F. Thus, the mean temperature average in september in Selfoss is 49°F. Note that these seasonal averages are in contrast with those observed in Selfoss in september with a maximum record of 61°F in 2010 and a minimum record of 31°F in 2020.

On this month of september, day length in Selfoss is generally 13:01. The sun rises at 06:48 and sets at 19:49.

With a bad climate, september is not recommended to go in this city in Iceland.



Seasonal average climate and temperature of Selfoss in september

Check below seasonal norms These datas are compiled from the weather statements of the past years of september.

September
Outside temperature
Average temperature 49°F
Highest temperature 52°F
Lowest temperature 45°F
Highest record temperature 61°F
(2010)
Lowest record temperature 31°F
(2020)
Number of days at +65°F 0 day(s)
(0%)
Number of days at -32°F 0 day(s)
(0%)
Wind
Wind speed 26km/h
Wind temperature 38°F
Precipitation (rainfall)
Rainfall 8.9in
Number of days with rainfall 13 day(s)
(43%)
Record daily rainfall 3.1in
(2012)
Snowfall 13.5cm
Other climate data
Humidity 88%
Visibility 8.81km
Cloud cover 66%
UV index 3
Daily sunshine hours 9
Sunrise and sunset
Time of sunrise 06:48
Time of sunset 19:49
Length of day 13:01
Our opinion about the weather in september
Our opinion at whereandwhen.net bad



How was the weather last september?

Here is the day by day recorded weather in Selfoss in september 2024:

01-09-2024
Partly Cloudy
50°F to 52°F
02-09-2024
Patchy rain nearby
50°F to 52°F
03-09-2024
Clear/Sunny
45°F to 50°F
04-09-2024
Patchy rain nearby
45°F to 49°F
05-09-2024
Patchy rain nearby
50°F to 52°F
06-09-2024
Patchy rain nearby
49°F to 50°F
07-09-2024
Patchy rain nearby
49°F to 50°F
08-09-2024
Patchy rain nearby
45°F to 47°F
09-09-2024
Clear/Sunny
36°F to 43°F
10-09-2024
Partly Cloudy
40°F to 43°F
11-09-2024
Clear/Sunny
36°F to 47°F
12-09-2024
Clear/Sunny
38°F to 50°F
13-09-2024
Overcast
40°F to 49°F
14-09-2024
Partly Cloudy
41°F to 49°F
15-09-2024
Partly Cloudy
41°F to 47°F
16-09-2024
Patchy rain nearby
41°F to 50°F
17-09-2024
Patchy rain nearby
49°F to 50°F
18-09-2024
Light drizzle
45°F to 50°F
19-09-2024
Clear/Sunny
40°F to 47°F
20-09-2024
Cloudy
40°F to 49°F
21-09-2024
Overcast
47°F to 49°F
22-09-2024
Partly Cloudy
47°F to 50°F
23-09-2024
Patchy rain nearby
45°F to 47°F
24-09-2024
Patchy rain nearby
41°F to 47°F
25-09-2024
Clear/Sunny
38°F to 47°F
26-09-2024
Cloudy
36°F to 45°F
27-09-2024
Partly Cloudy
38°F to 43°F
28-09-2024
Cloudy
38°F to 45°F
29-09-2024
Light drizzle
41°F to 45°F
30-09-2024
Clear/Sunny
36°F to 43°F

Map: other cities in Iceland in september

Cities near Selfoss:

Hveragerdi in septemberbad weather
Thingvellir in septemberbad weather
Fludir (Secret Lagoon) in septembervery bad weather
Mosfellsbaer in septemberbad weather
Kopavogur in septemberbad weather
Reykjavík in septemberbad weather
Geysir in septembervery bad weather
Seltjarnarnes in septemberbad weather
Gljufrabui in septemberbad weather
Gullfoss in septembervery bad weather
Vestmannaeyjar (Vestmann island) in septemberbad weather
Akranes in septemberbad weather
Iceland in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Selfoss perfect weather good tolerable bad very bad


Weather data for Selfoss in september:

Weather data for Selfoss for september are derived from an average of the weather forecast since 2009 in Selfoss. There is a margin of error and these forecasts are to be considered as general information only. The weather in Selfoss can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Selfoss.


Weather in august in Selfoss
Weather in october in Selfoss
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