Reykjavik weather in September 2025
Mon
Tue
Wed
Thu
Fri
Sat
Sun
1 September
+13°+10°
2 September
+13°+10°
3 September
+13°+9°
4 September
+13°+9°
5 September
+13°+9°
6 September
+13°+10°
7 September
+12°+9°
8 September
+12°+8°
9 September
+12°+9°
10 September
+12°+8°
11 September
+12°+8°
12 September
+12°+7°
13 September
+12°+7°
14 September
+11°+6°
15 September
+11°+7°
16 September
+11°+7°
17 September
+11°+7°
18 September
+11°+7°
19 September
+11°+7°
20 September
+10°+6°
21 September
+10°+6°
22 September
+10°+6°
23 September
+11°+6°
24 September
+11°+7°
25 September
+11°+7°
26 September
+11°+8°
27 September
+10°+6°
28 September
+10°+6°
29 September
+10°+6°
30 September
+10°+6°
1 October
+10°+6°
2 October
+10°+7°
3 October
+9°+5°
4 October
+9°+5°
5 October
+8°+5°
Forecast in other regions
Reykjavik
+14°
Kópavogur
+14°
Hafnarfjoerdur
+14°
Akureyri
+10°
Akureyri
+14°
Mosfellsbaer
+14°
Gardabaer
+14°
Akranes
+16°
Selfoss
+14°
Seltjarnarnes
+14°
Vestmannaeyjar
+14°
Grindavík
+14°
Isafjoerdur
+14°
Alftanes
+14°
Egilsstadir
+11°
Egilsstaðir
+6°
Hveragerði
+13°
Nordurthing
+13°
Borgarnes
+16°
Höfn
+11°
