Iceland climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 36° | 37° | 37° | 45° | 48° | 52° | 55° | 55° | 50° | 43° | 39° | 36° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 18 | 18 | 16 | 16 | 20 | 16 | 17 | 15 | 18 | 17 | 15 | 17 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reykjavík | 37° | 37° | 38° | 40° | 46° | 50° | 54° | 54° | 51° | 47° | 43° | 39° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Reykjavík climate in September
8-year averages · when to visit
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 52°F | 46°F | ▼ 39°F |
| Typical high | ▼ 55°F | 50°F | ▼ 43°F |
| Typical low | ▼ 46°F | 43°F | ▼ 36°F |
| Water temperature | ▼ 54°F | 51°F | ▼ 47°F |
| Precipitation | ▲ 4.7 in | 5.9 in | ▼ 5.8 in |
| Wet days | ▲ 15 d | 18 d | ▼ 17 d |
| Humidity | ▼ 83% | 81% | ▲ 82% |
| Sunshine per day | ▼ 8.0 h | 6.2 h | ▼ 4.3 h |
| Cloud cover | ▲ 51% | 52% | ▲ 56% |
| Midday UV | ▼ 5 | 3 | ▼ 1 |
| Daylight | 16:17 | 13:00 | 9:44 |
| Our take | Poor | Poor | Poor |
September temperatures day by day daily mean + smoothed trend · °F
September precipitation day by day in
September UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 12:03 AM
Iceland · 9 weather points · Climate reference: Reykjavík (64.15°N, 21.94°W) · Atlantic/Reykjavik