Ireland climate by month
8-year averages · when to visit| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dublin | 8° | 9° | 10° | 12° | 15° | 18° | 19° | 19° | 17° | 14° | 11° | 9° |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dublin | 12 | 13 | 14 | 12 | 12 | 13 | 14 | 15 | 14 | 16 | 14 | 15 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dublin | 7° | 8° | 8° | 11° | 14° | 15° | 17° | 17° | 15° | 13° | 11° | 9° |
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
Dublin climate in September
8-year averages · when to visit
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 16°C | 14°C | ▼ 12°C |
| Typical high | ▼ 19°C | 17°C | ▼ 14°C |
| Typical low | ▼ 13°C | 11°C | ▼ 9°C |
| Water temperature | ▼ 17.4°C | 15.3°C | ▼ 13.4°C |
| Precipitation | ▲ 83 mm | 93 mm | ▲ 105 mm |
| Wet days | ▼ 15 d | 14 d | ▲ 16 d |
| Humidity | ▲ 75% | 80% | ▲ 82% |
| Sunshine per day | ▼ 9.9 h | 8.1 h | ▼ 6.0 h |
| Cloud cover | ▲ 33% | 36% | ▲ 43% |
| Midday UV | ▼ 7 | 5 | ▼ 3 |
| Daylight | 14:44 | 12:40 | 10:33 |
| Our take | Acceptable | Acceptable | Poor |
September temperatures day by day daily mean + smoothed trend · °C
September precipitation day by day mm
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: 7:17 PM
Ireland · 10 weather points · Climate reference: Dublin (53.35°N, 6.26°W) · Europe/Dublin