Norway climate by month
8-year averages · when to visitOslo climate in September
8-year averages · when to visitBest months: June–August · September: Acceptable
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 16°C | 13°C | ▼ 7°C |
| Typical high | ▼ 20°C | 16°C | ▼ 10°C |
| Typical low | ▼ 12°C | 9°C | ▼ 5°C |
| Precipitation | ▲ 84 mm | 98 mm | ▼ 96 mm |
| Wet days | ▼ 12 d | 11 d | ▲ 13 d |
| Humidity | ▲ 75% | 85% | ▲ 88% |
| Sunshine per day | ▼ 10.5 h | 7.7 h | ▼ 4.9 h |
| Cloud cover | ▲ 33% | 40% | ▲ 51% |
| Midday UV | ▼ 6 | 4 | ▼ 2 |
| Daylight | 15:32 | 12:51 | 10:08 |
| Our take | Good | 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: 11:40 PM
Norway · 11 weather points · Climate reference: Oslo (59.91°N, 10.75°E) · Europe/Oslo