Temperature
Cool by day, brisk at night.
62°Ftypical September high
Typical range
September climate
September in Arendal
Norway · Europe
Cool days and some sun.
Good overall
Daytime high
62°F
Lows around 49°F
Rain
Several rainy days
Sun
8 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 12 wet days this month.
40%wet-day frequency
Precip amountWet-day chanceSnowfall
Sunshine
A mix of sunshine and cloud.
8.2 hSeptember sunshine
Heat & humidity by month
Very drySeptember Heat feel
Easy airWarm airHumid air
Hourly temperature pattern
In September, afternoons feel about 56° and nights feel near 46°.
FreezingVery coldColdCoolComfortableNight hours
Clear sky
Mostly cloudy skies this month.
37%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
8 mphSeptember Light breeze
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 61°F, easing to about 58°F in early evening.
Avg temp Typical range
Morning54°F
Rain23%
Cloud64%
Humid airLow
Sun intensityMinimal
Midday60°F
Rain27%
Cloud67%
Humid airLow
Sun intensityModerate
Late afternoon61°F
Rain24%
Cloud65%
Humid airLow
Sun intensityLow
Early evening57°F
Rain19%
Cloud59%
Humid airLow
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 36 | 28 | 4.2 | 14 | 3.1 | 83 |
| Feb | 37 | 28 | 3.1 | 11 | 4.8 | 82 |
| Mar | 43 | 31 | 2.6 | 10 | 7.5 | 76 |
| Apr | 51 | 37 | 2.3 | 10 | 10.2 | 70 |
| May | 60 | 45 | 2.9 | 11 | 12.6 | 67 |
| Jun | 67 | 51 | 3.2 | 11 | 13.5 | 67 |
| Jul | 71 | 56 | 3.4 | 12 | 13.6 | 69 |
| Aug | 69 | 55 | 4.2 | 13 | 11.3 | 75 |
| Sep | 62 | 49 | 4.0 | 12 | 8.2 | 78 |
| Oct | 52 | 42 | 4.6 | 14 | 5.4 | 81 |
| Nov | 44 | 36 | 4.5 | 14 | 3.2 | 84 |
| Dec | 38 | 30 | 4.1 | 14 | 2.6 | 84 |
Similar climates
Similar
Similar travel styleAalborgDenmarkSimilar travel styleAarhusDenmarkSimilar travel styleAkaaFinlandSimilar travel styleAlavusFinland
Want a side-by-side climate view? Compare Arendal with Aalborg.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology