Temperature
Pleasant by day, mild at night.
75°Ftypical September high
Typical range
September climate
September in Rovinj
Croatia · Istria
Warm coastal days and plenty of sun.
One of the best months here
Daytime high
75°F
Lows around 64°F
Rain
Several rainy days
Sun
10.5 h/day
Air feel
Comfortable
Sea temp
74°F
Warm sea
When to visit
Month-by-month fit
Best
Precipitation
Several rainy days. About 10 wet days this month.
32%wet-day frequency
AmountWet-day chance
Sunshine
Plenty of sun this month.
10.4 hSeptember sunshine
Heat & humidity by month
ComfortableSeptember
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 73° and nights feel near 64°.
Very coldColdCoolComfortableWarmHotNight hours
Clear sky
Partly cloudy skies this month.
54%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
6 mphSeptember Calm
Sea temperature
74°FSeptember sea temp
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 74°F, easing to about 71°F in early evening.
Avg temp Typical range
Morning68°F
Rain18%
Cloud44%
Humid airLow
Sun intensityLow
Best windowMidday74°F
Rain21%
Cloud49%
Humid airLow
Sun intensityStrong
Late afternoon74°F
Rain20%
Cloud47%
Humid airLow
Sun intensityModerate
Early evening71°F
Rain16%
Cloud43%
Humid airLow
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 48 | 40 | 2.9 | 9 | 6.2 | 75 | 55 |
| Feb | 51 | 41 | 3.0 | 9 | 7.7 | 72 | 53 |
| Mar | 56 | 45 | 3.0 | 9 | 9.5 | 69 | 53 |
| Apr | 63 | 51 | 3.3 | 11 | 10.9 | 70 | 57 |
| May | 71 | 59 | 3.7 | 12 | 12.3 | 71 | 65 |
| Jun | 80 | 67 | 2.6 | 9 | 13.3 | 69 | 73 |
| Jul | 83 | 71 | 2.2 | 8 | 13.5 | 66 | 77 |
| Aug | 84 | 71 | 3.0 | 8 | 12.5 | 67 | 78 |
| Sep | 75 | 64 | 5.1 | 10 | 10.4 | 71 | 74 |
| Oct | 67 | 56 | 4.7 | 11 | 8.4 | 76 | 68 |
| Nov | 58 | 49 | 5.4 | 12 | 6.4 | 77 | 64 |
| Dec | 51 | 42 | 3.9 | 10 | 5.7 | 76 | 59 |
Similar climates
Similar
Similar travel styleAlgheroItalySimilar travel styleBiarritzFranceSimilar travel styleBrightonUnited KingdomSimilar travel styleCadaquésSpain
Want a side-by-side climate view? Compare Rovinj with Alghero.
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: Aug 11, 2026
Data & methodology