Croatia (Krk) · September
Low seasonCroatia · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 10° (50°)4– (39–)14 (57) | 11° (52°)4– (39–)15 (59) | 14° (57°)7– (45–)19 (66) | 18° (64°)10– (50–)23 (73) | 22° (72°)15– (59–)27 (81) | 27° (81°)19– (66–)33 (91) | 30° (86°)23– (73–)35 (95) | 29° (84°)22– (72–)34 (93) | 24° (75°)17– (63–)30 (86) | 19° (66°)12– (54–)24 (75) | 15° (59°)7– (45–)19 (66) | 11° (52°)5– (41–)16 (61) |
Ø night, range from coldest to warmest nightØ nightrange | 3° (37°)-4– (25–)9 (48) | 3° (37°)-4– (25–)9 (48) | 6° (43°)-1– (30–)11 (52) | 9° (48°)2– (36–)14 (57) | 13° (55°)7– (45–)18 (64) | 17° (63°)12– (54–)22 (72) | 20° (68°)15– (59–)24 (75) | 20° (68°)14– (57–)23 (73) | 16° (61°)9– (48–)20 (68) | 12° (54°)5– (41–)17 (63) | 8° (46°)0– (32–)14 (57) | 4° (39°)-2– (28–)10 (50) |
☀️Sunshine | 3h UV 3 | 4h UV 3 | 6h UV 5 | 6h UV 6 | 7h UV 7 | 9h UV 8 | 9h UV 8 | 8h UV 7 | 6h UV 6 | 5h UV 4 | 3h UV 3 | 3h UV 2 |
🌊Water Temp | 13° (55°) | 12° (54°) | 12° (54°) | 14° (57°) | 18° (64°) | 22° (72°) | 24° (75°) | 25° (77°) | 23° (73°) | 20° (68°) | 17° (63°) | 15° (59°) |
🌧Rain Days | 9d136mm (5.4") | 9d130mm (5.1") | 9d108mm (4.2") | 8d88mm (3.5") | 10d115mm (4.5") | 6d75mm (2.9") | 5d69mm (2.7") | 6d88mm (3.5") | 8d160mm (6.3") | 9d138mm (5.4") | 11d210mm (8.3") | 10d148mm (5.8") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Post-season — prices falling after the travel period, beaches and attractions quieter.
September is an acceptable travel month for Croatia (Krk) — conditions are fine, though June, July, and August offer even better weather.
Daytime highs average 24°C (75°F), cooling to 16°C (61°F) at night (daily average: 20°C (68°F)). Peaks reach around 30°C (86°F), the coldest nights around 9°C (48°F). With 6 sunshine hours per day and 8 rain days (160 mm (6.3 in)), this is one of the cloudier months. Sea temperature is 23°C (73°F) — pleasantly warm for long swim sessions.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
Packing list for Croatia (Krk) in September
- T-shirts and shorts
- Light jacket for cool evenings
- Swimwear (the water is still a little fresh)
- Sunscreen
- Sunglasses
- Light umbrella or rain poncho
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Croatia (Krk)?
- September is not an optimal month for Croatia (Krk) (Score: 57/100), but it is manageable. For better conditions, consider June, July, and August.
- How warm is it in Croatia (Krk) in September?
- In September, Croatia (Krk) sees daily highs of 24°C (75°F). Nights cool to 16°C (61°F), with a daily average of 20°C (68°F). Peaks reach around 30°C (86°F), the coldest nights around 9°C (48°F).
- How much rain falls in Croatia (Krk) in September?
- In September, Croatia (Krk) receives an average of 160 mm (6.3 in) of rain over 8 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Croatia (Krk) get in September?
- Croatia (Krk) averages 6 sunshine hours per day in September — close to the annual average.
- How warm is the water in Croatia (Krk) in September?
- Water temperature in Croatia (Krk) in September averages 23°C (73°F) — pleasantly warm for swim sessions.
