Rab Weather in September
During September, Rab experiences high daytime temperatures of 23°C (73°F) and cooler nights around 17°C (63°F). Expect quite a bit of rainfall. Around 145 mm (5.7 in) is typical.
Rainfall in Rab in September
The climate data from previous years indicates about 12 days of rain, averaging 145 mm (5.7 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Rab in September
September in Rab brings high temperatures, with highs of 23°C (73°F) and nights around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Rab in September
Enjoy a sunny month with about 214 hours of sunshine, the clear skies make Rab even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July and August typically offer the best weather for Rab.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Rab's climate page.
Rab Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
23°C (73°F)
Chance of Rain
39%
Precipitation
145 mm (5.7 in)
Rainy days
12 days
Sunshine
214 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Rab typically drop from around 26°C (79°F) at the start of September to approximately 23°C (73°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 15°C (59°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Rab in September
Browse day-by-day weather records for Rab spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rab historical weather extremes in September
According to our 32 years of weather records for Rab, the following extremes were recorded between 1993 and 2025.
- On September 1, 2024, temperatures climbed to 35°C (95°F), marking the warmest September day on record.
- Rab experienced its chilliest September day on September 30, 1995, reaching only 15°C (59°F).
- The coldest night in September in Rab was on September 27, 2002, with a minimum of 4°C (39°F).
Best Places in Croatia in September
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Rab in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Rab in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Rab's climate page.
See the full Rab climate overview or explore weather in Croatia.
