Rijeka weather
Our guide to the weather in Rijeka during September
Rijeka is a vibrant coastal city with plenty of cultural attractions and activities to explore. September is a great time to visit as the weather is usually mild and sunny. We've looked at the most up-to-date weather data for Rijeka, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Rijeka weather in September.
How warm is it in Rijeka during September?
The temperature reaches around 21℃ during the daytime in September, falling away to 13℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Rijeka during September?
On average, there will be 8 rainy days during the month, amounting to 188.8mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Rijeka during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate air temperatures, any breeze will feel cool.
How warm is the sea in Rijeka during September?
The water temperature around Rijeka reaches a pleasant 21℃ during September. While generally considered warm, some people might find it a little on the cool side on entering the water.
Weather in Rijeka
Our month-by-month guide to the weather and climate in Rijeka
Rijeka weather in
JanuaryRijeka weather in
FebruaryRijeka weather in
MarchRijeka weather in
AprilRijeka weather in
MayRijeka weather in
JuneRijeka weather in
JulyRijeka weather in
AugustRijeka weather in
SeptemberRijeka weather in
OctoberRijeka weather in
NovemberRijeka weather in
December