Weather in Rijeka in September 2024
Average weather
Average temperature in Rijeka in September
Going from a maximum of +86°F during the day to a minimum of +50°F during the night, the temperature in September averages around +75°F.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +72°F to +70°F.
Is Rijeka warm or cold in September?
Rijeka is typically warm in September.
Maximum temperatures go down compared to the previous month from +84°F to +75°F. The minimum temperature also goes down from +68°F to +61°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Rijeka:
Climate in Rijeka in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +84°F | +75°F | +66°F | ||||
| Min. temperature | ||||||
| +52°F | +48°F | +36°F | ||||
| Max. temperature | ||||||
| +102°F | +91°F | +82°F | ||||
| Rainfall | ||||||
| 126 mm | 222 mm | 257 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 60% | 66% | 72% | ||||
| Air pressure | ||||||
| 1013 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 17 | 13 | 11 | ||||
| Cloudy days | ||||||
| 7 | 8 | 8 | ||||
| Rainy days | ||||||
| 7 | 9 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. It’s getting colder in September. From +84°F in the day, the average maximum temperature lowers to +75°F. Prepare for more rain. Average rainfall goes from 126 mm to 222 mm. Humidity rises from 60% to 66%. The average wind speed doesn’t change much during September, staying around 1 m/s. The days becoming less sunny, going from 17 sunny days in August to 13 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rijeka is gradually decreasing during September, going from 7 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Rijeka?
Climate Change Over the Years
The climate in Rijeka in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1996 (+75°F) and the highest in 2011 (+90°F). The driest year was 1985 with only 32 mm of rainfall, and the wettest year was 2017 with 671 mm.
FAQ
Is September a good time to visit Rijeka?
Can you sunbathe in Rijeka in September?
Is Rijeka rainy in September?
Is it sunny in Rijeka in September?
Other cities in Croatia
Monthly weather in Rijeka
Source of the data
For this page, we’ve looked at the typical weather in Rijeka, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.