Weather in Grad Rijeka for September 2026
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So far, September 2026 in Grad Rijeka is slightly warmer than the historical average by 0.8 °C.
The forecast for the upcoming days in Grad Rijeka predicts a temperature of 21.9 °C, which is slightly above the historical average.
In general, the average temperature in Grad Rijeka at the beginning of September is 25.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21 °C by the end of September.
Grad Rijeka experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 120.4 mm.
Is September a good time to visit Grad Rijeka? check out the best time to travel to Grad Rijeka page.
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Grad Rijeka Weather September
Temperatures trend during September in Grad Rijeka
September weather in Grad Rijeka day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 26° /17° | 0.1 mm | 7 | |
| 2 Sept. | Sunny | 26° /18° | 0.7 mm | 6 | |
| 3 Sept. |  Patchy rain possible | 26° /18° | 0.1 mm | 6 | |
| 4 Sept. | Sunny | 26° /18° | 0 mm | 7 | |
| 5 Sept. | Sunny | 25° /18° | 1.2 mm | 6 | |
| 6 Sept. | Sunny | 25° /16° | 0.1 mm | 6 | |
| 7 Sept. | Sunny | 26° /17° | 0 mm | 6 | |
| 8 Sept. | Sunny | 26° /18° | 1.5 mm | 6 | |
| 9 Sept. | Sunny | 24° /17° | 7.3 mm | 5 | |
| 10 Sept. | Sunny | 23° /15° | 29 mm | 5 | |
| 11 Sept. | Sunny | 23° /15° | 7 mm | 5 | |
| 12 Sept. | Sunny | 22° /14° | 13.8 mm | 5 | |
| 13 Sept. |  Partly cloudy | 21° /14° | 2.3 mm | 5 | |
| 14 Sept. | Partly cloudy | 21° /14° | 5.1 mm | 4 | |
| 15 Sept. | Sunny | 22° /13° | 0.7 mm | 5 | |
| 16 Sept. | Sunny | 21° /14° | 3.6 mm | 5 | |
| 17 Sept. | Partly cloudy | 20° /13° | 3 mm | 5 | |
| 18 Sept. | Patchy rain possible | 22° /13° | 0.3 mm | 5 | |
| 19 Sept. | Patchy rain possible | 23° /16° | 3.8 mm | 5 | |
| 20 Sept. | Patchy rain possible | 23° /16° | 0.1 mm | 5 | |
| 21 Sept. |  Overcast | 22° /16° | 0 mm | 4 | |
| 22 Sept. | Sunny | 21° /13° | 0 mm | 4.6 | |
| 23 Sept. | Sunny | 19° /12° | 0 mm | 4.7 | |
| 24 Sept. | Sunny | 18° /14° | 0.9 mm | 4.4 | |
| 25 Sept. | Light rain shower | 16° /13° | 11.4 mm | 4 | |
| 26 Sept. | Sunny | 21° /14° | 0 mm | 6 | |
| 27 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
| 28 Sept. | Sunny | 22° /16° | 0 mm | 6 | |
| 29 Sept. | Overcast | 22° /18° | 0 mm | 6 | |
| 30 Sept. | Sunny | 25° /17° | 0 mm | 7 | |
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Grad Rijeka weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/18° | 22°/15° | 17°/11° |
| Rainfall | 146 mm | 120 mm | 272 mm |
| Wind | 12.3 km/h | 13.1 km/h | 15 km/h |
| Humidity | 63% | 71% | 78% |
| Rainy days | 8 days | 9 days | 13 days |
| Dry days | 23 days | 21 days | 18 days |
Planning a trip to Grad Rijeka? Discover the best time to visit
Grad Rijeka in September - FAQ
What are the expected maximum and minimum temperatures in Grad Rijeka during September?
How much rainfall should be expected in Grad Rijeka during September?
What are the typical wind conditions in Grad Rijeka during September?
September rainfall patterns in Grad Rijeka
UV exposure in Grad Rijeka during September
What to pack to Grad Rijeka in September?
Mild · highs around 22 °C, frequent showers
As you prepare for your trip to Grad Rijeka in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Grad Rijeka, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Grad Rijeka?Get accurate weather forecasts for Grad Rijeka, located at latitude 45.327 and longitude 14.442. Stay updated with localized weather information tailored for Grad Rijeka.