Opatija in september: average Weather, Temperature and Climate
Weather in Opatija in september 2025
The weather in Opatija in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
58°F
Clear/Sunny
44% of time
29%
12%
9%
Weather at 12pm
68°F
Clear/Sunny
44% of time
22%
21%
13%
Weather at 6pm
65°F
Clear/Sunny
47% of time
22%
17%
12%
Weather at 3am
58°F
45%
25%
17%
10%
Evolution of daily average temperature and precipitation in Opatija in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Opatija in september.
The climate of Opatija in september is good
In september in Opatija, the climate is wet (with 7.8in of rainfall over 8 days). It should be noted a worsening from the previous month since in august there is an average of 5.4in of rainfall over 7 days.
The climate quite comfortable in this location september. The thermometer averaged maximum of 72°F. The minimum is 58°F. Thus, the mean temperature average on this month of september in Opatija is 65°F. Note that seasonal normals are in contrast with those observed in Opatija in the month of september with a maximum record of 85°F in 2011 and a minimum record of 41°F in 2015. You can hope to have about 26 days with temperatures above 65°F, or 87% of the month.
On this month of september, day length in Opatija is generally 12:32. The sun rises at 05:42 and sets at 18:14.
With a good climate, this month is advisable to go in this city.
Seasonal average climate and temperature of Opatija in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 72°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 85°F (2011) | ||||
| Lowest record temperature | 41°F (2015) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 26 day(s) (87%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 75°F | ||||
| Lowest sea temperature | 69°F | ||||
| Highest sea temperature | 80°F | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.8in | ||||
| Number of days with rainfall | 8 day(s) (27%) | ||||
| Record daily rainfall | 4.6in (2010) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.4km | ||||
| Cloud cover | 29% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:42 | ||||
| Time of sunset | 18:14 | ||||
| Length of day | 12:32 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Opatija in september 2024:
72°F to 86°F
74°F to 85°F
70°F to 79°F
68°F to 81°F
67°F to 79°F
65°F to 74°F
63°F to 77°F
67°F to 77°F
67°F to 70°F
58°F to 74°F
61°F to 72°F
63°F to 67°F
49°F to 54°F
52°F to 63°F
50°F to 59°F
50°F to 65°F
52°F to 59°F
54°F to 68°F
61°F to 67°F
59°F to 65°F
56°F to 72°F
58°F to 70°F
56°F to 68°F
63°F to 65°F
58°F to 65°F
61°F to 67°F
65°F to 68°F
59°F to 65°F
54°F to 63°F
47°F to 63°F
Map: other cities in Croatia in september
Cities near Opatija:
| Lovran in september | good weather |
| Rijeka in september | good weather |
| Kraljevica in september | good weather |
| Buzet in september | good weather |
| Labin in september | good weather |
| Pazin in september | good weather |
| Crikvenica in september | good weather |
| Delnice in september | good weather |
| Novi Vinodolski in september | good weather |
| Poreč in september | good weather |
| Vrsar in september | good weather |
| Rovinj in september | good weather |
Click over cities on the map for information about the weather in september.
Opatija
perfect weather
good
tolerable
bad
very bad
Weather data for Opatija in september:
Weather data for Opatija for september are derived from an average of the weather forecast since 2009 in Opatija. There is a margin of error and these forecasts are to be considered as general information only. The weather in Opatija can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Opatija.