Mljet in september: average Weather, Temperature and Climate
Weather in Mljet in september 2025
The weather in Mljet in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
72°F
Clear/Sunny
63% of time
18%
8%
8%
Weather at 12pm
76°F
Clear/Sunny
65% of time
19%
8%
8%
Weather at 6pm
74°F
Clear/Sunny
64% of time
23%
7%
7%
Weather at 3am
72°F
63%
17%
13%
8%
Evolution of daily average temperature and precipitation in Mljet in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mljet in september.
The climate of Mljet in september is good
The climate in september in Mljet is rather dry (with 5.3in of precipitation over 6 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 1.3in of precipitation over 2 days.
The climate quite nice in that locality this month. The thermometer averaged maximum of 77°F. On average, the recorded minimum temperature is 72°F. Thus, the mean temperature average in september in Mljet is 74°F. Note that seasonal normals in contrast with those observed in Mljet in september with a maximum record of 85°F in 2011 and a minimum record of 59°F in 2010.
Day length in Mljet in september is 12:30. The sun rises at 05:30 and sunset is at 18:00.
With good weather conditions, september is a good month to go in that area in Croatian islands.
Seasonal average climate and temperature of Mljet in september
Check below seasonal norms These datas are generated from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 74°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 85°F (2011) | ||||
| Lowest record temperature | 59°F (2010) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 76°F | ||||
| Lowest sea temperature | 71°F | ||||
| Highest sea temperature | 81°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.3in | ||||
| Number of days with rainfall | 6 day(s) (19%) | ||||
| Record daily rainfall | 2.8in (2014) | ||||
| Other climate data | |||||
| Humidity | 67% | ||||
| Visibility | 9.64km | ||||
| Cloud cover | 19% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:30 | ||||
| Time of sunset | 18:00 | ||||
| Length of day | 12:30 | ||||
| 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 Mljet in september 2024:
79°F to 83°F
79°F to 81°F
77°F to 79°F
76°F to 79°F
76°F to 79°F
72°F to 77°F
76°F to 79°F
76°F to 79°F
76°F to 79°F
72°F to 76°F
70°F to 76°F
74°F to 77°F
67°F to 77°F
59°F to 63°F
65°F to 68°F
63°F to 67°F
65°F to 72°F
67°F to 70°F
65°F to 70°F
68°F to 74°F
70°F to 74°F
70°F to 72°F
68°F to 72°F
72°F to 74°F
70°F to 72°F
70°F to 74°F
72°F to 74°F
72°F to 74°F
67°F to 72°F
61°F to 67°F
Map: other cities on the Croatian Islands in september
Cities near Mljet:
| Šipan island in september | good weather |
| Lopud island in september | good weather |
| Koločep island in september | good weather |
| Lastovo island in september | good weather |
| Korčula Island in september | good weather |
| Hvar island in september | perfect weather |
| Brač in september | perfect weather |
| Vis island in september | good weather |
| Šolta island in september | good weather |
| Biševo island in september | good weather |
| Čiovo island in september | good weather |
| Drvenik Veliki island in september | good weather |
Click over cities on the map for information about the weather in september.
Mljet
perfect weather
good
tolerable
bad
very bad
Weather data for Mljet in september:
Weather data for Mljet for september are derived from an average of the weather forecast since 2009 in Mljet. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mljet 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 Mljet.