Dunoon in september: average Weather, Temperature and Climate
Weather in Dunoon in september 2025
The weather in Dunoon in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
bad weather
Weather at 6am
50°F
Moderate rain at times
29% of time
29%
13%
12%
Weather at 12pm
59°F
Moderate rain at times
37% of time
20%
18%
17%
Weather at 6pm
56°F
Moderate rain at times
39% of time
18%
15%
14%
Weather at 3am
50°F
30%
30%
13%
12%
Evolution of daily average temperature and precipitation in Dunoon in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Dunoon in september.
The climate of Dunoon in september is bad
the weather in Dunoon in september is wet (with 7.5in of precipitation over 12 days). This is better than the previous month since in august it receives an average of 9.2in of rainfall over 14 days.
The climate is rather cool in that area the month of september, but it is liveable when dressing warm. The high seasonal norm is 59°F. The seasonal minimum is 50°F. Thus, the mean temperature average on this month of september in Dunoon is 56°F. Note that these seasonal averages are in contrast with those observed in Dunoon in the month of september with a maximum record of 77°F in 2021 and a minimum record of 36°F in 2010. You can hope to have about 3 days with temperatures over 65°F, or 10% of time.
In september in Dunoon, the days on average last 12:45. Sunrise is at 05:52 and sunset is at 18:37.
With a bad weather, the month of september is not recommended to go in this locality.
September: another location in Scotland?
If you want to go to Scotland in september, there are destinations with better weather than Dunoon:
In september, Dundee, Perth, Burntisland, Cockenzie, Kirkcaldy and Monifieth have good weather.
Finally, Edinburgh, Aberdeen, Glasgow, Inverness, Dumfries and Falkirk have a tolerable climate, but better than Dunoon.
Seasonal average climate and temperature of Dunoon in september
Check below seasonal norms These statistics are set from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 59°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 77°F (2021) | ||||
| Lowest record temperature | 36°F (2010) | ||||
| Number of days at +65°F | 3 day(s) (10%) | ||||
| Sea temperature | |||||
| Average sea temperature | 58°F | ||||
| Lowest sea temperature | 56°F | ||||
| Highest sea temperature | 59°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.5in | ||||
| Number of days with rainfall | 12 day(s) (39%) | ||||
| Record daily rainfall | 1.7in (2012) | ||||
| Other climate data | |||||
| Humidity | 95% | ||||
| Visibility | 7.61km | ||||
| Cloud cover | 66% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:52 | ||||
| Time of sunset | 18:37 | ||||
| Length of day | 12:45 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Dunoon in september 2024:
47°F to 58°F
54°F to 61°F
47°F to 56°F
45°F to 58°F
49°F to 68°F
52°F to 74°F
54°F to 72°F
58°F to 72°F
47°F to 58°F
47°F to 54°F
45°F to 54°F
38°F to 52°F
40°F to 54°F
49°F to 59°F
50°F to 59°F
47°F to 59°F
52°F to 68°F
56°F to 70°F
49°F to 68°F
45°F to 67°F
49°F to 67°F
47°F to 63°F
45°F to 63°F
47°F to 49°F
43°F to 50°F
45°F to 50°F
40°F to 50°F
38°F to 52°F
40°F to 54°F
47°F to 50°F
Map: other cities in Scotland in september
Cities near Dunoon:
| Gourock in september | bad weather |
| Greenock in september | bad weather |
| Helensburgh in september | bad weather |
| Rothesay in september | tolerable weather |
| Largs in september | tolerable weather |
| Dumbarton in september | tolerable weather |
| Tarbert in september | tolerable weather |
| Paisley in september | tolerable weather |
| Ardrossan in september | tolerable weather |
| Irvine in september | tolerable weather |
| Newton Mearns in september | tolerable weather |
| Glasgow in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Dunoon
perfect weather
good
tolerable
bad
very bad
Weather data for Dunoon in september:
Weather data for Dunoon for september are derived from an average of the weather forecast since 2009 in Dunoon. There is a margin of error and these forecasts are to be considered as general information only. The weather in Dunoon 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 Dunoon.