Isle of Portland in september: average Weather, Temperature and Climate
Weather in Isle of Portland in september 2025
The weather in Isle of Portland in the month of 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
good weather
Weather at 6am
59°F
Partly Cloudy
33% of time
30%
22%
10%
Weather at 12pm
63°F
Clear/Sunny
35% of time
32%
21%
11%
Weather at 6pm
63°F
Clear/Sunny
39% of time
28%
17%
12%
Weather at 3am
59°F
33%
30%
18%
15%
Evolution of daily average temperature and precipitation in Isle of Portland in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Isle of Portland in september.
The climate of Isle of Portland in september is good
The weather in september in Isle of Portland is quite dry (with 2.5in of rainfall over 4 days). It should be noted an improvement from the previous month since in august it receives an average of 3.6in of precipitation over 5 days.
The climate is fairly fresh in this location this month, but it is livable by dressing hot. The thermometer averaged maximum of 65°F. On average, the recorded minimum temperature is 59°F. Thus, the mean temperature average in september in Isle of Portland is 61°F. Note that seasonal normals in contrast with those observed in Isle of Portland in september with a maximum record of 74°F in 2021 and a minimum record of 49°F in 2010. You can plan to have about 12 days with temperatures over 65°F, or 40% of time.
In september in Isle of Portland, the days on average last 12:37. The sun rises at 05:46 and sunset is at 18:23.
With a good climate, the month of september is a good month to go in Isle of Portland in England.
Seasonal average climate and temperature of Isle of Portland in september
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 59°F | ||||
| Highest record temperature | 74°F (2021) | ||||
| Lowest record temperature | 49°F (2010) | ||||
| Number of days at +65°F | 12 day(s) (40%) | ||||
| Sea temperature | |||||
| Average sea temperature | 63°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 65°F | ||||
| Wind | |||||
| Wind speed | 27km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.5in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 1.9in (2012) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 9.59km | ||||
| Cloud cover | 41% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:46 | ||||
| Time of sunset | 18:23 | ||||
| Length of day | 12:37 | ||||
| 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 Isle of Portland in september 2024:
58°F to 72°F
61°F to 65°F
59°F to 67°F
54°F to 63°F
54°F to 63°F
59°F to 61°F
54°F to 65°F
59°F to 61°F
54°F to 61°F
59°F to 63°F
49°F to 58°F
45°F to 56°F
43°F to 58°F
47°F to 59°F
50°F to 65°F
56°F to 67°F
49°F to 65°F
52°F to 72°F
54°F to 72°F
54°F to 68°F
54°F to 68°F
59°F to 63°F
56°F to 61°F
52°F to 59°F
52°F to 59°F
56°F to 61°F
47°F to 56°F
45°F to 56°F
52°F to 58°F
58°F to 59°F
Map: other cities in England in september
Cities near Isle of Portland:
| Weymouth in september | good weather |
| Dorset in september | good weather |
| Bournemouth in september | good weather |
| Exmouth in september | good weather |
| Torquay in september | good weather |
| Exeter in september | good weather |
| Paignton in september | good weather |
| Isle of Wight in september | good weather |
| Stonehenge in september | good weather |
| Southampton in september | good weather |
| Bath in september | good weather |
| Portsmouth in september | good weather |
Click over cities on the map for information about the weather in september.
Isle of Portland
perfect weather
good
tolerable
bad
very bad
Weather data for Isle of Portland in september:
Weather data for Isle of Portland for september are derived from an average of the weather forecast since 2009 in Isle of Portland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Isle of Portland 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 Isle of Portland.