Bristol in september: average Weather, Temperature and Climate
Weather in Bristol in september 2025
The weather in Bristol in september comes from statistical datas on the past 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
54°F
Fog
30% of time
26%
22%
17%
Weather at 12pm
65°F
Partly Cloudy
36% of time
34%
23%
7%
Weather at 6pm
61°F
Clear/Sunny
34% of time
27%
26%
10%
Weather at 3am
54°F
26%
25%
17%
15%
Evolution of daily average temperature and precipitation in Bristol in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Bristol in september.
The climate of Bristol in september is good
In september in Bristol, the climate is rather dry (with 1.3in of rainfall over 2 days). This is better than the previous month since in august it receives an average of 2.2in of precipitation over 3 days.
The climate is rather cold around this city september, but it is bearable by dressing hot. Temperatures are up to 67°F. The seasonal minimum is 54°F. Thus, the mean temperature average on this month of september in Bristol is 59°F. These temperatures are far removed from those records observed in Bristol in the month of september with a maximum record of 86°F in 2021 and a minimum record of 40°F in 2010. You can plan to have about 17 days with temperatures above 65°F, or 57% of the month.
On this month of september, day length in Bristol is generally 12:38. Sunrise is at 05:46 and sets at 18:24.
With a good climate, the month of september is advisable to go in Bristol.
Seasonal average climate and temperature of Bristol in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 86°F (2021) | ||||
| Lowest record temperature | 40°F (2010) | ||||
| Number of days at +65°F | 17 day(s) (57%) | ||||
| Sea temperature | |||||
| Average sea temperature | 62°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 64°F | ||||
| Wind | |||||
| Wind speed | 19km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.3in | ||||
| Number of days with rainfall | 2 day(s) (6%) | ||||
| Record daily rainfall | 0.8in (2016) | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 8.61km | ||||
| Cloud cover | 51% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:46 | ||||
| Time of sunset | 18:24 | ||||
| Length of day | 12:38 | ||||
| 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 Bristol in september 2024:
59°F to 68°F
61°F to 70°F
59°F to 65°F
54°F to 61°F
54°F to 59°F
61°F to 65°F
56°F to 65°F
59°F to 63°F
52°F to 63°F
49°F to 59°F
49°F to 56°F
47°F to 56°F
41°F to 58°F
47°F to 61°F
49°F to 63°F
50°F to 67°F
49°F to 67°F
50°F to 72°F
54°F to 76°F
54°F to 70°F
54°F to 70°F
59°F to 67°F
58°F to 65°F
54°F to 59°F
50°F to 56°F
54°F to 59°F
47°F to 56°F
47°F to 56°F
47°F to 56°F
58°F to 59°F
Map: other cities in England in september
Cities near Bristol:
| Bath in september | good weather |
| Gloucester in september | good weather |
| Swindon in september | good weather |
| Stonehenge in september | good weather |
| Cotswolds in september | good weather |
| Hereford in september | good weather |
| Exmoor National Park in september | good weather |
| Dorset in september | good weather |
| Weymouth in september | good weather |
| Bournemouth in september | good weather |
| Oxford in september | good weather |
| Isle of Portland in september | good weather |
Click over cities on the map for information about the weather in september.
Bristol
perfect weather
good
tolerable
bad
very bad
Weather data for Bristol in september:
Weather data for Bristol for september are derived from an average of the weather forecast since 2009 in Bristol. There is a margin of error and these forecasts are to be considered as general information only. The weather in Bristol 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 Bristol.