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Dorset weather in September

Considering a trip to Dorset this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Dorset in September?

Dorset is a region in the United Kingdom. September in Dorset generally has pleasant temperatures, with moderate precipitation. In September, it is summer.

You can expect pleasant maximum daytime temperatures of around 19°C and nighttime temperatures around 13°C in Bournemouth.

In September, precipitation varies across different areas. From moderate rainfall in Uplyme with an average of 58 mm to moderate rainfall in Christchurch with 78 mm. Bournemouth enjoys a balanced 149 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

To learn more about the conditions in specific areas of Dorset in September, check out the map below. For more details on the yearly weather, visit our Dorset climate page.

Where to go in Dorset in September

Find the average weather conditions in September for the most popular destinations in Dorset on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Dorset

What is the weather like in September for the 5 most popular destinations in Dorset?

Average weather in Bournemouth

In September Bournemouth generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Bournemouth
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
21°C 
15°C 
208 hours 
74 mm 
11 days 
19°C 
13°C 
149 hours 
71 mm 
12 days 
October   >> October
>>  
16°C 
11°C 
113 hours 
105 mm 
15 days 
Climate in Bournemouth

Average weather in Weymouth

In September Weymouth generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Weymouth
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
20°C 
15°C 
210 hours 
74 mm 
12 days 
19°C 
13°C 
152 hours 
69 mm 
13 days 
October   >> October
>>  
16°C 
11°C 
115 hours 
106 mm 
15 days 
Climate in Weymouth

Average weather in Poole

In September Poole generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Poole
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
21°C 
15°C 
210 hours 
69 mm 
11 days 
19°C 
13°C 
152 hours 
63 mm 
13 days 
October   >> October
>>  
16°C 
10°C 
115 hours 
93 mm 
15 days 
Climate in Poole

Average weather in Lyme Regis

In September Lyme Regis generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Lyme Regis
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
21°C 
14°C 
170 hours 
68 mm 
13 days 
19°C 
12°C 
150 hours 
58 mm 
13 days 
October   >> October
>>  
16°C 
9°C 
104 hours 
82 mm 
16 days 
Climate in Lyme Regis

Average weather in Swanage

In September Swanage generally has pleasant temperatures with maximum daytime temperatures around 19°C, minimum nighttime temperatures around 14°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Swanage
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
20°C 
15°C 
208 hours 
70 mm 
11 days 
19°C 
14°C 
149 hours 
71 mm 
13 days 
October   >> October
>>  
16°C 
12°C 
113 hours 
110 mm 
15 days 
Climate in Swanage

Is your destination not in the list? Have a look at other destinations in Dorset, in the United Kingdom.

Is September the best time to visit Dorset?

Given the typically pleasant weather conditions in Bournemouth, September might be a good time to visit Dorset. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Bournemouth. On the other hand, the weather in January, February, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Dorset. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.