Weather in Dorset, United Kingdom in September

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Visiting Dorset, United Kingdom in September

September is one of the best months to visit Dorset for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. September has average maximum temperatures of 20°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

September has total rainfall of 0.9cm (0.4inches) making it mostly dry but with short lived occasional showers. There are only 13.2 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a chilly 18°C (64°F). September is a little too cold to enjoy swimming in Dorset for prolonged periods of time. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

Also consider visiting Dorset in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Dorset in September?

No, September is not a good time for sunbathing in Dorset.

September has average maximum temperatures of 20°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day. September has total rainfall of 0.9cm (0.4inches) making it mostly dry but with short lived occasional showers. There are only 13.2 days with some rainfall so you can still enjoy the beach on the majority of days.

More about September temperature and sunshine.

Can you swim in Dorset in September?

Probably not, September is a little too cold to enjoy swimming in Dorset for prolonged periods of time with the sea water at 18°C (64°F).

More about September sea temperatures.

Is September a good time to holiday in Dorset?

Yes, September is a good time for a holiday in Dorset.

September has average maximum temperatures of 20°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day. September has total rainfall of 0.9cm (0.4inches) making it mostly dry but with short lived occasional showers. There are only 13.2 days with some rainfall so you can still enjoy the beach on the majority of days. Sea temperatures are a chilly 18°C (64°F). September is a little too cold to enjoy swimming in Dorset for prolonged periods of time.

More about the September temperatures and sunshine.

Is Dorset warm in September?

Yes, Dorset is not that warm but sunbathing may be possible on some clear days in September.

The average maximum temperature in Dorset in September is 20°C (67°F). The average maximum temperature is 21°C (70°) in the previous month and 16°C (61°F) in the next month.

The average temperature in Dorset in September is 15°C (58°F). The average temperature is 16°C (62°F) in the previous month and 12°C (53°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Dorset in September?

The average day light hours per day in Dorset in September are 12.7. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

More about September sunshine.

Temperature in Dorset in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop into October. The average maximum temperature in Dorset in September is 20°C (67°F). The average maximum temperature is 21°C (70°F) in the previous month and 16°C (61°F) in the next month.

The average temperature in Dorset in September is 15°C (58°F). The average temperature is 16°C (62°F) in the previous month and 12°C (53°F) in the next month.

The average minimum temperature in Dorset in September is 10°C (49°F). The minimum temperature is 12°C (53°F) in the previous month and 8°C (46°F) in the next month.

Sunshine in Dorset in September

The days in September are shorter than the previous month and days continue to get shorter into October. September has far fewer hours of sunshine than the previous month and hours of sunshine continue to drop quickly into October. During September the average day light hours are 12.7 per day in Dorset. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.7 hours of sunshine per day.

The ultraviolet index in Dorset in September is typically 4.3 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Dorset in September

The average sea water temperature in Dorset in September is 17.8°C (64.0°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

Rainfall in Dorset in September

September weather is slightly drier than the previous month. September has fewer days of rain than the previous month. The average total rainfall in Dorset in September is 0.9cm (0.4inches) and on average there are 13.2 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Dorset in September

The maximum dew point (an indicator of humidity) in Dorset in September is 14°C (57°F) which is comfortable for everyone. The dew point is 15°C (59°F) in the previous month and 12°C (12°F) in the next month.

The average maximum relative humidity in Dorset in September is typically 97.3%. The maximum relative humidity is 96.6% in the previous month and 97.6% in the next month.

The average relative humidity in Dorset in September is typically 79.3%. The average relative humidity is 76.4% in the previous month and 84% in the next month.

Wind Speed in Dorset in September

The average maximum wind speed in Dorset in September is typically 26KM/H (16MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 27KM/H (17MPH) in the next month.

The average wind speed in Dorset in September is typically 13KM/H (8MPH). The average wind speed is 13KM/H (8MPH) in the previous month and 14KM/H (9MPH) in the next month.

The average wind direction in Dorset in September is from the West.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.