Weather in Devon, United Kingdom in September

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Visiting Devon, United Kingdom in September

September is one of the best months to visit Devon 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 19°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 42.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.

September has total rainfall of 1.3cm (0.5inches) making it mostly dry with very rare light showers although there are 15.3 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much.

Sea temperatures are a cold 16°C (61°F). September is too cold for swimming in Devon for any length of time, unless you have a wetsuit. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

Also consider visiting Devon 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 Devon in September?

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

September has average maximum temperatures of 19°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 42.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. September has total rainfall of 1.3cm (0.5inches) making it mostly dry with very rare light showers although there are 15.3 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much.

More about September temperature and sunshine.

Can you swim in Devon in September?

No, September is too cold for swimming in Devon for any length of time, with the sea water at 16°C (61°F), unless you have a wetsuit.

More about September sea temperatures.

Is September a good time to holiday in Devon?

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

September has average maximum temperatures of 19°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 42.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. September has total rainfall of 1.3cm (0.5inches) making it mostly dry with very rare light showers although there are 15.3 days with some rainfall, so on the days it does rain it is only light and intermittent and shouldn't affect your beach enjoyment too much. Sea temperatures are a cold 16°C (61°F). September is too cold for swimming in Devon for any length of time, unless you have a wetsuit.

More about the September temperatures and sunshine.

Is Devon warm in September?

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

The average maximum temperature in Devon in September is 19°C (67°F). The average maximum temperature is 20°C (69°) in the previous month and 16°C (61°F) in the next month.

The average temperature in Devon in September is 15°C (59°F). The average temperature is 16°C (61°F) in the previous month and 12°C (54°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Devon in September?

The average day light hours per day in Devon in September are 12.6. The sunshine percentage is 42.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.

More about September sunshine.

Temperature in Devon 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 Devon in September is 19°C (67°F). The average maximum temperature is 20°C (69°F) in the previous month and 16°C (61°F) in the next month.

The average temperature in Devon in September is 15°C (59°F). The average temperature is 16°C (61°F) in the previous month and 12°C (54°F) in the next month.

The average minimum temperature in Devon in September is 10°C (51°F). The minimum temperature is 12°C (54°F) in the previous month and 9°C (48°F) in the next month.

Sunshine in Devon 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 12.6 per day in Devon. The sunshine percentage is 42.3% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.

The ultraviolet index in Devon 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 Devon in September

The average sea water temperature in Devon in September is 16.2°C (61.2°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 Devon 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 Devon in September is 1.3cm (0.5inches) and on average there are 15.3 rainy days in September making it a wet time to visit the beach.

Humidity in Devon in September

The maximum dew point (an indicator of humidity) in Devon 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 Devon in September is typically 95%. The maximum relative humidity is 95.1% in the previous month and 95.4% in the next month.

The average relative humidity in Devon in September is typically 79.4%. The average relative humidity is 76.9% in the previous month and 83% in the next month.

Wind Speed in Devon in September

The average maximum wind speed in Devon in September is typically 24KM/H (15MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 28KM/H (17MPH) in the next month.

The average wind speed in Devon in September is typically 13KM/H (8MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind direction in Devon in September is from the West-Northwest.

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