Weather in Cape Cod Beach, Cape Cod, United States in September

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Visiting Cape Cod Beach, Cape Cod, United States in September

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

September has average maximum temperatures of 22°C (72°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day. September has total rainfall of 8.6cm (3.4inches) making it mostly dry with only intermittent light showers. There are only 13.5 days with some rainfall so you can still enjoy the beach on the majority of days. Sea temperatures are a warm 22°C (72°F). September is a good month for swimming in Cape Cod Beach with comfortable temperatures for most people.

Also consider visiting Cape Cod Beach in one of the other best months of June, July, August, for the best beach weather.

September brings cooler temperatures to Cape Cod Beach, but the weather is still pleasant for swimming, sunbathing, and beach activities. Water sports like snorkeling, diving, surfing, windsurfing, and kitesurfing are still enjoyable, but wetsuits may be needed as the water begins to cool down. Also consider one of our other suggestions for September.

Can you sunbathe in Cape Cod Beach in September?

Yes, September is a good time for sunbathing in Cape Cod Beach.

September has average maximum temperatures of 22°C (72°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day. September has total rainfall of 8.6cm (3.4inches) making it mostly dry with only intermittent light showers. There are only 13.5 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 Cape Cod Beach in September?

Yes, September is a good month for swimming in Cape Cod Beach with warm sea temperatures 22°C (72°F).

More about September sea temperatures.

Is September a good time to holiday in Cape Cod Beach?

Yes, September is a good time for a holiday in Cape Cod Beach.

September has average maximum temperatures of 22°C (72°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day. September has total rainfall of 8.6cm (3.4inches) making it mostly dry with only intermittent light showers. There are only 13.5 days with some rainfall so you can still enjoy the beach on the majority of days. Sea temperatures are a warm 22°C (72°F). September is a good month for swimming in Cape Cod Beach with comfortable temperatures for most people.

More about the September temperatures and sunshine.

Is Cape Cod Beach warm in September?

Yes, Cape Cod Beach is nice and warm and makes sunbathing pleasant on clear days in September.

The average maximum temperature in Cape Cod Beach in September is 22°C (72°F). The average maximum temperature is 25°C (78°) in the previous month and 17°C (62°F) in the next month.

The average temperature in Cape Cod Beach in September is 18°C (64°F). The average temperature is 21°C (70°F) in the previous month and 13°C (55°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Cape Cod Beach in September?

The average day light hours per day in Cape Cod Beach in September are 12.5. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day.

More about September sunshine.

Crowds in Cape Cod Beach in September

September sees a decrease in beach crowds as schools resume and the summer season comes to an end. However, the weather remains warm, with temperatures ranging from 54°F (12°C) to 71°F (22°C), making it an enjoyable time for those who prefer a less crowded beach experience. Labor Day weekend can still be quite busy, but overall, the crowds begin to diminish in September.

Temperature in Cape Cod Beach in September

The average maximum temperature in Cape Cod Beach in September is 22°C (72°F). The average maximum temperature is 25°C (78°F) in the previous month and 17°C (62°F) in the next month.

The average temperature in Cape Cod Beach in September is 18°C (64°F). The average temperature is 21°C (70°F) in the previous month and 13°C (55°F) in the next month.

The average minimum temperature in Cape Cod Beach in September is 15°C (58°F). The minimum temperature is 18°C (64°F) in the previous month and 10°C (49°F) in the next month.

Sunshine in Cape Cod Beach in September

During September the average day light hours are 12.5 per day in Cape Cod Beach. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day.

The ultraviolet index in Cape Cod Beach in September is typically 6.3 during September. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and 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. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cape Cod Beach in September

The average sea water temperature in Cape Cod Beach in September is 22.3°C (72.1°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Cape Cod Beach in September

The average total rainfall in Cape Cod Beach in September is 8.6cm (3.4inches) and on average there are 13.5 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Cape Cod Beach in September

The maximum dew point (an indicator of humidity) in Cape Cod Beach in September is 17°C (62°F) which is OK for most but slightly uncomfortable for some. The dew point is 19°C (67°F) in the previous month and 12°C (12°F) in the next month.

The average maximum relative humidity in Cape Cod Beach in September is typically 92.9%. The maximum relative humidity is 93.9% in the previous month and 91.4% in the next month.

The average relative humidity in Cape Cod Beach in September is typically 78.6%. The average relative humidity is 79.9% in the previous month and 77.6% in the next month.

Wind Speed in Cape Cod Beach in September

The average maximum wind speed in Cape Cod Beach in September is typically 20KM/H (12MPH). The average maximum wind speed is 18KM/H (11MPH) in the previous month and 21KM/H (13MPH) in the next month.

The average wind speed in Cape Cod Beach in September is typically 10KM/H (6MPH). The average wind speed is 9KM/H (5MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Cape Cod Beach in September is from the South West.

Monthly Averages

Suggested Beaches in September

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