Weather in San Clemente Beach, San Clemente, United States in September

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Visiting San Clemente Beach, San Clemente, United States in September

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

The weather in September is noticeably colder than the previous month. September has average maximum temperatures of 21°C (70°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 73% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright.

September has total rainfall of 0cm (0inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a moderate 21°C (70°F). September is a pleasant month for swimming in San Clemente Beach though some people may prefer warmer water. The sea temperature in September is slightly warmer than the previous month.

September sees slightly cooler weather, but it is still warm enough for sunbathing and swimming. Water activities such as snorkeling, diving, surfing, windsurfing, and kitesurfing continue to be popular. The beach may be less crowded as summer vacation season winds down. Also consider visiting San Clemente Beach 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 San Clemente Beach in September?

Yes, September is a great time for sunbathing in San Clemente Beach.

September has average maximum temperatures of 21°C (70°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 73% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright. September has total rainfall of 0cm (0inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about September temperature and sunshine.

Can you swim in San Clemente Beach in September?

Yes, September is a pleasant month for swimming in San Clemente Beach with moderate sea temperatures 21°C (70°F).

More about September sea temperatures.

Is September a good time to holiday in San Clemente Beach?

Yes, September is a good time for a holiday in San Clemente Beach.

September has average maximum temperatures of 21°C (70°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 73% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright. September has total rainfall of 0cm (0inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.1 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a moderate 21°C (70°F). September is a pleasant month for swimming in San Clemente Beach though some people may prefer warmer water.

More about the September temperatures and sunshine.

Is San Clemente Beach warm in September?

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

The average maximum temperature in San Clemente Beach in September is 21°C (70°F). The average maximum temperature is 23°C (74°) in the previous month and 21°C (70°F) in the next month.

The average temperature in San Clemente Beach in September is 17°C (63°F). The average temperature is 20°C (68°F) in the previous month and 17°C (63°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is San Clemente Beach in September?

The average day light hours per day in San Clemente Beach in September are 12.4. The sunshine percentage is 73% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright.

More about September sunshine.

Crowds in San Clemente Beach in September

As summer winds down, the crowds at San Clemente Beach start to decrease in September. However, the weather is still warm, and the beach remains relatively busy, especially during Labor Day weekend. After the holiday weekend, the crowds begin to thin out as the school year starts.

Temperature in San Clemente Beach in September

The weather in September is noticeably colder than the previous month. The average maximum temperature in San Clemente Beach in September is 21°C (70°F). The average maximum temperature is 23°C (74°F) in the previous month and 21°C (70°F) in the next month.

The average temperature in San Clemente Beach in September is 17°C (63°F). The average temperature is 20°C (68°F) in the previous month and 17°C (63°F) in the next month.

The average minimum temperature in San Clemente Beach in September is 14°C (56°F). The minimum temperature is 17°C (63°F) in the previous month and 14°C (57°F) in the next month.

Sunshine in San Clemente Beach in September

The days in September are slightly shorter than the previous month and days continue to get slightly shorter into October. September has fewer hours of sunshine than the previous month and hours of sunshine continue to drop into October. During September the average day light hours are 12.4 per day in San Clemente Beach. The sunshine percentage is 73% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.0hrs making the days long and bright.

The ultraviolet index in San Clemente Beach in September is typically 9.2 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. 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 San Clemente Beach in September

The average sea water temperature in San Clemente Beach in September is 21°C (69.8°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in September is slightly warmer than the previous month.

Rainfall in San Clemente Beach in September

September weather is slightly drier than the previous month. September has a couple of more days of rain than the previous month and rainy days continue to rise into October. The average total rainfall in San Clemente Beach in September is 0cm (0inches) and on average there are 3.1 rainy days in September making it a very dry time to visit the beach.

Humidity in San Clemente Beach in September

The maximum dew point (an indicator of humidity) in San Clemente Beach in September is 17°C (63°F) which is OK for most but slightly uncomfortable for some. The dew point is 17°C (62°F) in the previous month and 15°C (15°F) in the next month.

The average maximum relative humidity in San Clemente Beach in September is typically 88.5%. The maximum relative humidity is 87% in the previous month and 86.8% in the next month.

The average relative humidity in San Clemente Beach in September is typically 78%. The average relative humidity is 77.3% in the previous month and 74.8% in the next month.

Wind Speed in San Clemente Beach in September

The average maximum wind speed in San Clemente Beach in September is typically 20KM/H (13MPH). The average maximum wind speed is 20KM/H (13MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind speed in San Clemente Beach in September is typically 7KM/H (4MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 8KM/H (5MPH) in the next month.

The average wind direction in San Clemente Beach in September is from the West-Northwest.

Monthly Averages

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