Weather in Big Sur, United States in September

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Visiting Big Sur, United States in September

September is one of the best months to visit Big Sur 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 slightly into October. September has average maximum temperatures of 25°C (77°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 72.5% 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 0.8cm (0.3inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.5 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 chilly 17°C (63°F). September is a little too cold to enjoy swimming in Big Sur for prolonged periods of time. The sea temperature in September is slightly warmer than the previous month.

Also consider visiting Big Sur 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 Big Sur in September?

Yes, September is a great time for sunbathing in Big Sur.

September has average maximum temperatures of 25°C (77°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 72.5% 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 0.8cm (0.3inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.5 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 Big Sur in September?

Probably not, September is a little too cold to enjoy swimming in Big Sur for prolonged periods of time with the sea water at 17°C (63°F).

More about September sea temperatures.

Is September a good time to holiday in Big Sur?

Yes, September is a good time for a holiday in Big Sur.

September has average maximum temperatures of 25°C (77°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 72.5% 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 0.8cm (0.3inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.5 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 chilly 17°C (63°F). September is a little too cold to enjoy swimming in Big Sur for prolonged periods of time.

More about the September temperatures and sunshine.

Is Big Sur warm in September?

Yes, Big Sur is nice and warm and makes sunbathing pleasant on clear days in September.

The average maximum temperature in Big Sur in September is 25°C (77°F). The average maximum temperature is 26°C (79°) in the previous month and 23°C (74°F) in the next month.

The average temperature in Big Sur in September is 20°C (68°F). The average temperature is 22°C (71°F) in the previous month and 18°C (64°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Big Sur in September?

The average day light hours per day in Big Sur in September are 12.4. The sunshine percentage is 72.5% 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.

Temperature in Big Sur in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. The average maximum temperature in Big Sur in September is 25°C (77°F). The average maximum temperature is 26°C (79°F) in the previous month and 23°C (74°F) in the next month.

The average temperature in Big Sur in September is 20°C (68°F). The average temperature is 22°C (71°F) in the previous month and 18°C (64°F) in the next month.

The average minimum temperature in Big Sur in September is 15°C (60°F). The minimum temperature is 17°C (62°F) in the previous month and 13°C (55°F) in the next month.

Sunshine in Big Sur in September

The days in September are shorter than the previous month and days continue to get 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 Big Sur. The sunshine percentage is 72.5% 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 Big Sur in September is typically 8 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 Big Sur in September

The average sea water temperature in Big Sur in September is 17.4°C (63.3°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in September is slightly warmer than the previous month.

Rainfall in Big Sur in September

September weather is marginally wetter than the previous month and rainfall continues to rise slightly into October. September has a couple of more days of rain than the previous month and rainy days continue to rise slightly into October. The average total rainfall in Big Sur in September is 0.8cm (0.3inches) and on average there are 3.5 rainy days in September making it a very dry time to visit the beach.

Humidity in Big Sur in September

The maximum dew point (an indicator of humidity) in Big Sur in September is 16°C (62°F) which is OK for most but slightly uncomfortable for some. The dew point is 17°C (63°F) in the previous month and 15°C (15°F) in the next month.

The average maximum relative humidity in Big Sur in September is typically 90.7%. The maximum relative humidity is 90.5% in the previous month and 89.9% in the next month.

The average relative humidity in Big Sur in September is typically 72.8%. The average relative humidity is 73% in the previous month and 72.3% in the next month.

Wind Speed in Big Sur in September

The average maximum wind speed in Big Sur in September is typically 25KM/H (15MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind speed in Big Sur in September is typically 9KM/H (5MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 8KM/H (5MPH) in the next month.

The average wind direction in Big Sur in September is from the North 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.