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Best
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Tan
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Sea
15°
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15°
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15°
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16°
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16°
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18°
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19°
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20°
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19°
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17°
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16°
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15°
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September is one of the best months to visit La Jolla for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
The weather in September is slightly warmer than the previous month. September has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.8hrs making the days long and bright.
September has total rainfall of 2.6cm (1.0inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.2 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 cool 19°C (67°F). September is a slightly chilly month for swimming in La Jolla. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.
Also consider visiting La Jolla 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.
Yes, September is a great time for sunbathing in La Jolla.
September has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.8hrs making the days long and bright. September has total rainfall of 2.6cm (1.0inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.2 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.
Yes, September is a a slightly chilly month for swimming in La Jolla with cool sea temperatures 19°C (67°F).
More about September sea temperatures.
Yes, September is a great time for a holiday in La Jolla.
September has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.8hrs making the days long and bright. September has total rainfall of 2.6cm (1.0inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.2 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 cool 19°C (67°F). September is a slightly chilly month for swimming in La Jolla.
More about the September temperatures and sunshine.
Yes, La Jolla is very warm and perfect for sunbathing on clear days in September.
The average maximum temperature in La Jolla in September is 26°C (78°F). The average maximum temperature is 26°C (78°) in the previous month and 24°C (74°F) in the next month.
The average temperature in La Jolla in September is 21°C (70°F). The average temperature is 21°C (71°F) in the previous month and 18°C (65°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in La Jolla in September are 12.4. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.8hrs making the days long and bright.
More about September sunshine.
The weather in September is slightly warmer than the previous month. The average maximum temperature in La Jolla in September is 26°C (78°F). The average maximum temperature is 26°C (78°F) in the previous month and 24°C (74°F) in the next month.
The average temperature in La Jolla in September is 21°C (70°F). The average temperature is 21°C (71°F) in the previous month and 18°C (65°F) in the next month.
The average minimum temperature in La Jolla in September is 17°C (62°F). The minimum temperature is 18°C (64°F) in the previous month and 14°C (56°F) in the next month.
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 La Jolla. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 8.8hrs making the days long and bright.
The ultraviolet index in La Jolla 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.
The average sea water temperature in La Jolla in September is 19.4°C (66.9°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.
September weather is slightly wetter 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 La Jolla in September is 2.6cm (1.0inches) and on average there are 2.2 rainy days in September making it a very dry time to visit the beach.
The maximum dew point (an indicator of humidity) in La Jolla in September is 17°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 14°C (14°F) in the next month.
The average maximum relative humidity in La Jolla in September is typically 88.4%. The maximum relative humidity is 87.6% in the previous month and 86.5% in the next month.
The average relative humidity in La Jolla in September is typically 72.8%. The average relative humidity is 74% in the previous month and 68.5% in the next month.
The average maximum wind speed in La Jolla in September is typically 18KM/H (11MPH). The average maximum wind speed is 18KM/H (11MPH) in the previous month and 19KM/H (11MPH) in the next month.
The average wind speed in La Jolla in September is typically 6KM/H (4MPH). The average wind speed is 6KM/H (4MPH) in the previous month and 6KM/H (4MPH) in the next month.
The average wind direction in La Jolla in September is from the West.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
