La Jolla Weather in September
In La Jolla, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 18°C (64°F). Minimal rainfall is to be expected.
Rainfall in La Jolla in September
Based on our climate data of the past 30 years, about a single day of rain are anticipated, with 4.8 mm (0.2 in) on average. If rain does fall, it tends to be a moderate shower rather than anything heavy.
Temperature in La Jolla in September
If you're visiting La Jolla in September, expect excellent temperatures with highs of 25°C (77°F) and overnight lows of 18°C (64°F). This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.
Sunshine in La Jolla in September
With approximately 253 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, July, August, September, October and November typically offer the best weather for La Jolla.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Jolla's climate page.
La Jolla Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
25°C (77°F)
Chance of Rain
3%
Precipitation
4.8 mm (0.2 in)
Rainy days
a single day
Humidity
74% *
Sunshine
253 hours *
Percentage Sunshine
68% *
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in La Jolla in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in La Jolla in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Jolla's climate page.
Temperature Rainfall Sunshine Humidity
See the full La Jolla climate overview or explore weather in the United States of America.
