Del Mar
Weather by month
Current – 10-day forecastForecast

Del Mar Weather in September

Thinking of visiting Del Mar in September? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 18°C (64°F) at night, with minimal rainfall.

Rainfall in Del Mar in September

Climate statistics over the past 30 years suggest around a single day of rain, with 4.3 mm (0.2 in) average for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.

Temperature in Del Mar in September

Del Mar in September has excellent weather. Days reach 24°C (75°F) and nights cool to 18°C (64°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it sees the highest temps of the year.

Sunshine in Del Mar in September

Enjoy a sunny month with about 253 hours of sunshine, the clear skies make Del Mar even more beautiful.

If your ideal day consists of dry skies and pleasant temperatures, March, April, May, June, July, August, September, October and November typically offer the best circumstances for Del Mar.

Del Mar Temperature in September

Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Chance of Rain
3%
Precipitation
4.3 mm (0.2 in)
Rainy days
a single day
Humidity
74% *
Sunshine
253 hours *
Percentage Sunshine
68% *
* Data from: San Diego, the United States of America (29 KM, 18 Miles).

Del Mar Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Del Mar - and find the best time to visit.

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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Del Mar in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Del Mar in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Del Mar 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.