Carlsbad Weather in September
September in Carlsbad averages 31°C (88°F) during the day and 16°C (61°F) at night. It is the wettest month of the year, with 96 mm (3.8 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Carlsbad in September
The month brings the most rain, so be prepared with an umbrella for the occasional shower. Historically, the month has about 9 days of rain, averaging 96 mm (3.8 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Carlsbad in September
September in Carlsbad brings very high temperatures, with highs of 31°C (88°F) and nights around 16°C (61°F). It's usually most comfortable outside during the morning and later in the day. With lows of 16°C (61°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.If your ideal day consists of dry skies and pleasant temperatures, February, March, April, October and November typically offer the best circumstances for Carlsbad.
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 Carlsbad's climate page.
Carlsbad Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
31°C (88°F)
Chance of Rain
30%
Precipitation
96 mm (3.8 in)
Rainy days
9 days
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
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tolerable
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What to Wear in Carlsbad 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. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Carlsbad 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 Carlsbad's climate page.
See the full Carlsbad climate overview or explore weather in the United States of America.
