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Santa Cruz Weather in September

September in Santa Cruz typically sees daytime highs of 20°C (68°F) and nighttime lows of 12°C (54°F). Minimal rainfall is typical for this month.

Rainfall in Santa Cruz in September

On average, there are about a single day with rain during this month, averaging 4.5 mm (0.2 in). If rain does fall, it tends to be a moderate shower rather than anything heavy.

Temperature in Santa Cruz in September

The temperature in Santa Cruz in September is excellent. Daytime highs reach 20°C (68°F), with nights dropping to 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it sees the highest temps of the year.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Santa Cruz.

Santa Cruz Temperature in September

Min Temperature

12°C (54°F)

Max Temperature

20°C (68°F)

Chance of Rain

Precipitation

4.5 mm (0.2 in)

Rainy days

a single day

Santa Cruz Weather by Month

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

January

15°C (59°F)View January → February

16°C (61°F)View February → March

17°C (63°F)View March → April

16°C (61°F)View April → May

17°C (63°F)View May → June

19°C (66°F)View June → July

19°C (66°F)View July → August

19°C (66°F)View August → September

20°C (68°F)View September → This monthOctober

19°C (66°F)View October → November

17°C (63°F)View November → December

14°C (57°F)View December →

Best Time to Visit Santa Cruz →

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 →

Conditions Temperatures Precipitation

Temperatures Precipitation

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).

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.

What to Wear in Santa Cruz 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.