Santa Cruz Weather in September
September in Santa Cruz sees daytime temperatures around 30°C (86°F) and lows of 27°C (81°F) at night. With around 74 mm (2.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Santa Cruz in September
Historically, approximately 7 days this month are expected to have rain, averaging 74 mm (2.9 in). 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 Santa Cruz in September
Daytime temperatures in Santa Cruz reach 30°C (86°F) in September, dropping to 27°C (81°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.
Wind Speed in Santa Cruz in September
Wind speeds average 7 m/s (14 knots) during September. At this speed, you experience strong wind that can make entire trees sway and create resistance when walking. Since this is an average, expect variation from moderate windy periods to particularly gusty days when umbrellas become difficult to control.
Average water temperature in September
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.For Santa Cruz itself, January, February, March, April, May, June, July, August and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Aruba, check out our Santa Cruz's climate page.
Santa Cruz Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F) *
Chance of Rain
23%
Precipitation
74 mm (2.9 in)
Rainy days
7 days
Humidity
78% *
Windspeed
7 m/s (14 knots) *
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Santa Cruz typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in September
Historical weather for Santa Cruz in September
Browse day-by-day weather records for Santa Cruz spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Santa Cruz historical weather extremes in September
Based on 30 years of weather observations in Santa Cruz between 1995 and 2025, these are the recorded extremes.
- The warmest day in September was on September 17, 2005, with a maximum of 36°C (97°F).
- Santa Cruz experienced its chilliest September day on September 30, 2016, reaching only 28°C (82°F).
- The lowest overnight temperature recorded in September was 23°C (73°F) (September 18, 2020).
Best Places in Aruba in September
Find out more about the weather in Aruba and which places have the best travel conditions in this month. See all of Aruba in September →
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What to Wear in Santa Cruz in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Santa Cruz 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 Aruba, check out our Santa Cruz's climate page.
Temperature Rainfall Humidity Wind Speed Water Temp
See the full Santa Cruz climate overview or explore weather in Aruba.
