Aruba
Aruba in September: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Aruba in September is climatically well suited to beach holidays and family holidays. The average daily high is around 29 °C, and the sea is about 29 °C. With about 12 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
69/100 · #10
Warmth
#1
Dryness
#10
Sun
#2
Sea warmth
#2
Published best categories: none
Aruba · SeptemberPhoto: EgorovaSvetlana · CC BY-SA 4.0Climate facts
- Average high
- 29 °C
- Average low
- 28 °C
- Sea
- 29 °C
- Rainy days (est.)
- 12 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 81 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 29 | 28 | 8 | 30 | 8.1 | 81 | 7.0 | 28 | 77 |
| September (selected) | 29 | 28 | 12 | 47 | 7.8 | 81 | 6.2 | 29 | 69 |
| October | 29 | 28 | 18 | 79 | 6.9 | 81 | 5.8 | 29 | 60 |
How do the previous and next months compare?
Baseline: September (69/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | +8 | -0.3 °C | -0.3 °C | -3.8 | -16.2 mm | +0.3 h | +0.5 % | +0.7 m/s | -0.6 °C |
| October | -9 | -0.2 °C | -0.2 °C | +5.5 | +32 mm | -0.9 h | ±0 % | -0.4 m/s | +0.1 °C |
All twelve months in context
Find a place to stay
Where to stay in Aruba
Compare available stays, prices and cancellation terms for Aruba on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Aruba in September?
The average daily high is around 29 °C, with an average daily low of about 28 °C.
Can you swim in Aruba in September?
The sea is about 29 °C (very warm).
Does it rain a lot in Aruba in September?
The curated estimate is about 12 rainy days per month, not a directly measured long-term average. Total precipitation averages around 47 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Aruba?
By the climate score, January, February, March and April are the strongest months for Aruba. For a beach trip: February, March, April and May. September is not among them.