Aruba weather in September
Aruba averages 32°C by day and 28°C at night in September, with the sea at 29°C and about 40 mm of rain in the month.
Day
32°C
Night
28°C
Sea
29°C
Rain
40 mm
Flight from London
9½h
What September feels like
September is hot in Aruba: proper beach weather.
The sea is warm at 29°C: comfortable for long swims.
Rain is occasional: about 40 mm in the month.
That is 12°C warmer than an average September day in London.
Of the 56 sun destinations we track, Aruba is the #10 warmest in September.
Want it warmer in September?
These are hotter than Aruba this month for at most an hour and a half more flying:
Aruba weather by month
September is highlighted. Compare with August and October, or see the full year in Aruba.
Aruba in September: quick answers
Is Aruba hot in September?
September is hot in Aruba: proper beach weather. Average highs are 32°C and lows 28°C.
Can you swim in Aruba in September?
The sea is warm at 29°C: comfortable for long swims.
Does it rain in Aruba in September?
Rain is occasional: about 40 mm in the month.
What is the warmest month in Aruba?
September, at an average high of 32°C. The coolest is January at 28°C.
How long is the flight to Aruba from the UK?
About 9½h direct from London, estimated from the 7,512 km distance. Check your airline for exact times.
Still choosing? See where is hot in September for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in September from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. Rain is the average monthly total. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Aruba in September?
Save the restaurants, beaches and views you find on TikTok and Instagram for Aruba straight to a map, then let Dream Trip turn them into a day-by-day plan.
