United Arab Emirates
Dubai in September: weather, sea & travel advice
This month's data profile
Heat shapes the decision
Dubai in September is climatically mixed. The average daily high is around 38 °C, and the sea is about 33 °C. With about 0 rainy days it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
54/100 · #10
Warmth
#4
Dryness
#1
Sun
#6
Sea warmth
#3
Published best categories: none
Dubai · SeptemberPhoto: Tvisha2 · CC BY-SA 4.0Climate facts
- Average high
- 38 °C
- Average low
- 30 °C
- Sea
- 33 °C
- Rainy days (est.)
- 0 rainy days (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 56 %
For your trip planning
September: slightly less heat than August, hotter than October
In our series, September in Dubai has average daily highs of 38 °C, below August's 40 °C but clearly above October's 34 °C. Rain is almost absent, at 2 mm, the same as October, and even the average lows reach 30 °C. Strong heat is the defining factor, so build sun protection and midday shade into every day.
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 | 40 | 32 | 1 | 6 | 8.0 | 53 | 2.9 | 34 | 51 |
| September (selected) | 38 | 30 | 0 | 2 | 7.5 | 56 | 2.8 | 33 | 54 |
| October | 34 | 28 | 0 | 2 | 6.5 | 56 | 2.7 | 31 | 62 |
How do the previous and next months compare?
Baseline: September (54/100)
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 | -3 | +2 °C | +1.8 °C | +0.3 | +3.8 mm | +0.5 h | -3 % | +0.2 m/s | +0.8 °C |
| October | +8 | -3.3 °C | -2.5 °C | +0.1 | -0.1 mm | -1 h | +0.4 % | -0.1 m/s | -1.6 °C |
All twelve months in context
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Frequently asked questions
How warm is Dubai in September?
The average daily high is around 38 °C, with an average daily low of about 30 °C.
Can you swim in Dubai in September?
The sea is about 33 °C (very warm).
Does it rain a lot in Dubai in September?
The curated estimate is about 0 rainy days per month, not a directly measured long-term average. Total precipitation averages around 2 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Dubai?
By the climate score, January, February, March and December are the strongest months for Dubai. For a beach trip: February, March, April and December. September is not among them.