Brazil
Fortaleza in September: weather, sea & travel advice
This month's data profile
Sea conditions lead
Fortaleza in September is climatically well suited to beach holidays, family holidays and city breaks. The average daily high is around 30 °C, and the sea is about 27 °C. With about 1 rainy day it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
84/100 · #2
Warmth
#4
Dryness
#2
Sun
#1
Sea warmth
#12
Published best categories: Overall, Beach, City break, Active, Family
Fortaleza · SeptemberPhoto: Adrian Michael · CC BY-SA 3.0Climate facts
- Average high
- 30 °C
- Average low
- 25 °C
- Sea
- 27 °C
- Rainy days (est.)
- 1 rainy day (est.)
- Sun (est.)
- 8 h/day
- Humidity
- 72 %
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 | 25 | 3 | 10 | 7.7 | 74 | 6.2 | 27 | 85 |
| September (selected) | 30 | 25 | 1 | 4 | 8.3 | 72 | 6.5 | 27 | 84 |
| October | 30 | 26 | 1 | 4 | 8.3 | 72 | 6.4 | 27 | 83 |
How do the previous and next months compare?
Baseline: September (84/100)
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 | +1 | -0.5 °C | -0.5 °C | +1.6 | +6.5 mm | -0.6 h | +2.2 % | -0.3 m/s | ±0 °C |
| October | -1 | +0.3 °C | +0.6 °C | -0.1 | +0.1 mm | ±0 h | -0.4 % | -0.1 m/s | +0.3 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Fortaleza in September?
The average daily high is around 30 °C, with an average daily low of about 25 °C.
Can you swim in Fortaleza in September?
The sea is about 27 °C (warm).
Does it rain a lot in Fortaleza in September?
The curated estimate is about 1 rainy day per month, not a directly measured long-term average. Total precipitation averages around 4 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Fortaleza?
By the climate score, August, September, October and November are the strongest months for Fortaleza. For a beach trip: August, September, October and November. September is one of them.