São Luís Weather in September
What's the weather like in São Luís (Maranhão) in September 2024?
The climate in São Luís during September can be summarized as hot, humid and dry.
September is in the spring in São Luís and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (74°F) is normal.
| Daytime temperature | 31.7°C 89.1°F |
|---|---|
| Nightly temperature | 23.5°C 74.3°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 18 mm 0.7 ins |
| Rainy days | 6 days |
| Sea temperature | 27.2°C 81°F |
| Humidity | 79% |
| Windspeed | 12.6kph 8 mph |
On average September is the 3rd driest month of the year in São Luís with around 18mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
September temperatures in São Luís
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in São Luís in September 2024.
Other monthly averages
Best places to visit in September
São Luís weather stats
| Hottest month: | November | 31.8°C 89.2°F |
|---|---|---|
| Driest month: | October | 10mm 0.4ins |
| Sunniest month: | August | 9hrs |
| Coldest month: | March | 29.7°C 85.5°F |
| Wettest month: | April | 431mm 17ins |
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