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Sao Luis weather in September 2021
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- 3232°C max day temperature
- 66 days with some rainfall
- 2424°C min night temperature
- 1212 hours of daylight per day
- VHVery High heat & humidity
- 1818 mm of monthly rainfall
- 1111+ (Extreme) UV index
- 2727°C sea temperature
Recommended for Brazil
The September weather guide for Sao Luis, Brazil shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How hot is it in Sao Luis in September?
Daytime temperatures usually reach 32°C in Sao Luis in September with very high heat and humidity, falling to 24°C at night.
How sunny is it in Sao Luis in September?
There are normally 8 hours of bright sunshine each day in Sao Luis in September - that's 69% of daylight hours.
How warm is the sea around Sao Luis in September?
The average sea temperature around Sao Luis in September is 27°C.
Does it rain in Sao Luis in September?
There are usually 6 days with some rain in Sao Luis in September and the average monthly rainfall is 18mm.
Metric (°C / mm) | Imperial (°F / inches)
Sao Luis sunrise & sunset times for September 2021
Browse the sunrise and sunset times for Sao Luis in September 2021. Select a month to view Sao Luis sunrise & sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||05:55||17:59|
|Wednesday, 15th September 2021||05:50||17:55|
|Thursday, 30th September 2021||05:43||17:51|
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