Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
September verdict
Very good for holiday weather
Average highs sit around 26°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 25mm, which is relatively low for holiday planning.
Monthly averages
Temp
26°C
Rain
25mm
Sun
8.5h
Weather score
81
Very good
Warm
Average highs sit around 26°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 25mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Map
Compare Sesimbra, Portugal with nearby places by weather score, rain, sun, temperature, and swim conditions.
September26°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
September25mm average rain
September sits on the drier side of Sesimbra's year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September8.5 hours average sun
September sits close to Sesimbra's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
September81 weather score
September scores above Sesimbra's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.