Cool
Average highs are around 17°C, so pack for cooler days.
September verdict
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 95mm, so some wet days are possible.
Monthly averages
Temp
17°C
Rain
95mm
Sun
4.9h
Sea
16°C
Weather score
31
Poor
Cool
Average highs are around 17°C, so pack for cooler days.
Showers
Rainfall averages 95mm, so some wet days are possible.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 16°C, so the water can feel cool.
Map
Compare Lundy, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
September17°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.
September95mm average rain
September sits near Lundy's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September4.9 hours average sun
September sits close to Lundy's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
September16°C average sea
September is one of Lundy's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
September31 weather score
September sits close to Lundy's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
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