Mild
Average highs are around 21°C, so days are mild rather than hot.
September verdict
Tacna, Peru in September
Weather score54Mixed
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 7mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
21°C
Rain
7mm
Sun
6.9h
Sea
17°C
Weather score
54
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 7mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Tacna, Peru with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September21°C average high
September is on the cooler side of Tacna's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
September7mm average rain
September is close to Tacna's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
September6.9 hours average sun
September is below Tacna's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsApril to June, August, and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September17°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
September54 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April and November to December
These months have the strongest weather score in the monthly averages.