Trujillo weather in September
September in Trujillo: warm, dry, with clean air — one of the best months to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Trujillo · #105 of 1413 destinations to visit in September · comfort 93/100 (tier S)
- Days
- 22°C
- Nights
- 17°C
- Wet days
- 1
- Sun
- 11.1 h
- Humidity
- 83%
- Daylight
- 12 h
Traveller notes on Trujillo in September
Other months in Trujillo
Peru's coast forum treats Trujillo and nearby Huanchaco as reliably good through April, the tail end of the region's better weather stretch for surfing, comparable to the pleasant conditions posters described for Lima on the same coast. This stretch of desert coastline is normally quite dry, but forum threads about El Niño years are a reminder that Trujillo can see genuinely unusual, heavier rain when that pattern is active - 2017's flooding came up specifically. In a typical April, though, expect scattered light showers rather than a washout, with warm, humid days good for the beach.
Forum posters describe October as Peru's spring, generally warm and bright without tipping into properly hot - typically 16-23C - with genuinely good sunshine odds along the coast (averaging around 10 hours a day). Posters call October a shoulder-season month with better conditions typically found earlier in the month than toward its end. Trujillo specifically is described by posters as a mild, comfortable coastal city known for its colonial architecture, nearby Chan Chan and Huaca del Sol/Huaca de la Luna archaeological sites, and Huanchaco's famous surf breaks just up the coast - a worthwhile stop for travelers passing through northern Peru rather than only a Lima-Cusco itinerary.
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Trujillo climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Trujillo in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyFestival de la Primavera, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Trujillo's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherTrujillo's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Trujillo in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Swell season at Huanchaco
1 Apr – 31 Oct · usuallySurf seasonThe long left at Huanchaco works best on the southern-winter swells, when the fishermen's reed caballitos share the break with a line-up of boards. Cold water and a grey sky come with it.
- Season
Grey coastal months
1 Jun – 15 Oct · usuallyFog seasonThe cold current holds low cloud over this coast through the southern winter, so mornings at Chan Chan and the huacas are flat and grey and the sun often only turns up after lunch.
- Festival
Festival de la Primavera
20 Sep – 5 Oct · usuallyMajor festivalCrowdedThe spring festival closes the main avenues for a corso of floats, marinera dancers and paso horses over the turn of the month. It is the week the city is worth planning around. Source ↗
Where is Trujillo?
Trujillo in September — FAQ
- Is September a good time to visit Trujillo?
- September in Trujillo: warm, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Trujillo on SeasonMap's comfort score (93/100).
- What is the weather like in Trujillo in September?
- In September, Trujillo averages a daily high of 22.4°C and a low of 17.3°C, with about 3.2 mm of rain over roughly 1.3 rainy days.
- What is the air quality in Trujillo in September?
- Trujillo has a mean US Air Quality Index of about 50 in September.