The month in detail
What to expect in September
Autumn marks the end of peak season in Loreto. Temperatures drop (33°C) and rain returns (30% of days). Expect rain on 30% of days — a light raincoat in the bag is recommended.
September ranks 12 out of 12 months in Loreto. Compared to August: 10 pts more rainy days, −1.0h of sun per day.
This month's conditions
What it's like in September
UV index
8 · very high
protection essential
Feels like
very humid
21°
Sea
31°C
warm, ideal
Daylight
12.1h of daylight
Air quality
good
AQI 30
Compare
Is September the right month?
The best month in Loreto is April (9.4/10), 5.7 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Loreto
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Loreto
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Mexico
🗣️LanguageSpanish
💶CurrencyMexican Peso ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJuly · 34°C
❄️Coolest monthJanuary · 23°C
🌧️Rainiest month ⓘSeptember · 30%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Loreto ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
MexicoTemperate oceanic climate with a 9.4 → 3.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
26.01°N · 111.34°W
Questions
Frequently asked questions
What is the best time to visit Loreto?
April is the best month with 28.0°C highs, 19.0°C lows, 9.2h of sunshine and 2.0% rainy days. The months of April & May offer comparable conditions.
How many hours of sunshine does Loreto get in April?
Loreto averages 9.2 sunshine hours per day in April. It is the sunniest month with a climate score of 9.3/10.
What is the rainiest month in Loreto?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Loreto in April?
In April, overnight lows reach 19.0°C, while afternoon highs average 28.0°C.
Is Loreto good in winter?
In winter (December-February), Loreto scores 8.3/10 on average — Decent period conditions for cultural visits.. The best month overall remains April with a score of 9.3/10.
When should you avoid Loreto?
September is the most difficult month to visit Loreto, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Loreto in September?
In September, the sea averages 31°C in Loreto: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Loreto in September?
The average UV index reaches 8 in September in Loreto (very high), with about 12.1h of daylight. Protection essential.