BestDateWeather
✈️ Plan my tripPlan trip
Uruguay, Uruguay · Temperate oceanic

Uruguay in September: go or not?

Good time. Uruguay in September gets 7.3/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 34.91°S · 56.19°W
⚡ This month's verdict
Go for it
Uruguay · September
7.3
11–16°
Temperature
26%
Rain
7h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Marcela Laskoski via Unsplash
The month in detail

What to expect in September

Autumn in Uruguay is often underrated: 16.0°C, golden light and declining crowds. An interesting window. Expect rain on 26.0% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. January (8.5/10) is significantly better if possible.

September ranks 8 out of 12 months in Uruguay.

This month's conditions

What it's like in September

UV index
6 · moderate
protect during midday hours
Feels like
dry air
10°
Sea
15°C
cold, for the brave
Daylight
11.8h of daylight
Air quality
good
AQI 24
Compare

Is September the right month?

The best month in Uruguay is January (8.5/10), 1.2 pt higher than September.

See January →See all 12 months →
Context

Our verdict

Uruguay, the smallest Spanish-speaking South American country: 3.5 million inhabitants on 176,000 km², squeezed between Argentina and Brazil. Considered one of the most stable, democratic and progressive countries in Latin America (first country to legalise gay marriage and cannabis).

Read Gilles' full review →

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 · Uruguay
Expedia →
🎟️
Activities
Tours, tickets, experiences
See ↓
✈️
Flights
Multi-airline comparator
Kiwi →

🎟️ Activities & tours · Uruguay

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
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 · Uruguay

🗣️LanguageSpanish
💶CurrencyPeso uruguayen ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 26°C
❄️Coolest monthJuly · 13°C
🌧️Rainiest month ⓘMarch · 36%

🏖️ 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.

Similar climate
MontevideoUruguayPunta del EsteUruguayBuenos AiresArgentinaPorto AlegreBrazilSydneyAustralia
Nearby
RosarioArgentina465 kmCórdobaArgentina839 kmIguazúArgentina1039 kmAsunciónParaguay1081 km
Other top picks
OaxacaMexico7.3LimaPeru7.5SantiagoChile7.6GuanajuatoMexico7.7San Miguel de AllendeMexico7.7
← AugustOctober →
🗺️ See all 754 destinations on the map
Location

Where is Uruguay ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Uruguay
Temperate oceanic climate with a 8.5 → 4.3 gap between best and worst month. 10 years of ERA5 data to choose by project.
34.91°S · 56.19°W
Questions

Frequently asked questions

What is the best time to visit Uruguay?
January is the best month with 26.0°C highs, 20.0°C lows, 8.9h of sunshine and 27.0% rainy days. The months of January & December offer comparable conditions.
How many hours of sunshine does Uruguay get in January?
Uruguay averages 8.9 sunshine hours per day in January. It is the sunniest month with a climate score of 8.0/10.
What is the rainiest month in Uruguay?
June is the most unfavourable month with June has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Uruguay in January?
In January, overnight lows reach 20.0°C, while afternoon highs average 26.0°C.
Is Uruguay good in winter?
In winter (December-February), Uruguay scores 7.9/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 8.0/10.
When should you avoid Uruguay?
June is the most difficult month to visit Uruguay, with June has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Uruguay in September?
In September, the sea averages 15°C in Uruguay: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Uruguay in September?
The average UV index reaches 6 in September in Uruguay (moderate), with about 11.8h of daylight. Protect during midday hours.