September 25 is statistically one of the best days of the year in Montevideo. With minimal rain risk (12%) and pleasant highs of 16°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Montevideo right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Montevideo
Currency
UYU
$ Uruguayan peso
Language
Spanish
Driving
Right side
Safety
High Safety
GPI: 1.795
Montevideo Weather Forecast for September 25
"Mild & Comfortable. Expect average highs of 16.2°C. 12% chance of rain."
What to Wear in Montevideo in September
Based on historical data for September 25, Montevideo typically experiences temperatures between 11°C and 16.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Montevideo
Smart Suitcase
- Light Jacket
- Long Pants
Average High
16.2°C
Daytime Peak
Average Low
11°C
Nighttime Low
Feels Like
16.2°C
🌤️ Feels accurate
Rain Chance
12%
Avg 0.5mm if it rains
Cloud Cover
51%
Overcast
Pressure
1019.7 hPa
Medium volatility
Montevideo Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 25 min to burn
Type III-IV
🟡 38 min to burn
Type V-VI
🟢 63 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Uruguay
Flight Traffic
High
92/100 pressure index
Health Advisory
Recommended
1 vaccine • View Details →
Landing Slots
~24
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Montevideo
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:31
☀️ Noon
12:37
🌇 Sunset
18:44
⏱️ Daylight
12h 12m
Wind Speed
22.1 km/h
Moderate wind
Sunshine
9.3 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Montevideo
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Montevideo
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Montevideo on September 25 averages 16.2°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Montevideo Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (September 25) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Montevideo Worth Visiting on September 25?
Planning a trip to Montevideo on September 25? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 16.2°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 24 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Uruguay, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 15.4°C (polar plunge). Wave conditions are generally fun waves with heights around 0.72m.
📊 Historical Extremes: The hottest September 25 recorded in the last 30 years saw temperatures hit 20.8°C in 2019, while the coldest dropped to 6.8°C in 2025.