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Rivera Weather in September
In Rivera, September brings pleasant daytime temperatures around 22°C (72°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.
Rainfall in Rivera in September
Typically, about 12 days will experience rainfall, with an average of 143 mm (5.6 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rivera in September
In September, Rivera gets pleasant temperatures, with highs of 22°C (72°F). Nights cool to around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Rivera Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
22°C (72°F)
Chance of Rain
39%
Precipitation
143 mm (5.6 in)
Rainy days
12 days
Rivera Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rivera - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Rivera typically stay consistent throughout September, with daily highs averaging around 22°C (72°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Rivera in September
Browse day-by-day weather records for Rivera spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rivera historical weather extremes in September
Based on 26 years of weather observations in Rivera between 1999 and 2025, these are the recorded extremes.
- Rivera recorded its highest September temperature of 34°C (93°F) on September 11, 2013.
- Rivera experienced its chilliest September day on September 6, 2008, reaching only 7°C (45°F).
- Rivera registered its coldest September night on September 12, 2015, with temperatures dropping to 0°C (32°F).
Best Places in Uruguay in September
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Rivera in September
For Rivera in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Rivera in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Rivera 3-Day Forecast
More climate data for Rivera
See the full Rivera climate overview or explore weather in Uruguay.
Popular in September
Where to go in September - average daytime high across popular destinations.
Colonia del Sacramento
18°C (64°F) Montevideo18°C (64°F) La Pedrera17°C (63°F) José Ignacio
17°C (63°F) Piriápolis17°C (63°F) La Paloma16°C (61°F) Punta Del Diablo17°C (63°F) Punta del Este16°C (61°F) Bucket list
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