José Ignacio Weather in September
José Ignacio in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 11°C (52°F). Rainfall is fairly high this month at around 95 mm (3.7 in), so pack a rain jacket to stay dry.
Rainfall in José Ignacio in September
You can typically expect 10 days of rain this month, averaging around 95 mm (3.7 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in José Ignacio in September
Expect highs of 17°C (63°F) in José Ignacio in September, with nights dropping to around 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in José Ignacio in September
The area enjoys a balanced 171 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you prefer dry days with pleasant temperatures, January, March, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our José Ignacio's climate page.
José Ignacio Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Chance of Rain
34%
Precipitation
95 mm (3.7 in)
Rainy days
10 days
Sunshine
171 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in José Ignacio typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 10°C (50°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for José Ignacio in September
Browse day-by-day weather records for José Ignacio spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
José Ignacio historical weather extremes in September
Based on weather observations in José Ignacio between 1981 and 2025, these are the recorded extremes during September.
- On September 10, 2013, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 8°C (46°F), recorded on September 5, 2008.
- Nighttime temperatures dropped to -3°C (27°F) on September 4, 1988, marking the coldest September night on record.
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
What to Wear in José Ignacio in September
For José Ignacio 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in José Ignacio in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our José Ignacio's climate page.
See the full José Ignacio climate overview or explore weather in Uruguay.
