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Coimbra Weather in September
September in Coimbra brings high temperatures, with highs of 27°C (81°F) and nights dropping to 15°C (59°F). With excellent weather conditions overall, it's a good time to visit.
Rainfall in Coimbra in September
Rain is expected on roughly 9 days, totalling around 57 mm (2.2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Coimbra in September
Weather in Coimbra is at its excellent in September. Highs reach 27°C (81°F), while nights settle around 15°C (59°F). The month of September belongs to the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Coimbra in September
Expect sunny days throughout the month, with an estimated 230 hours of sunshine. This makes it a pleasant time to visit Coimbra.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Coimbra Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
27°C (81°F)
Chance of Rain
29%
Precipitation
57 mm (2.2 in)
Rainy days
9 days
Humidity
68%
Sunshine
230 hours
Percentage Sunshine
Coimbra Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Coimbra - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2024)
Based on our historical records, temperatures in Coimbra typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 16°C (61°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2024)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Coimbra in September
Browse day-by-day weather records for Coimbra spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Coimbra historical weather extremes in September
Based on 48 years of weather observations in Coimbra between 1976 and 2024, these are the recorded extremes.
- The hottest September day on record in Coimbra reached 40°C (104°F) (September 6, 1988).
- Coimbra experienced its chilliest September day on September 26, 1992, reaching only 15°C (59°F).
- The coldest night in September in Coimbra was on September 27, 1981, with a minimum of 5°C (41°F).
Best Places in Portugal in September
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal 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 Coimbra in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Coimbra in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping8/10 -
Outdoor sports8/10
Coimbra 3-Day Forecast
More climate data for Coimbra
Temperature Rainfall Sunshine Humidity
See the full Coimbra climate overview or explore weather in Portugal.
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