The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
Brest Weather in September
With daytime temperatures of 20°C (68°F) and nighttime lows of 9°C (48°F), September in Brest brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 66 mm (2.6 in) falls on average.
Rainfall in Brest in September
Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 66 mm (2.6 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Brest in September
If you're visiting Brest in September, expect excellent temperatures with highs of 20°C (68°F) and overnight lows of 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Brest in September
The area enjoys a moderate level of sunlight, with around 176 hours. It's a good balance between sunny and cloudy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Brest.
Brest Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
42%
Precipitation
66 mm (2.6 in)
Rainy days
13 days
Humidity
78%
Sunshine
176 hours
Percentage Sunshine
45%
Brest Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Brest - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Brest typically drop from around 21°C (70°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-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 Brest in September
Browse day-by-day weather records for Brest spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Brest historical weather extremes in September
Based on weather observations in Brest between 1976 and 2026, these are the recorded extremes during September.
- Brest recorded its highest September temperature of 34°C (93°F) on September 1, 2015.
- Brest experienced its chilliest September day on September 30, 1993, reaching only 7°C (45°F).
- Nighttime temperatures dropped to -3°C (27°F) on September 29, 2002, marking the coldest September night on record.
Best Places in Belarus in September
Find out more about the weather in Belarus and which places have the best travel conditions in this month. See all of Belarus 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 Brest in September
For Brest 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Brest in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping4/10 -
Outdoor sports10/10
Brest 3-Day Forecast
More climate data for Brest
Temperature Rainfall Sunshine Humidity
See the full Brest climate overview or explore weather in Belarus.
Popular in September
Where to go in September - average daytime high across popular destinations.
Gomel
20°C (68°F) Bobruisk
19°C (66°F) Brest20°C (68°F) Baranavichy19°C (66°F) Mogilev18°C (64°F) Grodno19°C (66°F) Minsk18°C (64°F) Vitebsk18°C (64°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most charming villages in France
The train journey from Bucharest to Brasov is one of the most beautiful in Romania
In three hours, you'll get from Bucharest to Brasov by train. It is one of the most beautiful routes in Romania, certainly the most beautiful that can be done by express train.
An alternative way to discover Paris
From street art, vintage shops, vegetarian cafes, to amazing cultural events, Paris has much to offer for the creative traveler. An overview of sights that you must see if you want to visit this city in an alternative way.
The 10 most beautiful historical towns in Italy
Discover Italy's top 10 historic towns, featuring breathtaking medieval architecture and deep-rooted history, ideal for enthusiasts of extraordinary cities.