Weather in Brest for September 2027
In general, the average temperature in Brest at the beginning of September is 21.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.5 °C by the end of September.
The climate of Brest in September is notably wet, with an average of 11 rainy days, and a total of 79.1 mm of precipitation.
Is September a good time to visit Brest? check out the best time to travel to Brest page.
✨ Is September a good time to visit Brest? – Ask the AI Weatherman
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Brest Weather September
Temperatures trend during September in Brest
September weather in Brest day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 20° /14° | 5.5 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 20° /14° | 2.2 mm | 5 | |
| 3 Sept. | Patchy rain possible | 21° /14° | 2.1 mm | 5 | |
| 4 Sept. | Light rain | 21° /15° | 3.7 mm | 5 | |
| 5 Sept. | Patchy rain possible | 22° /14° | 1.8 mm | 5 | |
| 6 Sept. |  Sunny | 24° /14° | 0.7 mm | 5 | |
| 7 Sept. | Light rain | 22° /15° | 6.4 mm | 5 | |
| 8 Sept. | Light rain | 19° /15° | 8.1 mm | 4 | |
| 9 Sept. | Patchy rain possible | 19° /14° | 2.3 mm | 4 | |
| 10 Sept. | Patchy rain possible | 19° /13° | 1.2 mm | 4 | |
| 11 Sept. | Patchy rain possible | 20° /13° | 1.5 mm | 4 | |
| 12 Sept. | Patchy rain possible | 19° /13° | 1.2 mm | 4 | |
| 13 Sept. | Light rain | 20° /14° | 2.6 mm | 5 | |
| 14 Sept. | Light rain | 20° /13° | 2.6 mm | 5 | |
| 15 Sept. | Patchy rain possible | 19° /13° | 0.1 mm | 5 | |
| 16 Sept. | Patchy rain possible | 19° /13° | 0.7 mm | 4 | |
| 17 Sept. | Light rain | 19° /13° | 2.9 mm | 4 | |
| 18 Sept. | Patchy rain possible | 19° /13° | 0.9 mm | 4 | |
| 19 Sept. |  Cloudy | 20° /13° | 0.1 mm | 4 | |
| 20 Sept. | Light rain | 19° /13° | 7.3 mm | 4 | |
| 21 Sept. | Light rain | 19° /12° | 3.1 mm | 4.6 | |
| 22 Sept. | Light rain | 19° /11° | 2.9 mm | 4 | |
| 23 Sept. | Light rain | 17° /12° | 4.9 mm | 4 | |
| 24 Sept. | Patchy rain possible | 19° /12° | 0.4 mm | 4 | |
| 25 Sept. | Patchy rain possible | 18° /12° | 1.6 mm | 4 | |
| 26 Sept. | Patchy rain possible | 17° /12° | 2.2 mm | 4 | |
| 27 Sept. | Light rain | 17° /12° | 3.2 mm | 3 | |
| 28 Sept. | Patchy rain possible | 16° /11° | 1.7 mm | 3 | |
| 29 Sept. | Patchy rain possible | 18° /11° | 1.8 mm | 3.9 | |
| 30 Sept. | Light rain | 17° /11° | 3.4 mm | 3.8 | |
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Brest weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 21°/14° | 19°/13° | 16°/11° |
| Rainfall | 53 mm | 79 mm | 96 mm |
| Wind | 22.8 km/h | 23.8 km/h | 26.8 km/h |
| Humidity | 76% | 78% | 81% |
| Rainy days | 10 days | 11 days | 15 days |
| Dry days | 21 days | 19 days | 16 days |
Planning a trip to Brest? Discover the best time to visit
Brest in September - FAQ
What are the expected maximum and minimum temperatures in Brest during September?
How much rainfall should be expected in Brest during September?
What are the typical wind conditions in Brest during September?
September rainfall patterns in Brest
UV exposure in Brest during September
What to pack to Brest in September?
Mild · highs around 19 °C, frequent showers
As you prepare for your trip to Brest in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Brest, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Brest?Get accurate weather forecasts for Brest, located at latitude 48.39 and longitude -4.486. Stay updated with localized weather information tailored for Brest.