Weather in Morbihan for September 2026
So far, September 2026 in Morbihan shows a warmer trend than usual by 2.5 °C.
In general, the average temperature in Morbihan at the beginning of September is 23.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.6 °C by the end of September.
Morbihan experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 361.9 mm.
Is September a good time to visit Morbihan? check out the best time to travel to Morbihan page.
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Morbihan Weather September
Temperatures trend during September in Morbihan
September weather in Morbihan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate or heavy rain shower | 22° /14° | 6.4 mm | 5 | |
| 2 Sept. |  Sunny | 23° /13° | 1.7 mm | 5 | |
| 3 Sept. | Sunny | 23° /15° | 1.6 mm | 5 | |
| 4 Sept. |  Patchy rain possible | 23° /15° | 0.7 mm | 5 | |
| 5 Sept. | Patchy rain possible | 24° /14° | 0.6 mm | 5 | |
| 6 Sept. | Sunny | 25° /15° | 3.4 mm | 5 | |
| 7 Sept. |  Partly cloudy | 23° /16° | 7.8 mm | 5 | |
| 8 Sept. |  Heavy rain at times | 22° /15° | 4 mm | 5 | |
| 9 Sept. | Patchy rain possible | 21° /14° | 1.8 mm | 5 | |
| 10 Sept. | Patchy rain possible | 21° /13° | 3.3 mm | 4 | |
| 11 Sept. | Partly cloudy | 22° /13° | 0.8 mm | 5 | |
| 12 Sept. | Partly cloudy | 22° /13° | 0.5 mm | 5 | |
| 13 Sept. | Partly cloudy | 23° /14° | 2.3 mm | 5 | |
| 14 Sept. | Sunny | 23° /14° | 1.7 mm | 5 | |
| 15 Sept. | Patchy rain possible | 23° /13° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 22° /12° | 1.4 mm | 5 | |
| 17 Sept. | Partly cloudy | 20° /12° | 0.8 mm | 4 | |
| 18 Sept. | Patchy rain possible | 21° /12° | 0.7 mm | 5 | |
| 19 Sept. | Patchy rain possible | 22° /13° | 0.1 mm | 5 | |
| 20 Sept. |  Overcast | 22° /12° | 1.5 mm | 4 | |
| 21 Sept. | Light rain shower | 21° /12° | 2.1 mm | 5 | |
| 22 Sept. | Sunny | 21° /11° | 0.9 mm | 5 | |
| 23 Sept. | Patchy rain possible | 20° /11° | 1.4 mm | 4 | |
| 24 Sept. |  Cloudy | 21° /12° | 0.8 mm | 4 | |
| 25 Sept. | Patchy rain possible | 20° /12° | 3.5 mm | 4 | |
| 26 Sept. | Overcast | 19° /12° | 1.8 mm | 4 | |
| 27 Sept. | Patchy rain possible | 19° /12° | 2.4 mm | 4 | |
| 28 Sept. | Patchy rain possible | 18° /11° | 3.9 mm | 4 | |
| 29 Sept. | Partly cloudy | 19° /11° | 1.4 mm | 4 | |
| 30 Sept. | Patchy rain possible | 21° /14° | 3.3 mm | 3.3 | |
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Morbihan weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 29°/12° | 25°/10° | 20°/10° |
| Rainfall | 242 mm | 362 mm | 519 mm |
| Wind | 23.7 km/h | 23.8 km/h | 27.7 km/h |
| Humidity | 70% | 74% | 78% |
| Rainy days | 3 days | 6 days | 15 days |
| Dry days | 28 days | 24 days | 16 days |
Planning a trip to Morbihan? Discover the best time to visit
Morbihan in September - FAQ
What are the expected maximum and minimum temperatures in Morbihan during September?
How much rainfall should be expected in Morbihan during September?
What are the typical wind conditions in Morbihan during September?
September rainfall patterns in Morbihan
UV exposure in Morbihan during September
What to pack to Morbihan in September?
Mild & changeable · highs around 25 °C, frequent showers
As you prepare for your trip to Morbihan 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 Morbihan, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Morbihan?Get accurate weather forecasts for Morbihan, located at latitude 47.657 and longitude -2.762. Stay updated with localized weather information tailored for Morbihan.