Weather in Dinan for September 2027
In general, the average temperature in Dinan at the beginning of September is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.3 °C by the end of September.
The climate of Dinan in September is notably wet, with an average of 13 rainy days, and a total of 66.9 mm of precipitation.
Is September a good time to visit Dinan? check out the best time to travel to Dinan page.
✨ Is September a good time to visit Dinan? – Ask the AI Weatherman
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Dinan Weather September
Temperatures trend during September in Dinan
September weather in Dinan day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate or heavy rain shower | 21° /14° | 6.2 mm | 4 | |
| 2 Sept. | Moderate or heavy rain shower | 23° /13° | 7.9 mm | 4 | |
| 3 Sept. |  Patchy rain possible | 22° /15° | 1.1 mm | 4 | |
| 4 Sept. | Patchy rain possible | 21° /14° | 0.9 mm | 4 | |
| 5 Sept. | Patchy rain possible | 20° /13° | 0.5 mm | 4 | |
| 6 Sept. | Patchy rain possible | 25° /13° | 0.4 mm | 5 | |
| 7 Sept. | Moderate or heavy rain shower | 21° /14° | 5.5 mm | 3 | |
| 8 Sept. |  Light rain | 18° /12° | 4.8 mm | 3 | |
| 9 Sept. | Light rain | 19° /12° | 2.6 mm | 4 | |
| 10 Sept. | Patchy rain possible | 20° /11° | 2 mm | 3 | |
| 11 Sept. | Patchy rain possible | 19° /12° | 1.7 mm | 4 | |
| 12 Sept. | Patchy rain possible | 19° /11° | 1.1 mm | 4 | |
| 13 Sept. | Patchy rain possible | 20° /12° | 1.4 mm | 4 | |
| 14 Sept. |  Sunny | 21° /12° | 0.3 mm | 5 | |
| 15 Sept. | Patchy rain possible | 19° /11° | 0.1 mm | 4 | |
| 16 Sept. | Patchy rain possible | 19° /12° | 1.1 mm | 3 | |
| 17 Sept. | Patchy rain possible | 20° /12° | 1 mm | 4 | |
| 18 Sept. | Patchy rain possible | 22° /13° | 0.1 mm | 4 | |
| 19 Sept. |  Partly cloudy | 25° /13° | 0 mm | 4.8 | |
| 20 Sept. |  Cloudy | 22° /12° | 0.1 mm | 4 | |
| 21 Sept. | Light rain | 20° /12° | 4.2 mm | 4 | |
| 22 Sept. | Moderate or heavy rain shower | 20° /12° | 6.3 mm | 4 | |
| 23 Sept. | Light rain | 18° /11° | 2.8 mm | 3 | |
| 24 Sept. | Patchy rain possible | 20° /12° | 2.2 mm | 3 | |
| 25 Sept. | Light rain | 18° /12° | 2.5 mm | 4 | |
| 26 Sept. | Patchy rain possible | 17° /12° | 1.3 mm | 3 | |
| 27 Sept. | Patchy rain possible | 18° /11° | 1.7 mm | 3 | |
| 28 Sept. | Light rain | 16° /12° | 6 mm | 3 | |
| 29 Sept. |  Overcast | 20° /12° | 0.6 mm | 3 | |
| 30 Sept. | Patchy rain possible | 19° /13° | 0.3 mm | 3 | |
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Dinan weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 24°/15° | 20°/12° | 17°/10° |
| Rainfall | 54 mm | 67 mm | 67 mm |
| Wind | 22.4 km/h | 23.6 km/h | 24.2 km/h |
| Humidity | 70% | 75% | 77% |
| Rainy days | 7 days | 13 days | 12 days |
| Dry days | 24 days | 17 days | 19 days |
Planning a trip to Dinan? Discover the best time to visit
Dinan in September - FAQ
What are the expected maximum and minimum temperatures in Dinan during September?
How much rainfall should be expected in Dinan during September?
What are the typical wind conditions in Dinan during September?
September rainfall patterns in Dinan
UV exposure in Dinan during September
What to pack to Dinan in September?
Mild & changeable · highs around 20 °C, frequent showers
As you prepare for your trip to Dinan 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 Dinan, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Dinan?Get accurate weather forecasts for Dinan, located at latitude 48.456 and longitude -2.05. Stay updated with localized weather information tailored for Dinan.