Weather in Trier for September 2027
In general, the average temperature in Trier at the beginning of September is 22.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °C by the end of September.
The climate of Trier in September is notably wet, with an average of 15 rainy days, and a total of 92.6 mm of precipitation.
Is September a good time to visit Trier? check out the best time to travel to Trier page.
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Trier Weather September
Temperatures trend during September in Trier
September weather in Trier day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 23° /12° | 4.5 mm | 5 | |
| 2 Sept. |  Light rain shower | 22° /13° | 1.6 mm | 4 | |
| 3 Sept. | Patchy rain possible | 23° /14° | 2.1 mm | 4 | |
| 4 Sept. |  Moderate rain | 21° /14° | 5.5 mm | 4 | |
| 5 Sept. | Light rain | 21° /12° | 3.2 mm | 5 | |
| 6 Sept. | Light rain | 21° /11° | 2.9 mm | 4 | |
| 7 Sept. |  Mist | 27° /13° | 0.2 mm | 5 | |
| 8 Sept. | Patchy rain possible | 23° /14° | 2.3 mm | 4 | |
| 9 Sept. | Light rain | 17° /12° | 5.4 mm | 4 | |
| 10 Sept. | Fog | 18° /9° | 0.9 mm | 4 | |
| 11 Sept. | Light rain | 17° /10° | 3.5 mm | 3 | |
| 12 Sept. | Patchy rain possible | 17° /8° | 1.4 mm | 3 | |
| 13 Sept. | Light rain | 16° /9° | 5.9 mm | 3 | |
| 14 Sept. | Patchy rain possible | 18° /9° | 1.2 mm | 3 | |
| 15 Sept. |  Sunny | 21° /11° | 0.7 mm | 4 | |
| 16 Sept. | Light rain | 16° /10° | 2.6 mm | 3 | |
| 17 Sept. | Patchy rain possible | 18° /9° | 0 mm | 3 | |
| 18 Sept. |  Partly cloudy | 21° /10° | 0.9 mm | 4.6 | |
| 19 Sept. |  Thundery outbreaks possible | 23° /10° | 0.4 mm | 4 | |
| 20 Sept. | Sunny | 21° /10° | 0.8 mm | 4.4 | |
| 21 Sept. | Moderate rain | 19° /9° | 13.6 mm | 4 | |
| 22 Sept. | Light rain | 18° /9° | 2.6 mm | 4 | |
| 23 Sept. | Light rain shower | 17° /8° | 1.1 mm | 4 | |
| 24 Sept. | Light rain | 14° /10° | 8.8 mm | 2 | |
| 25 Sept. | Light rain | 15° /8° | 5.6 mm | 3 | |
| 26 Sept. | Moderate rain | 18° /10° | 11.5 mm | 3 | |
| 27 Sept. | Patchy light drizzle | 17° /9° | 1 mm | 2 | |
| 28 Sept. | Light rain shower | 19° /9° | 1 mm | 3 | |
| 29 Sept. | Mist | 18° /9° | 0 mm | 2 | |
| 30 Sept. | Light drizzle | 19° /10° | 1.4 mm | 3 | |
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Trier weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 25°/13° | 19°/10° | 14°/7° |
| Rainfall | 57 mm | 93 mm | 104 mm |
| Wind | 14.8 km/h | 16.4 km/h | 15.7 km/h |
| Humidity | 65% | 75% | 84% |
| Rainy days | 11 days | 15 days | 14 days |
| Dry days | 20 days | 15 days | 17 days |
Planning a trip to Trier? Discover the best time to visit
Trier in September - FAQ
What are the expected maximum and minimum temperatures in Trier during September?
How much rainfall should be expected in Trier during September?
What are the typical wind conditions in Trier during September?
September rainfall patterns in Trier
UV exposure in Trier during September
What to pack to Trier in September?
Mild & changeable · highs around 19 °C, frequent showers
As you prepare for your trip to Trier 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 Trier, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Where is Trier?Get accurate weather forecasts for Trier, located at latitude 49.756 and longitude 6.639. Stay updated with localized weather information tailored for Trier.