Achern in September
7.5out of 10
Yes, a good time to go
Mild: highs around 21°C. Frequent rain: about 10 rainy days.
21°CAvg high
11°CAvg low
10Rainy days (66 mm)
12:20 hDaylight
07:12Sunrise · 19:32 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 10 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.8 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 5°C | 0°C | 83 mm | 14 | – | – | 4.3 |
| February | 7°C | 0°C | 70 mm | 12 | – | – | 4.9 |
| March | 11°C | 3°C | 76 mm | 13 | – | – | 5.6 |
| April | 16°C | 6°C | 54 mm | 11 | – | – | 6.7 |
| May | 20°C | 10°C | 77 mm | 12 | – | – | 7.1 |
| June | 23°C | 13°C | 67 mm | 11 | – | – | 7.6 |
| July | 25°C | 15°C | 66 mm | 11 | – | – | 7.7 |
| August | 25°C | 15°C | 61 mm | 10 | – | – | 7.7 |
| September | 21°C | 11°C | 66 mm | 10 | – | – | 7.5 |
| October | 15°C | 8°C | 75 mm | 12 | – | – | 6.3 |
| November | 9°C | 4°C | 82 mm | 13 | – | – | 5.3 |
| December | 6°C | 1°C | 100 mm | 15 | – | – | 4.2 |
Frequently asked questions
How hot is Achern in September?
Daytime highs average 21°C and nights about 11°C.
When is the best time to visit Achern?
The best months are July, August, June, September.