Alsace · September
Low seasonFrance · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 6° (43°)-3– (27–)14 (57) | 8° (46°)0– (32–)15 (59) | 12° (54°)5– (41–)21 (70) | 17° (63°)7– (45–)26 (79) | 21° (70°)11– (52–)28 (82) | 25° (77°)16– (61–)33 (91) | 27° (81°)18– (64–)35 (95) | 26° (79°)16– (61–)34 (93) | 22° (72°)14– (57–)29 (84) | 17° (63°)8– (46–)24 (75) | 10° (50°)1– (34–)18 (64) | 7° (45°)-1– (30–)14 (57) |
Ø night, range from coldest to warmest nightØ nightrange | 0° (32°)-8– (18–)8 (46) | 1° (34°)-7– (19–)7 (45) | 3° (37°)-4– (25–)9 (48) | 6° (43°)-2– (28–)12 (54) | 10° (50°)3– (37–)15 (59) | 14° (57°)7– (45–)19 (66) | 15° (59°)9– (48–)20 (68) | 15° (59°)8– (46–)20 (68) | 11° (52°)3– (37–)17 (63) | 8° (46°)0– (32–)13 (55) | 4° (39°)-5– (23–)10 (50) | 1° (34°)-6– (21–)8 (46) |
☀️Sunshine | 2h UV 2 | 4h UV 4 | 6h UV 5 | 7h UV 7 | 7h UV 7 | 8h UV 8 | 8h UV 8 | 8h UV 7 | 7h UV 6 | 5h UV 4 | 3h UV 3 | 2h UV 2 |
🌧Rain Days | 6d40mm (1.6") | 5d34mm (1.3") | 6d35mm (1.4") | 6d46mm (1.8") | 9d72mm (2.8") | 8d74mm (2.9") | 8d67mm (2.6") | 8d73mm (2.9") | 6d49mm (1.9") | 7d53mm (2.1") | 6d48mm (1.9") | 8d48mm (1.9") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Post-season — prices falling after the travel period, beaches and attractions quieter.
September in Alsace at 22°C (72°F) is too cool for a beach holiday, but suitable for sightseeing and hiking. The best travel months are June, July, and August.
Daytime highs average 22°C (72°F), cooling to 11°C (52°F) at night (daily average: 16°C (61°F)). Peaks reach around 29°C (84°F), the coldest nights around 3°C (37°F). The sun shines an average of 7 hours per day; there are 6 rain days with 49 mm (1.9 in) total.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
The grape harvest begins, the vines turn yellow and red and the light softens. In September the daytime high is 22°C (72°F) and the roads along the Wine Route are pleasantly empty. New wine and tarte flambée are everywhere; November turns foggy and grey.
Events & Festivals
- Pfifferdaj (Minstrels' Festival)first weekend of September
Alsace's oldest festival, in Ribeauvillé, honouring the medieval minstrels: a medieval market, music on the Grand'Rue and a historic procession on Sunday afternoon.
Packing list for Alsace in September
- Long-sleeved shirts and light trousers
- Light jacket
- Sunscreen
- Sunglasses
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Alsace?
- September is not an optimal month for Alsace (Score: 63/100), but it is manageable. For better conditions, consider June, July, and August.
- How warm is it in Alsace in September?
- In September, Alsace sees daily highs of 22°C (72°F). Nights cool to 11°C (52°F), with a daily average of 16°C (61°F). Peaks reach around 29°C (84°F), the coldest nights around 3°C (37°F).
- How much rain falls in Alsace in September?
- In September, Alsace receives an average of 49 mm (1.9 in) of rain over 6 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Alsace get in September?
- Alsace averages 7 sunshine hours per day in September — above the annual average.
