Switzerland (Zermatt) · September
Best travel monthTravel seasonSwitzerland · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 1° (34°)-6– (21–)8 (46) | 2° (36°)-4– (25–)11 (52) | 6° (43°)-2– (28–)13 (55) | 11° (52°)1– (34–)18 (64) | 14° (57°)4– (39–)21 (70) | 19° (66°)9– (48–)26 (79) | 21° (70°)13– (55–)27 (81) | 20° (68°)10– (50–)27 (81) | 16° (61°)7– (45–)23 (73) | 12° (54°)3– (37–)19 (66) | 6° (43°)-5– (23–)13 (55) | 2° (36°)-6– (21–)8 (46) |
Ø night, range from coldest to warmest nightØ nightrange | -7° (19°)-15– (5–)-1 (30) | -6° (21°)-13– (9–)0 (32) | -4° (25°)-12– (10–)1 (34) | 0° (32°)-8– (18–)6 (43) | 4° (39°)-3– (27–)9 (48) | 8° (46°)2– (36–)12 (54) | 9° (48°)3– (37–)13 (55) | 9° (48°)3– (37–)13 (55) | 6° (43°)0– (32–)11 (52) | 3° (37°)-4– (25–)8 (46) | -2° (28°)-11– (12–)4 (39) | -5° (23°)-14– (7–)1 (34) |
☀️Sunshine | 5h UV 3 | 6h UV 5 | 8h UV 6 | 10h UV 8 | 10h UV 8 | 10h UV 8 | 10h UV 8 | 9h UV 8 | 8h UV 6 | 6h UV 5 | 5h UV 4 | 4h UV 3 |
🌧Rain Days | 5d49mm (1.9") | 4d25mm (1.0") | 5d45mm (1.8") | 5d40mm (1.6") | 8d87mm (3.4") | 8d65mm (2.6") | 7d62mm (2.4") | 8d72mm (2.8") | 5d37mm (1.5") | 5d51mm (2.0") | 5d59mm (2.3") | 6d57mm (2.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Travel season — mid-range prices, good availability.
September is among the best months in Switzerland (Zermatt): only 5 rain days, 16°C (61°F) highs, and good sunshine make for ideal holiday conditions.
Daytime highs average 16°C (61°F), cooling to 6°C (43°F) at night (daily average: 11°C (52°F)). Peaks reach around 23°C (73°F), the coldest nights around 0°C (32°F). The sun shines an average of 8 hours per day; there are 5 rain days with 37 mm (1.5 in) total.
Layer up — warm days and cool evenings alternate. Perfect timing for hikes and sightseeing.
September brings calm, clear days and the best long-distance views of the year. In October the larches turn gold, then the first lifts and hotels close. By November Zermatt is waiting for the first big snowfall.
Packing list for Switzerland (Zermatt) in September
- Long-sleeved shirts and light trousers
- Light jacket
- Jumper or fleece
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Small umbrella (occasional showers possible)
- Travel first-aid kit
Frequently Asked Questions
- Is September a good time to visit Switzerland (Zermatt)?
- Yes — September is one of the best months to visit Switzerland (Zermatt) (Climate Score: 59/100). Pleasant temperatures (16°C (61°F)), good sunshine (8 h/day), and few rain days (5) make it one of the most recommended months.
- How warm is it in Switzerland (Zermatt) in September?
- In September, Switzerland (Zermatt) sees daily highs of 16°C (61°F). Nights cool to 6°C (43°F), with a daily average of 11°C (52°F). Peaks reach around 23°C (73°F), the coldest nights around 0°C (32°F).
- How much rain falls in Switzerland (Zermatt) in September?
- In September, Switzerland (Zermatt) receives an average of 37 mm (1.5 in) of rain over 5 rain days. That is comparatively dry.
- How many sunshine hours does Switzerland (Zermatt) get in September?
- Switzerland (Zermatt) averages 8 sunshine hours per day in September — close to the annual average.
