Hallstatt weather in September
September in Hallstatt: nice, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Hallstatt · #413 of 897 destinations to visit in September · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Hallstatt in September
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Hallstatt climate normals — September
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Rainfall | 141 mm / 5.5 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 12.6 h | |
| Wind | 7 km/h / 5 mph | |
| Snowfall | 8.4 cm / 3.3 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hallstatt in September — FAQ
- Is September a good time to visit Hallstatt?
- September in Hallstatt: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Hallstatt on SeasonMap's comfort score (84/100).
- What is the weather like in Hallstatt in September?
- In September, Hallstatt averages a daily high of 20.5°C and a low of 10.8°C, with about 140.9 mm of rain over roughly 15.4 rainy days.
- What is the air quality in Hallstatt in September?
- Hallstatt has a mean US Air Quality Index of about 34 in September.
- Does it snow in Hallstatt in September?
- Hallstatt sees roughly 8.4 cm of snowfall in September.