Verdict: Good month
Hallstatt Weather in September
September hits the sweet spot in Hallstatt — highs around 21°C (70°F), ideal for a full day on foot. It's also the wet side of the calendar: rain falls on about 15 days, so build flexibility into plans. Overall, September is a solid month to visit Hallstatt.
Average high
21°C / 70°F
Average low
11°C / 52°F
Rain days
~15
Precipitation
180 mm
What to pack for Hallstatt in September
- Layers — t-shirts under a light jacket or sweater
- Rain gear is non-negotiable — expect rain on roughly 15 days
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Hallstatt: Jul (24°C / 75°F) · Coolest: Jan (6°C / 43°F) · Wettest: May (~20 rain days)
6°
-2°
Jan
8°
-1°
Feb
11°
1°
Mar
13°
3°
Apr
18°
9°
May
23°
13°
Jun
24°
15°
Jul
24°
15°
Aug
21°
11°
Sep
18°
8°
Oct
11°
3°
Nov
7°
0°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)