Bad Gastein weather in September

In September, Bad Gastein sees average daytime highs of 13°C and overnight lows near 4°C, with 125 mm of precipitation across 13.6 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 20% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Bad Gastein's 6th-clearest and 10th-windiest month. For the whole year in context, see Bad Gastein's year-round climate.

Daytime high
13°
4th warmest
Overnight low
9th coldest
Precipitation
125 mm
13.6 wet days
Daylight
12 h 18 min
5:52 AM – 6:12 PM
Cloud cover
66%
6th clearest
Wind
5 km/h
10th windiest
Solar energy
3.56 kWh/m²
Travel score
3.0
out of 10

Bad Gastein is human settlement in St. Johann im Pongau District.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 11°C by the end.

A typical September day in Bad Gastein reaches about 13°C in the afternoon and slips back to 4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 18°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°151015202530
Avg high (°C)Avg low (°C)
1156
2156
3146
4145
5145
6145
7145
8145
9135
10135
11134
12134
13134
14134
15134
16124
17124
18124
19123
20123
21123
22123
23113
24113
25113
26113
27113
28113
29112
30112

How September really feels in Bad Gastein

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bad Gastein weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -10°6711.412.68.70.0
Feb-2° / -9°641112.7100.0
Mar / -5°8913.714.611.60.0
Apr / -2°9414.912.313.30.4
May11° / 12318.76.414.82.0
Jun15° / 15720.82.315.63.5
Jul17° / 16320.10.715.34.3
Aug17° / 16519.10.6144.3
Sep13° / 12513.63.412.43.0
Oct / 11211.86.510.61.2
Nov / -5°10812.111.39.10.0
Dec-3° / -9°781213.68.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23565
33565
43664
53664
63664
73664
83664
93664
103664
113763
123763
133763
143664
153763
163763
173664
183664
193565
203565
213466
223466
233466
243466
253466
263466
273466
283466
293466
303466

Chance of precipitation in September

Any precipitationSnow

Bad Gastein gets around 125 mm of rain and snow over 13.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 47% and peaks near 58% on the wettest days, and about 3 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1587
2578
3568
4559
5559
6549
75310
85210
95211
105111
115012
124912
134812
144713
154613
164513
174513
184414
194314
204214
214114
224013
234013
243913
253913
263913
273914
284014
294015
304115

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:31 AM to 6:11 AM, and sunset from 6:43 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:316:43
213.15:336:41
313.15:346:39
413.05:366:37
513.05:376:35
612.95:386:33
712.95:406:31
812.85:416:29
912.75:426:26
1012.75:446:24
1112.65:456:22
1212.65:466:20
1312.55:486:18
1412.45:496:16
1512.45:506:14
1612.35:526:12
1712.35:536:10
1812.25:556:08
1912.25:566:05
2012.15:576:03
2112.05:596:01
2212.06:005:59
2311.96:015:57
2411.96:035:55
2511.86:045:53
2611.86:065:51
2711.76:075:49
2811.66:085:47
2911.66:105:45
3011.56:115:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.56 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 5.45 kWh/m² in June across the year — September's 3.56 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.1Moderate
283.1Moderate
293.0Moderate
303.0Moderate
Planning a trip in September

Is September a good time to visit Bad Gastein?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

September is a weaker month for outdoor sightseeing in Bad Gastein.

What to pack for Bad Gastein in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Bad Gastein sees daytime highs around 13°C and nights near 4°C. Pack rain gear. Worth having: a warm layer. About 14 days see rain.

rain geara warm layer

UV index in Bad Gastein in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bad Gastein peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5High
Apr7High
May7Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bad Gastein?

Bad Gastein sits at 47.1°N, 13.1°E, 0 m above sea level, in Austria. The nearest listed city is Kaprun, 33 km away.

KaprunZell am SeeSaalfelden am Steinernen MeerHallstattKitzbuhelBad ReichenhallSalzburgVillach

Topography around Bad Gastein

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bad Gastein.

Within 3 km, the terrain around Bad Gastein has very significant variations in elevation — a maximum elevation change of 1,534 m around an average of 1,458 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,409 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,372 m.

The land around Bad Gastein is covered by trees (63%) and grassland (32%) within 3 km, grassland (43%) and trees (36%) within 16 km, and trees (59%) and grassland (31%) within 80 km.

3 km
1,534 m
16 km
2,409 m
80 km
3,372 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
September weather nearby: Kaprun 33 km · Zell am See 34 km · Saalfelden am Steinernen Meer 41 km · Hallstatt 63 km · Kitzbuhel 67 km · Bad Reichenhall 71 km · Salzburg 76 km · Villach 78 km

Austria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 82% of US
price level, 2025
GDP per capita
$62,930
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
4.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 616
Religion
Roman Catholic 55%none 22%Muslim 8%other 5%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bad Gastein (47.1155°, 13.1347°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).