Villach weather in September

In September, Villach sees average daytime highs of 17°C and overnight lows near 8°C, with 158 mm of precipitation across 13.2 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 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 27% 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 Villach's 5th-clearest and 7th-windiest month. For the whole year in context, see Villach's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Precipitation
158 mm
13.2 wet days
Daylight
12 h 18 min
5:49 AM – 6:09 PM
Cloud cover
62%
5th clearest
Wind
5 km/h
7th windiest
Solar energy
3.52 kWh/m²
Travel score
4.9
out of 10

Villach is settlement and capital of Villach Munipality in Austria.

Air quality
Good
PM10 16.9 µg/m³ · 2019

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 19°C in the first days to 15°C by the end.

A typical September day in Villach reaches about 17°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11910
21910
31910
41810
51810
61810
7189
8189
9189
10189
11179
12179
13179
14179
15178
16178
17178
18168
19168
20168
21168
22168
23168
24167
25157
26157
27157
28157
29157
30157

How September really feels in Villach

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.

Villach 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 / -6°647.67.28.80.0
Feb / -5°7387.9100.0
Mar / -2°9610.56.811.60.7
Apr11° / 12515.13.813.32.4
May16° / 152180.714.84.1
Jun20° / 11°17017.9015.65.1
Jul22° / 12°16317.4015.35.6
Aug21° / 12°17616.80145.6
Sep17° / 15813.20.212.44.9
Oct12° / 15611.21.710.62.9
Nov / 15111.44.89.20.5
Dec / -5°998.77.78.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34654
44654
54753
64753
74753
84555
94555
104555
114555
124555
134555
144555
154555
164357
174357
184456
194357
204258
214258
224258
234159
244159
254060
263961
273862
283763
293763
303664

Chance of precipitation in September

Any precipitation

Villach gets around 158 mm of rain and snow over 13.2 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 45% and peaks near 52% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
152
251
350
450
549
648
748
847
947
1046
1146
1245
1344
1444
1544
1643
1743
1843
1943
2043
2142
2242
2342
2442
2541
2641
2742
2842
2942
3042

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167303
270282
371272
473252
575241
677221
778211
879201
980191
1081181
1183170
1284160
1385150
1486140
1587130
1688120
1789110
1890100
199190
209280
219370
229460
239460
249550
259640
269730
279730
289730
299820
309820

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 5:29 AM to 6:08 AM, and sunset from 6:39 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:296:39
213.15:316:37
313.15:326:35
413.05:336:33
512.95:356:31
612.95:366:29
712.85:376:27
812.85:386:25
912.75:406:23
1012.75:416:21
1112.65:426:19
1212.65:446:17
1312.55:456:15
1412.45:466:13
1512.45:486:11
1612.35:496:09
1712.35:506:07
1812.25:526:05
1912.25:536:02
2012.15:546:00
2112.05:565:58
2212.05:575:56
2311.95:585:54
2411.96:005:52
2511.86:015:50
2611.86:035:48
2711.76:045:46
2811.66:055:44
2911.66:075:42
3011.56:085:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.52 kWh/m².

For context, solar energy here swings from a low near 1.19 kWh/m² to a high of 5.66 kWh/m² in June across the year — September's 3.52 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.1Bright
34.1Bright
44.0Bright
54.0Moderate
64.0Moderate
73.9Moderate
83.9Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Villach?

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

4.9
Sightseeing
4th-best month of the year
1.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Villach for sightseeing.

What to pack for Villach in September

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

In September, Villach sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 13 days see rain.

a warm layerrain gear

UV index in Villach in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Villach 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
Feb2Moderate
Mar5High
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Villach in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Villach is worst in January — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2117 µg/m³Sep 2111 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar17Moderate
Apr16Moderate
May13Moderate
Jun15Moderate
Jul14Moderate
Aug12Good
Sep11Good
Oct11Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Villach?

Villach sits at 46.6°N, 13.9°E, 494 m above sea level, in Austria. The nearest listed city is Sankt Martin, 33 km away.

Sankt MartinBledKlagenfurtSankt PeterBohinjKranj

Topography around Villach

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

Within 3 km, the terrain around Villach has only modest variations in elevation — a maximum elevation change of 226 m around an average of 521 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,705 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,270 m.

The land around Villach is covered by trees (37%) and artificial surfaces (34%) within 3 km, trees (73%) within 16 km, and trees (69%) and grassland (21%) within 80 km.

3 km
226 m
16 km
1,705 m
80 km
3,270 m
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
September weather nearby: Sankt Martin 33 km · Bled 33 km · Klagenfurt 34 km · Sankt Peter 37 km · Bohinj 38 km · Kranj 56 km · Nova Gorica 74 km · Gorizia 77 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 Villach (46.6103°, 13.8558°, elevation 494 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).