Wiener Neustadt weather in September

In September, Wiener Neustadt sees average daytime highs of 19°C and overnight lows near 11°C, with 89 mm of rain across 10.6 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 30% 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 Wiener Neustadt's 3rd-clearest and 8th-windiest month. For the whole year in context, see Wiener Neustadt's year-round climate.

Daytime high
19°
4th warmest
Overnight low
11°
9th coldest
Rainfall
89 mm
10.6 wet days
Daylight
12 h 18 min
5:39 AM – 6:00 PM
Cloud cover
59%
3rd clearest
Wind
10 km/h
8th windiest
Solar energy
3.48 kWh/m²
Travel score
5.9
out of 10

Wiener Neustadt is city in Lower Austria, Austria.

Air quality
Good
PM10 20 µg/m³ · 2019
Density
735/km²
people per km²
Founded
1194

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 21°C in the first days to 17°C by the end.

A typical September day in Wiener Neustadt reaches about 19°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 24°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12113
22112
32112
42112
52112
62012
72012
82012
92011
102011
112011
121911
131911
141911
151911
161911
171910
181810
191810
201810
211810
221810
231810
24189
25179
26179
27179
28179
29179
30179

How September really feels in Wiener Neustadt

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.

Wiener Neustadt weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°378.65.88.60.0
Feb / -2°378.55.19.90.1
Mar / 5611.34.111.61.7
Apr14° / 5811.11.313.44.0
May19° / 10°9514.7014.95.3
Jun22° / 13°10014015.76.0
Jul24° / 15°10814.6015.46.3
Aug24° / 14°10112.4014.16.6
Sep19° / 11°8910.6012.45.9
Oct13° / 63100.510.63.8
Nov / 549.62.89.11.1
Dec / -2°449.24.98.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45050
55050
64951
74852
84951
94852
104753
114753
124654
134753
144753
154654
164654
174753
184753
194753
204753
214753
224753
234753
244753
254852
264753
274753
284654
294555
304654

Chance of precipitation in September

Any precipitation

Wiener Neustadt gets around 89 mm of rain over 10.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1137
1237
1337
1436
1536
1636
1735
1835
1935
2034
2134
2234
2333
2433
2533
2633
2733
2833
2934
3034

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1583210
260319
361318
463307
564306
664306
765305
866304
966304
1068293
1168293
1269283
1371272
1472262
1573252
1674242
1776231
1878211
1979201
2081181
2183161
2284151
2386131
2487121
2588111
2689101
279190
289280
299280
309280

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:18 AM to 5:59 AM, and sunset from 6:31 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:186:31
213.25:206:29
313.15:216:27
413.05:226:25
513.05:246:23
612.95:256:21
712.95:276:19
812.85:286:17
912.85:296:15
1012.75:316:12
1112.65:326:10
1212.65:346:08
1312.55:356:06
1412.55:366:04
1512.45:386:02
1612.35:396:00
1712.35:415:57
1812.25:425:55
1912.25:435:53
2012.15:455:51
2112.05:465:49
2212.05:485:47
2311.95:495:45
2411.95:505:42
2511.85:525:40
2611.75:535:38
2711.75:555:36
2811.65:565:34
2911.65:585:32
3011.55:595:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.48 kWh/m².

For context, solar energy here swings from a low near 0.97 kWh/m² to a high of 5.65 kWh/m² in June across the year — September's 3.48 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.0Bright
34.0Bright
44.0Moderate
53.9Moderate
63.9Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Wiener Neustadt?

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

5.9
Sightseeing
4th-best month of the year
2.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Wiener Neustadt for sightseeing.

What to pack for Wiener Neustadt in September

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

In September, Wiener Neustadt sees daytime highs around 19°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Wiener Neustadt 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 Wiener Neustadt peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Wiener Neustadt 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 Wiener Neustadt is worst in June — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateJun 1316 µg/m³Nov 1012 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul14Moderate
Aug15Moderate
Sep12Moderate
Oct12Good
Nov12Good
Dec15Moderate
Location & terrain

Where is Wiener Neustadt?

Wiener Neustadt sits at 47.8°N, 16.2°E, 270 m above sea level, in Austria. The nearest listed city is Eisenstadt, 22 km away.

PerchtoldsdorfSemmeringMeidlingFavoriten

Topography around Wiener Neustadt

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

Within 3 km, the terrain around Wiener Neustadt has only modest variations in elevation — a maximum elevation change of 41 m around an average of 275 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 903 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,959 m.

The land around Wiener Neustadt is covered by artificial surfaces (33%) and cropland (31%) within 3 km, trees (44%) and cropland (31%) within 16 km, and trees (48%) and cropland (33%) within 80 km.

3 km
41 m
16 km
903 m
80 km
1,959 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Eisenstadt 22 km · Baden 22 km · Sopron 30 km · Mödling 32 km · Perchtoldsdorf 35 km · Semmering 36 km · Meidling 41 km · Favoriten 41 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 Wiener Neustadt (47.8049°, 16.232°, elevation 270 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).