Landstraße weather in September

In September, Landstraße sees average daytime highs of 21°C and overnight lows near 12°C, with 69 mm of rain across 9.3 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 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 31% 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 Landstraße's 3rd-clearest and 9th-windiest month. For the whole year in context, see Landstraße's year-round climate.

Daytime high
21°
4th warmest
Overnight low
12°
9th coldest
Rainfall
69 mm
9.3 wet days
Daylight
12 h 18 min
5:38 AM – 5:59 PM
Cloud cover
58%
3rd clearest
Wind
12 km/h
9th windiest
Solar energy
3.48 kWh/m²
Travel score
6.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 18°C by the end.

A typical September day in Landstraße reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12314
22314
32314
42313
52213
62213
72213
82213
92213
102213
112112
122112
132112
142112
152112
162012
172012
182011
192011
202011
212011
221911
231911
241911
251910
261910
271910
281810
291810
301810

How September really feels in Landstraße

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.

Landstraße 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 / -2°348.24.28.60.0
Feb / -1°317.72.89.90.3
Mar10° / 459.5211.62.3
Apr16° / 438.40.513.45.0
May20° / 11°6912014.96.1
Jun24° / 14°7311.5015.86.6
Jul26° / 16°7812.1015.56.5
Aug26° / 16°689.8014.16.8
Sep21° / 12°699.3012.46.5
Oct14° / 478.60.210.64.4
Nov / 448.91.691.4
Dec / -1°398.53.18.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35446
45446
55347
65347
75248
85149
95050
105050
114951
124951
134753
144852
154753
164753
174753
184753
194753
204654
214654
224654
234753
244753
254753
264753
274753
284753
294555
304456

Chance of precipitation in September

Any precipitation

Landstraße gets around 69 mm of rain over 9.3 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 31% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
434
534
634
734
834
934
1033
1133
1232
1332
1431
1531
1630
1730
1830
1929
2029
2128
2228
2328
2427
2527
2627
2727
2828
2928
3028

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 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1563113
2593011
3593011
4612910
562299
663298
764297
864297
965296
1065296
1167285
1268284
1369274
1470264
1572253
1673243
1774233
1876222
1977212
2079192
2181181
2283161
2384151
2485141
2586131
2686131
2787121
2887121
2988120
3088120

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 5:17 AM to 5:59 AM, and sunset from 6:31 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:176:31
213.25:186:29
313.15:206:27
413.15:216:25
513.05:236:23
612.95:246:21
712.95:266:19
812.85:276:16
912.85:286:14
1012.75:306:12
1112.65:316:10
1212.65:336:08
1312.55:346:06
1412.55:366:03
1512.45:376:01
1612.35:385:59
1712.35:405:57
1812.25:415:55
1912.25:435:53
2012.15:445:50
2112.05:465:48
2212.05:475:46
2311.95:485:44
2411.95:505:42
2511.85:515:40
2611.75:535:37
2711.75:545:35
2811.65:565:33
2911.65:575:31
3011.55:595:29

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 0.9 kWh/m² to a high of 5.73 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
24.1Bright
34.0Bright
44.0Moderate
54.0Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.7Moderate
113.7Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Landstraße?

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

6.5
Sightseeing
3rd-best month of the year
3.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Landstraße for sightseeing.

What to pack for Landstraße in September

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

In September, Landstraße sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Landstraße in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Landstraße peaks around July 11 at about 7 (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 11UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr6High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Landstraße 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 Landstraße 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 Landstraße?

Landstraße sits at 48.2°N, 16.4°E, 178 m above sea level, in Austria. The nearest listed city is Vienna, 1.0 km away.

Topography around Landstraße

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

Within 3 km, the terrain around Landstraße has only modest variations in elevation — a maximum elevation change of 73 m around an average of 181 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 434 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,959 m.

The land around Landstraße is covered by artificial surfaces (76%) within 3 km, trees (37%), artificial surfaces (27%) and cropland (25%) within 16 km, and cropland (42%) and trees (39%) within 80 km.

3 km
73 m
16 km
434 m
80 km
1,959 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Vienna 1.0 km · Innere Stadt 1.0 km · Mariahilf 3.0 km · Neubau 3.0 km · Margareten 3.0 km · Josefstadt 3.0 km · Alsergrund 3.0 km · Simmering 4.0 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 Landstraße (48.2019°, 16.3879°, elevation 178 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).