Steyr weather in September

In September, Steyr sees average daytime highs of 19°C and overnight lows near 10°C, with 113 mm of rain across 13.1 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 20°C in the first days to 17°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 Steyr's 3rd-clearest and 9th-windiest month. For the whole year in context, see Steyr's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
113 mm
13.1 wet days
Daylight
12 h 18 min
5:46 AM – 6:07 PM
Cloud cover
59%
3rd clearest
Wind
7 km/h
9th windiest
Solar energy
3.37 kWh/m²
Travel score
5.5
out of 10
Air quality
Moderate
PM2.5 10.9 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 20°C in the first days to 17°C by the end.

A typical September day in Steyr reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°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)
12112
22112
32012
42011
52011
62011
72011
82011
92011
101911
111911
121910
131910
141910
151910
161910
171810
181810
191810
20189
21189
22189
23189
24179
25179
26179
27179
28178
29178
30178

How September really feels in Steyr

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.

Steyr 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 / -4°7512.38.88.60.0
Feb / -3°6511.87.99.90.1
Mar / 8814.55.911.61.6
Apr14° / 8013.1213.43.8
May18° / 13216.70.114.95.1
Jun22° / 12°13616.3015.85.6
Jul24° / 14°13315.8015.46.1
Aug23° / 14°13314.3014.16.3
Sep19° / 10°11313.1012.45.5
Oct13° / 82120.710.63.7
Nov / 7212.24.391.0
Dec / -2°7513.48.48.20.0

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 15% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24951
34852
44852
54852
64951
74951
84852
94852
104852
114753
124753
134753
144654
154654
164654
174555
184555
194456
204456
214456
224456
234456
244456
254357
264357
274456
284357
294357
304258

Chance of precipitation in September

Any precipitation

Steyr gets around 113 mm of rain over 13.1 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 44% and peaks near 50% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
250
350
450
550
650
749
848
948
1047
1146
1245
1344
1443
1543
1642
1741
1841
1941
2040
2140
2239
2339
2439
2539
2639
2739
2840
2940
3041

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1553510
257349
358348
460337
562326
664315
766304
867294
969283
1071272
1172262
1273252
1375241
1476231
1577221
1679210
1780200
1882180
1983170
2084160
2186140
2287130
2388120
2489110
2590100
269190
279280
289370
299370
309460

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:25 AM to 6:06 AM, and sunset from 6:39 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:256:39
213.25:276:37
313.15:286:35
413.15:296:33
513.05:316:31
612.95:326:28
712.95:346:26
812.85:356:24
912.85:366:22
1012.75:386:20
1112.65:396:18
1212.65:416:16
1312.55:426:13
1412.55:436:11
1512.45:456:09
1612.35:466:07
1712.35:486:05
1812.25:496:03
1912.25:516:00
2012.15:525:58
2112.05:535:56
2212.05:555:54
2311.95:565:52
2411.95:585:50
2511.85:595:48
2611.76:015:45
2711.76:025:43
2811.66:045:41
2911.66:055:39
3011.56:065:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.37 kWh/m².

For context, solar energy here swings from a low near 0.96 kWh/m² to a high of 5.47 kWh/m² in June across the year — September's 3.37 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.4Moderate
163.4Moderate
173.3Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.1Moderate
253.0Moderate
263.0Moderate
272.9Moderate
282.9Moderate
292.9Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Steyr?

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

5.5
Sightseeing
4th-best month of the year
2.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Steyr for sightseeing.

What to pack for Steyr in September

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

In September, Steyr sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Steyr 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 Steyr 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
May7High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Steyr?

Steyr sits at 48.0°N, 14.4°E, 290 m above sea level, in Austria. The nearest listed city is Ansfelden, 21 km away.

WelsAmstettenHallstattCesky KrumlovSankt Pölten

Topography around Steyr

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

Within 3 km, the terrain around Steyr has only modest variations in elevation — a maximum elevation change of 218 m around an average of 344 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 929 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,241 m.

The land around Steyr is covered by trees (34%) and artificial surfaces (25%) within 3 km, trees (36%), cropland (36%) and grassland (22%) within 16 km, and trees (59%) and grassland (23%) within 80 km.

3 km
218 m
16 km
929 m
80 km
2,241 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Ansfelden 21 km · Traun 24 km · Linz 31 km · Wels 32 km · Amstetten 35 km · Hallstatt 79 km · Cesky Krumlov 86 km · Sankt Pölten 92 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 Steyr (48.0427°, 14.4213°, elevation 290 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).