Wels weather in September

In September, Wels sees average daytime highs of 19°C and overnight lows near 11°C, with 77 mm of rain across 11.2 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 22°C in the first days to 17°C by the end. The sky is clear or mostly clear about 28% 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 Wels's 4th-clearest and 9th-windiest month. For the whole year in context, see Wels's year-round climate.

Daytime high
19°
4th warmest
Overnight low
11°
9th coldest
Rainfall
77 mm
11.2 wet days
Daylight
12 h 18 min
5:48 AM – 6:09 PM
Cloud cover
60%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
3.37 kWh/m²
Travel score
5.9
out of 10
Air quality
Moderate
PM2.5 12.2 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 22°C in the first days to 17°C by the end.

A typical September day in Wels reaches about 19°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 25°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)
12213
22213
32213
42112
52112
62112
72112
82112
92012
102012
112011
122011
132011
142011
152011
161911
171911
181910
191910
201910
211910
221810
231810
241810
251810
26189
27189
28179
29179
30179

How September really feels in Wels

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.

Wels 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 / -2°6211.36.58.60.0
Feb / -2°5210.25.19.90.2
Mar10° / 7112.73.211.62.0
Apr15° / 5710.50.813.44.4
May19° / 10°9013.3014.95.7
Jun23° / 13°8913.8015.86.2
Jul25° / 15°9514015.46.4
Aug25° / 15°8811014.16.7
Sep19° / 11°7711.2012.45.9
Oct14° / 65110.410.63.9
Nov / 5610.32.691.1
Dec / -1°6112.35.88.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54654
64654
74654
84654
94654
104555
114555
124654
134555
144555
154555
164357
174258
184258
194258
204258
214258
224159
234060
244060
254060
263961
274060
284060
293961
303961

Chance of precipitation in September

Any precipitation

Wels gets around 77 mm of rain over 11.2 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 37% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
242
342
442
542
642
741
841
940
1039
1139
1238
1337
1437
1536
1635
1735
1835
1934
2034
2134
2234
2334
2434
2534
2635
2735
2836
2936
3036

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 (%)
1573310
259329
360328
462317
563316
664315
766304
866304
967303
1068293
1169283
1270282
1371272
1472262
1574251
1675241
1777221
1878211
1979201
2081181
2182171
2285150
2386140
2487130
2588120
2689110
2790100
2890100
299190
309190

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:27 AM to 6:08 AM, and sunset from 6:41 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:276:41
213.25:286:39
313.15:296:36
413.15:316:34
513.05:326:32
612.95:346:30
712.95:356:28
812.85:366:26
912.85:386:24
1012.75:396:22
1112.65:416:19
1212.65:426:17
1312.55:446:15
1412.55:456:13
1512.45:466:11
1612.35:486:09
1712.35:496:06
1812.25:516:04
1912.25:526:02
2012.15:546:00
2112.05:555:58
2212.05:565:56
2311.95:585:53
2411.95:595:51
2511.86:015:49
2611.76:025:47
2711.76:045:45
2811.66:055:43
2911.66:075:40
3011.56:085:38

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 0.91 kWh/m² to a high of 5.54 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
63.8Moderate
73.7Moderate
83.7Moderate
93.6Moderate
103.6Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.3Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
263.0Moderate
272.9Moderate
282.9Moderate
292.8Moderate
302.8Moderate
Planning a trip in September

Is September a good time to visit Wels?

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
2.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Wels for sightseeing.

What to pack for Wels in September

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

In September, Wels 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 Wels 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 Wels 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 January 1 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 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May7High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Wels 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 Wels is worst in June — around 15 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Wels's WHO annual average of 12.2 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1515 µg/m³Oct 2210 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar14Moderate
Apr14Moderate
May14Moderate
Jun15Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is Wels?

Wels sits at 48.2°N, 14.0°E, 317 m above sea level, in Austria. The nearest listed city is Traun, 16 km away.

SteyrAmstettenPassauHallstattCesky Krumlov

Topography around Wels

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

Within 3 km, the terrain around Wels has only modest variations in elevation — a maximum elevation change of 92 m around an average of 328 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 249 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,371 m.

The land around Wels is covered by artificial surfaces (42%), cropland (27%) and trees (21%) within 3 km, cropland (56%) and trees (26%) within 16 km, and trees (53%) and grassland (24%) within 80 km.

3 km
92 m
16 km
249 m
80 km
2,371 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Traun 16 km · Ansfelden 20 km · Linz 24 km · Steyr 32 km · Amstetten 62 km · Passau 63 km · Hallstatt 73 km · Cesky Krumlov 75 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 Wels (48.1667°, 14.0333°, elevation 317 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).