Wettingen weather in September

In September, Wettingen sees average daytime highs of 19°C and overnight lows near 10°C, with 95 mm of rain across 12.5 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 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 Wettingen's 3rd-clearest and 9th-windiest month. For the whole year in context, see Wettingen's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
95 mm
12.5 wet days
Daylight
12 h 18 min
6:11 AM – 6:31 PM
Cloud cover
61%
3rd clearest
Wind
7 km/h
9th windiest
Solar energy
3.57 kWh/m²
Travel score
5.6
out of 10

Wettingen is Switzerland.

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 Wettingen reaches about 19°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62012
72011
82011
92011
102011
112011
121911
131911
141911
151910
161910
171910
181910
191810
201810
211810
221810
231810
24189
25179
26179
27179
28179
29179
30179

How September really feels in Wettingen

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.

Wettingen 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 / -1°7712.25.88.70.0
Feb / -1°6510.559.90.3
Mar10° / 8113.13.611.62.2
Apr14° / 8613.31.513.33.8
May18° / 12616014.95.0
Jun22° / 13°12616.6015.75.6
Jul24° / 14°14016.1015.46.1
Aug23° / 14°13115.6014.16.1
Sep19° / 10°9512.5012.45.6
Oct14° / 8812.40.310.63.7
Nov / 8411.92.69.11.1
Dec / -0°9213.75.48.30.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24852
34852
44951
54852
64852
74753
84654
94654
104654
114555
124555
134555
144555
154456
164456
174456
184456
194258
204258
214258
224258
234159
244060
254060
263961
273862
283763
293763
303565

Chance of precipitation in September

Any precipitation

Wettingen gets around 95 mm of rain over 12.5 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 43% and peaks near 45% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
144
244
344
443
543
643
743
843
943
1043
1143
1243
1343
1443
1543
1643
1742
1842
1942
2042
2142
2242
2342
2442
2542
2642
2743
2844
2944
3045

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 76% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1602911
2622810
363289
465278
566277
668266
768266
869265
971254
1071254
1172253
1273243
1374242
1475232
1576231
1677221
1777221
1878211
1979201
2081190
2182180
2283170
2384160
2485150
2586140
2686140
2787130
2888120
2989110
3090100

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 5:50 AM to 6:30 AM, and sunset from 7:03 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:507:03
213.15:527:00
313.15:536:58
413.05:546:56
513.05:566:54
612.95:576:52
712.95:596:50
812.86:006:48
912.76:016:46
1012.76:036:44
1112.66:046:42
1212.66:056:40
1312.56:076:37
1412.56:086:35
1512.46:106:33
1612.36:116:31
1712.36:126:29
1812.26:146:27
1912.26:156:25
2012.16:166:23
2112.06:186:20
2212.06:196:18
2311.96:216:16
2411.96:226:14
2511.86:236:12
2611.86:256:10
2711.76:266:08
2811.66:286:06
2911.66:296:04
3011.56:306:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.57 kWh/m².

For context, solar energy here swings from a low near 1.01 kWh/m² to a high of 5.65 kWh/m² in June across the year — September's 3.57 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.0Bright
64.0Bright
74.0Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.3Moderate
233.2Moderate
243.2Moderate
253.1Moderate
263.1Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Wettingen?

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

5.6
Sightseeing
3rd-best month of the year
2.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Wettingen for sightseeing.

What to pack for Wettingen in September

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

In September, Wettingen 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 Wettingen 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 Wettingen peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Wettingen?

Wettingen sits at 47.5°N, 8.3°E, 413 m above sea level, in Switzerland. The nearest listed city is Baden, 2.0 km away.

Topography around Wettingen

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

Within 3 km, the terrain around Wettingen has significant variations in elevation — a maximum elevation change of 503 m around an average of 479 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 544 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,023 m.

The land around Wettingen is covered by trees (63%) within 3 km, trees (47%) and cropland (21%) within 16 km, and trees (48%) and grassland (29%) within 80 km.

3 km
503 m
16 km
544 m
80 km
3,023 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Baden 2.0 km · Dietikon 9.0 km · Zürich (Kreis 10) 15 km · Zürich (Kreis 10) / Höngg 15 km · Zürich (Kreis 9) / Altstetten 15 km · Zürich (Kreis 9) 15 km · Zürich (Kreis 11) / Affoltern 15 km · Zürich (Kreis 11) 15 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

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 Wettingen (47.4661°, 8.3266°, elevation 413 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).