Winnenden weather in September

In September, Winnenden sees average daytime highs of 19°C and overnight lows near 10°C, with 64 mm of rain across 10.3 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 11th-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 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Winnenden's 3rd-clearest and 9th-windiest month. For the whole year in context, see Winnenden's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
64 mm
10.3 wet days
Daylight
12 h 24 min
6:06 AM – 6:27 PM
Cloud cover
62%
3rd clearest
Wind
9 km/h
9th windiest
Solar energy
3.34 kWh/m²
Travel score
6.0
out of 10

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 Winnenden 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 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°20°30°151015202530
Avg high (°C)Avg low (°C)
12212
22112
32112
42112
52111
62111
72111
82011
92011
102011
112011
122010
132010
142010
151910
161910
171910
181910
19199
20199
21189
22189
23189
24189
25189
26189
27179
28179
29179
30179

How September really feels in Winnenden

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.

Winnenden weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°7912.84.78.50.0
Feb / -1°6511.24.59.80.2
Mar10° / 7613.12.411.62.0
Apr14° / 53110.313.44.1
May19° / 8113.10155.5
Jun22° / 12°7112.6015.96.2
Jul24° / 14°7512.3015.56.6
Aug24° / 14°6511.3014.26.7
Sep19° / 10°6410.3012.46.0
Oct14° / 7311.90.110.53.7
Nov / 7411.81.88.91.1
Dec / -0°92155.28.10.0

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 14% of September, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24555
34654
44555
54456
64456
74357
84357
94258
104258
114357
124357
134258
144258
154258
164258
174159
184159
194159
204060
214060
223961
233961
243862
253763
263664
273565
283367
293268
303268

Chance of precipitation in September

Any precipitation

Winnenden gets around 64 mm of rain over 10.3 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 36% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1134
1234
1334
1434
1534
1634
1734
1835
1935
2035
2135
2235
2336
2436
2537
2638
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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169256
271245
372235
474224
574224
676213
776213
878202
978202
1079192
1179192
1281181
1382171
1483161
1583161
1684151
1784151
1886140
1986140
2087130
2187130
2288120
2388120
2489110
2589110
2690100
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 18 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 108 minutes over September. Sunrise moves from 5:44 AM to 6:27 AM, and sunset from 7:00 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:447:00
213.25:466:58
313.15:476:56
413.15:496:54
513.05:506:52
613.05:516:49
712.95:536:47
812.85:546:45
912.85:566:43
1012.75:576:41
1112.75:596:38
1212.66:006:36
1312.56:026:34
1412.56:036:32
1512.46:056:30
1612.46:066:27
1712.36:086:25
1812.26:096:23
1912.26:116:21
2012.16:126:18
2112.06:136:16
2212.06:156:14
2311.96:166:12
2411.96:186:10
2511.86:196:07
2611.76:216:05
2711.76:226:03
2811.66:246:01
2911.66:255:59
3011.56:275:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.34 kWh/m².

For context, solar energy here swings from a low near 0.79 kWh/m² to a high of 5.54 kWh/m² in June across the year — September's 3.34 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
83.6Moderate
93.6Moderate
103.6Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.2Moderate
203.2Moderate
213.1Moderate
223.1Moderate
233.0Moderate
243.0Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.7Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Winnenden?

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

6.0
Sightseeing
4th-best month of the year
2.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Winnenden for sightseeing.

What to pack for Winnenden in September

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

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

rain gear

UV index in Winnenden 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 Winnenden peaks around July 15 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 15UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Winnenden?

Winnenden sits at 48.9°N, 9.4°E, 293 m above sea level, in Germany. The nearest listed city is Weinstadt-Endersbach, 7.0 km away.

Topography around Winnenden

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

Within 3 km, the terrain around Winnenden has only modest variations in elevation — a maximum elevation change of 224 m around an average of 318 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 399 m; within 80 km, large variations in elevation — a maximum elevation change of 900 m.

The land around Winnenden is covered by trees (33%), grassland (25%) and cropland (22%) within 3 km, trees (46%) and grassland (21%) within 16 km, and trees (46%) and cropland (29%) within 80 km.

3 km
224 m
16 km
399 m
80 km
900 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Weinstadt-Endersbach 7.0 km · Waiblingen 8.0 km · Backnang 8.0 km · Remseck am Neckar 9.0 km · Fellbach 12 km · Schorndorf 12 km · Marbach am Neckar 12 km · Stuttgart Mühlhausen 13 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%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 Winnenden (48.8756°, 9.3982°, elevation 293 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).