Donaueschingen weather in September

In September, Donaueschingen sees average daytime highs of 17°C and overnight lows near 9°C, with 93 mm of precipitation across 12.5 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 25% 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 Donaueschingen's 3rd-clearest and 10th-windiest month. For the whole year in context, see Donaueschingen's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Precipitation
93 mm
12.5 wet days
Daylight
12 h 18 min
6:10 AM – 6:31 PM
Cloud cover
63%
3rd clearest
Wind
8 km/h
10th windiest
Solar energy
3.5 kWh/m²
Travel score
5.0
out of 10

Donaueschingen is human settlement in Germany.

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 19°C in the first days to 15°C by the end.

A typical September day in Donaueschingen reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
11911
21910
31910
41910
51910
61810
71810
81810
91810
10189
11189
12189
13179
14179
15179
16179
17179
18178
19178
20168
21168
22168
23168
24168
25168
26168
27158
28158
29158
30157

How September really feels in Donaueschingen

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.

Donaueschingen weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°8712.98.68.60.0
Feb / -3°74117.69.90.0
Mar / 8713.75.811.61.1
Apr12° / 8714.22.913.42.9
May16° / 13317.50.314.94.3
Jun20° / 11°12616.7015.75.2
Jul22° / 13°13816.7015.45.7
Aug21° / 12°12415.5014.15.8
Sep17° / 9312.50.112.45.0
Oct12° / 9112.70.910.63.0
Nov / 8312.34.390.6
Dec / -2°10013.78.18.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34357
44258
54159
64159
74060
84159
94159
104060
114060
124060
133961
143961
153961
163862
173862
183763
193664
203664
213664
223664
233763
243664
253664
263565
273565
283466
293367
303268

Chance of precipitation in September

Any precipitation

Donaueschingen gets around 93 mm of rain and snow 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 precipitation averages around 43% and peaks near 45% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202530
Rain chance (%)
145
245
345
444
544
644
744
844
944
1044
1143
1243
1343
1443
1542
1642
1742
1842
1942
2041
2141
2241
2341
2441
2541
2642
2742
2843
2944
3044

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
176222
277212
378202
479192
581181
682171
783161
884151
984151
1085141
1186140
1287130
1387130
1487130
1588120
1688120
1789110
1889110
1990100
209190
219190
229280
239370
249370
259460
269460
279550
289550
299640
309730

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
109calm
119calm
129calm
139calm
149calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:49 AM to 6:30 AM, and sunset from 7:02 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:497:02
213.25:507:00
313.15:526:58
413.15:536:56
513.05:556:54
612.95:566:52
712.95:576:50
812.85:596:48
912.86:006:46
1012.76:026:44
1112.66:036:41
1212.66:046:39
1312.56:066:37
1412.56:076:35
1512.46:096:33
1612.36:106:31
1712.36:116:28
1812.26:136:26
1912.26:146:24
2012.16:166:22
2112.06:176:20
2212.06:196:18
2311.96:206:16
2411.96:216:13
2511.86:236:11
2611.76:246:09
2711.76:266:07
2811.66:276:05
2911.66:296:03
3011.56:306:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.5 kWh/m².

For context, solar energy here swings from a low near 0.97 kWh/m² to a high of 5.62 kWh/m² in June across the year — September's 3.5 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.3Moderate
213.3Moderate
223.2Moderate
233.2Moderate
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 Donaueschingen?

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

5.0
Sightseeing
4th-best month of the year
1.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Donaueschingen for sightseeing.

What to pack for Donaueschingen in September

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

In September, Donaueschingen sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Donaueschingen 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 Donaueschingen peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Donaueschingen 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 Donaueschingen is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1215 µg/m³Nov 169 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Good
Aug12Moderate
Sep11Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is Donaueschingen?

Donaueschingen sits at 48.0°N, 8.5°E, 701 m above sea level, in Germany. The nearest listed city is Villingen-Schwenningen, 12 km away.

Topography around Donaueschingen

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

Within 3 km, the terrain around Donaueschingen has only modest variations in elevation — a maximum elevation change of 172 m around an average of 705 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 557 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,350 m.

The land around Donaueschingen is covered by grassland (32%), cropland (26%) and trees (22%) within 3 km, trees (47%), grassland (26%) and cropland (20%) within 16 km, and trees (52%) and grassland (21%) within 80 km.

3 km
172 m
16 km
557 m
80 km
1,350 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Villingen-Schwenningen 12 km · Trossingen 17 km · Tuttlingen 24 km · Rottweil 26 km · Schaffhausen 30 km · Schramberg 31 km · Singen 34 km · Stockach 40 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 Donaueschingen (47.9551°, 8.4971°, elevation 701 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).