Dillingen an der Donau weather in September

In September, Dillingen an der Donau sees average daytime highs of 19°C and overnight lows near 10°C, with 62 mm of rain across 10.9 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 25% 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 Dillingen an der Donau's 4th-clearest and 9th-windiest month. For the whole year in context, see Dillingen an der Donau's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
62 mm
10.9 wet days
Daylight
12 h 24 min
6:02 AM – 6:23 PM
Cloud cover
63%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
3.39 kWh/m²
Travel score
5.8
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 Dillingen an der Donau 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 13°C and 25°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
32111
42111
52111
62011
72011
82011
92011
102010
112010
122010
131910
141910
151910
161910
17199
18199
19189
20189
21189
22189
23189
24189
25189
26178
27178
28178
29178
30178

How September really feels in Dillingen an der Donau

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.

Dillingen an der Donau 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°5610.94.88.50.0
Feb / -2°45104.39.80.2
Mar10° / 5911.92.411.62.0
Apr14° / 5410.50.613.44.1
May19° / 87140155.4
Jun22° / 12°8513.5015.86.0
Jul24° / 14°8813.4015.56.4
Aug24° / 13°7912.1014.16.6
Sep19° / 10°6210.9012.45.8
Oct14° / 6010.80.210.63.7
Nov / 5910.2290.9
Dec / -1°6212.44.98.20.0

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 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34456
44258
54258
64357
74357
84159
94159
104159
114258
124258
134060
144060
154060
164060
174060
183961
193862
203862
213862
223763
233763
243664
253466
263466
273268
283268
293169
303070

Chance of precipitation in September

Any precipitation

Dillingen an der Donau gets around 62 mm of rain over 10.9 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 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
440
540
640
740
840
939
1039
1138
1238
1337
1437
1536
1636
1735
1835
1935
2034
2134
2234
2334
2434
2535
2636
2736
2837
2938
3038

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167267
269256
371245
473234
573234
675223
775223
877212
977212
1079201
1180191
1281181
1381181
1482171
1584160
1684160
1785150
1886140
1987130
2087130
2188120
2289110
2390100
249190
259190
269280
279370
289370
299460
309460

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 5:40 AM to 6:22 AM, and sunset from 6:55 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:406:55
213.25:426:53
313.15:436:51
413.15:446:49
513.05:466:47
613.05:476:45
712.95:496:43
812.85:506:40
912.85:526:38
1012.75:536:36
1112.75:556:34
1212.65:566:32
1312.55:576:29
1412.55:596:27
1512.46:006:25
1612.46:026:23
1712.36:036:21
1812.26:056:18
1912.26:066:16
2012.16:086:14
2112.06:096:12
2212.06:116:10
2311.96:126:07
2411.96:146:05
2511.86:156:03
2611.76:166:01
2711.76:185:59
2811.66:195:57
2911.66:215:54
3011.56:225:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.39 kWh/m².

For context, solar energy here swings from a low near 0.87 kWh/m² to a high of 5.59 kWh/m² in June across the year — September's 3.39 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Moderate
43.9Moderate
53.9Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
262.9Moderate
272.9Moderate
282.8Moderate
292.8Moderate
302.7Moderate
Planning a trip in September

Is September a good time to visit Dillingen an der Donau?

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

5.8
Sightseeing
4th-best month of the year
2.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Dillingen an der Donau for sightseeing.

What to pack for Dillingen an der Donau in September

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

In September, Dillingen an der Donau sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Dillingen an der Donau 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 Dillingen an der Donau 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 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 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Dillingen an der Donau?

Dillingen an der Donau sits at 48.6°N, 10.5°E, 436 m above sea level, in Germany. The nearest listed city is Giengen an der Brenz, 19 km away.

Topography around Dillingen an der Donau

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dillingen an der Donau.

Within 3 km, the terrain around Dillingen an der Donau has only modest variations in elevation — a maximum elevation change of 38 m around an average of 430 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, large variations in elevation — a maximum elevation change of 644 m.

The land around Dillingen an der Donau is covered by cropland (46%) and trees (25%) within 3 km, cropland (48%) and trees (29%) within 16 km, and trees (38%), cropland (35%) and grassland (21%) within 80 km.

3 km
38 m
16 km
189 m
80 km
644 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Giengen an der Brenz 19 km · Günzburg 21 km · Donauwörth 26 km · Heidenheim an der Brenz 27 km · Nördlingen 30 km · Neusäß 33 km · Gersthofen 33 km · Augsburg 38 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 Dillingen an der Donau (48.5815°, 10.4953°, elevation 436 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).