Zweibrücken weather in September

In September, Zweibrücken sees average daytime highs of 19°C and overnight lows near 11°C, with 65 mm of rain across 9.8 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 9th-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 Zweibrücken's 3rd-clearest and 9th-windiest month. For the whole year in context, see Zweibrücken's year-round climate.

Daytime high
19°
4th warmest
Overnight low
11°
9th coldest
Rainfall
65 mm
9.8 wet days
Daylight
12 h 24 min
6:14 AM – 6:36 PM
Cloud cover
62%
3rd clearest
Wind
11 km/h
9th windiest
Solar energy
3.31 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 Zweibrücken reaches about 19°C in the afternoon and slips back to 11°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 25°C. Set against its neighbours, September runs about 5°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
62112
72012
82012
92011
102011
112011
122011
132011
141911
151911
161911
171910
181910
191910
201810
211810
221810
231810
241810
251810
261710
27179
28179
29179
30179

How September really feels in Zweibrücken

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.

Zweibrücken weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°7812.73.78.50.0
Feb / 6610.63.39.80.2
Mar10° / 7011.71.711.62.1
Apr14° / 5710.70.113.44.1
May18° / 7312.5015.15.5
Jun22° / 13°6211.3015.96.3
Jul24° / 14°6511.2015.66.7
Aug24° / 14°6410.9014.26.7
Sep19° / 11°659.8012.46.0
Oct14° / 7111.6010.53.7
Nov / 7512.41.28.91.2
Dec / 9814.23.58.10.0

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%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24258
34159
44159
54060
64159
74159
84159
94060
104159
114060
124060
134159
144159
154159
164159
174060
184159
194159
204060
214060
224060
233961
243763
253763
263664
273466
283367
293169
303070

Chance of precipitation in September

Any precipitation

Zweibrücken gets around 65 mm of rain over 9.8 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 34% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
131
231
331
431
531
632
732
833
933
1033
1134
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2334
2435
2536
2636
2737
2838
2939
3040

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
168257
270246
371236
472235
574224
674224
774224
875223
976213
1076213
1178202
1278202
1379192
1479192
1580182
1681172
1782171
1883161
1983161
2084151
2184151
2285141
2385141
2485141
2585141
2687130
2787130
2887130
2987130
3088120

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:52 AM to 6:35 AM, and sunset from 7:09 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:527:09
213.25:537:07
313.25:557:04
413.15:567:02
513.05:587:00
613.05:596:58
712.96:016:56
812.96:026:53
912.86:046:51
1012.76:056:49
1112.76:076:47
1212.66:086:45
1312.56:106:42
1412.56:116:40
1512.46:136:38
1612.46:146:36
1712.36:166:33
1812.26:176:31
1912.26:196:29
2012.16:206:27
2112.06:226:24
2212.06:236:22
2311.96:256:20
2411.96:266:18
2511.86:286:15
2611.76:296:13
2711.76:316:11
2811.66:326:09
2911.56:346:07
3011.56:356:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.31 kWh/m².

For context, solar energy here swings from a low near 0.71 kWh/m² to a high of 5.59 kWh/m² in June across the year — September's 3.31 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Zweibrücken?

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
2.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Zweibrücken for sightseeing.

What to pack for Zweibrücken in September

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

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

rain gear

UV index in Zweibrücken 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 Zweibrücken peaks around July 15 at about 7 (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 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Zweibrücken 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 Zweibrücken 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 1515 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun14Moderate
Jul12Good
Aug12Good
Sep11Good
Oct10Good
Nov9Good
Dec9Good
Location & terrain

Where is Zweibrücken?

Zweibrücken sits at 49.2°N, 7.4°E, 242 m above sea level, in Germany. The nearest listed city is Blieskastel, 8.0 km away.

Topography around Zweibrücken

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

Within 3 km, the terrain around Zweibrücken has only modest variations in elevation — a maximum elevation change of 146 m around an average of 284 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, large variations in elevation — a maximum elevation change of 912 m.

The land around Zweibrücken is covered by trees (46%) and artificial surfaces (22%) within 3 km, trees (49%), grassland (24%) and cropland (20%) within 16 km, and trees (50%) and cropland (24%) within 80 km.

3 km
146 m
16 km
215 m
80 km
912 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Blieskastel 8.0 km · Homburg 9.0 km · Bexbach 14 km · Neunkirchen 17 km · Pirmasens 18 km · Sankt Ingbert 19 km · Schiffweiler 22 km · Sulzbach 23 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 Zweibrücken (49.2469°, 7.3698°, elevation 242 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).