Bad Kreuznach weather in September

In September, Bad Kreuznach sees average daytime highs of 19°C and overnight lows near 10°C, with 52 mm of rain across 9.2 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 8th-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 23% 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 Bad Kreuznach's 3rd-clearest and 9th-windiest month. For the whole year in context, see Bad Kreuznach's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
52 mm
9.2 wet days
Daylight
12 h 24 min
6:12 AM – 6:34 PM
Cloud cover
63%
3rd clearest
Wind
10 km/h
9th windiest
Solar energy
3.27 kWh/m²
Travel score
6.0
out of 10
Air quality
Moderate
PM2.5 11 µg/m³ · 2019

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 Bad Kreuznach 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 25°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°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
241810
25179
26179
27179
28179
29179
30169

How September really feels in Bad Kreuznach

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.

Bad Kreuznach weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°5111.13.18.40.0
Feb / -0°449.53.39.70.2
Mar / 5010.81.611.51.9
Apr14° / 46100.213.54.0
May18° / 6211.5015.15.5
Jun21° / 12°5510.50166.3
Jul24° / 14°5710.7015.76.8
Aug23° / 14°5310.1014.26.9
Sep19° / 10°529.2012.46.0
Oct13° / 5410.5010.53.6
Nov / 5311.518.81.1
Dec / 6412.83.480.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24258
34258
44357
54357
64357
74258
84357
94159
104159
114159
124159
133961
143961
153961
163961
173862
183862
193862
203862
213862
223664
233664
243565
253466
263367
273268
283169
293169
302872

Chance of precipitation in September

Any precipitation

Bad Kreuznach gets around 52 mm of rain over 9.2 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 32% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
128
228
329
429
529
630
730
831
931
1031
1132
1232
1332
1432
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2533
2634
2734
2835
2936
3036

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
173225
275214
376204
477203
578193
678193
780182
880182
980182
1081172
1181172
1282162
1382162
1484151
1585141
1686131
1786131
1887121
1988111
2088111
2189101
2289101
239190
249190
259190
269190
279280
289280
299280
309280

Wind in September

Winds average 10 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
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
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 5:49 AM to 6:34 AM, and sunset from 7:08 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:497:08
213.25:507:05
313.25:527:03
413.15:547:01
513.15:556:59
613.05:576:56
712.95:586:54
812.96:006:52
912.86:016:50
1012.76:036:47
1112.76:046:45
1212.66:066:43
1312.66:076:41
1412.56:096:38
1512.46:106:36
1612.46:126:34
1712.36:136:32
1812.26:156:29
1912.26:166:27
2012.16:186:25
2112.06:206:22
2212.06:216:20
2311.96:236:18
2411.96:246:16
2511.86:266:13
2611.76:276:11
2711.76:296:09
2811.66:306:07
2911.56:326:04
3011.56:346:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.27 kWh/m².

For context, solar energy here swings from a low near 0.69 kWh/m² to a high of 5.57 kWh/m² in June across the year — September's 3.27 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.4Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.2Moderate
183.2Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Bad Kreuznach?

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

September is a reasonable time to visit Bad Kreuznach for sightseeing.

What to pack for Bad Kreuznach in September

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

In September, Bad Kreuznach sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Bad Kreuznach 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 Bad Kreuznach peaks around July 15 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Bad Kreuznach?

Bad Kreuznach sits at 49.8°N, 7.9°E, 109 m above sea level, in Germany. The nearest listed city is Bingen am Rhein, 14 km away.

Topography around Bad Kreuznach

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

Within 3 km, the terrain around Bad Kreuznach has only modest variations in elevation — a maximum elevation change of 233 m around an average of 166 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 524 m; within 80 km, large variations in elevation — a maximum elevation change of 850 m.

The land around Bad Kreuznach is covered by trees (32%), grassland (29%) and artificial surfaces (28%) within 3 km, trees (34%), cropland (31%) and grassland (27%) within 16 km, and trees (53%) and cropland (23%) within 80 km.

3 km
233 m
16 km
524 m
80 km
850 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Bingen am Rhein 14 km · Ingelheim am Rhein 20 km · Alzey 21 km · Nieder-Ingelheim 21 km · Eltville 27 km · Gonsenheim 30 km · Mainz 33 km · Dotzheim 35 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 Bad Kreuznach (49.8414°, 7.8671°, elevation 109 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).