Seeheim-Jugenheim weather in September

In September, Seeheim-Jugenheim sees average daytime highs of 20°C and overnight lows near 11°C, with 61 mm of rain across 9.3 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 22°C in the first days to 17°C by the end. The sky is clear or mostly clear about 24% 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 Seeheim-Jugenheim's 4th-clearest and 9th-windiest month. For the whole year in context, see Seeheim-Jugenheim's year-round climate.

Daytime high
20°
4th warmest
Overnight low
11°
9th coldest
Rainfall
61 mm
9.3 wet days
Daylight
12 h 24 min
6:09 AM – 6:31 PM
Cloud cover
62%
4th clearest
Wind
10 km/h
9th windiest
Solar energy
3.28 kWh/m²
Travel score
6.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 17°C by the end.

A typical September day in Seeheim-Jugenheim reaches about 20°C in the afternoon and slips back to 11°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 26°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)
12213
22213
32212
42112
52112
62112
72112
82112
92112
102111
112011
122011
132011
142011
152011
162011
171911
181910
191910
201910
211910
221910
231810
241810
251810
261810
271810
281710
29179
30179

How September really feels in Seeheim-Jugenheim

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.

Seeheim-Jugenheim 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 / -1°7112.53.48.40.0
Feb / -0°60113.39.80.3
Mar10° / 6812.21.411.52.1
Apr15° / 5110.90.113.54.3
May19° / 10°7511.8015.15.7
Jun22° / 13°6711.20166.4
Jul24° / 15°7011.9015.76.7
Aug24° / 14°609.9014.26.9
Sep20° / 11°619.3012.46.1
Oct14° / 6511.60.110.53.8
Nov / 7011.80.98.81.2
Dec / 8514.93.480.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54456
64357
74357
84357
94357
104357
114258
124159
134258
144258
154258
164159
174159
184159
194159
204060
214060
223961
233961
243862
253664
263565
273565
283367
293169
303070

Chance of precipitation in September

Any precipitation

Seeheim-Jugenheim gets around 61 mm of rain over 9.3 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 33% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
129
229
330
430
531
631
732
832
932
1033
1133
1233
1333
1433
1533
1633
1733
1833
1932
2032
2132
2232
2332
2433
2534
2635
2736
2837
2938
3039

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 (%)
166268
268257
369247
470246
572235
673225
773225
875214
975214
1076204
1178193
1278193
1379183
1480173
1581163
1682162
1783152
1883152
1984142
2085141
2185141
2286131
2386131
2486131
2586131
2686131
2786131
2887130
2988120
3088120

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 10 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
3010calm

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 5:46 AM to 6:30 AM, and sunset from 7:04 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:467:04
213.25:477:02
313.25:497:00
413.15:506:58
513.15:526:55
613.05:546:53
712.95:556:51
812.95:576:49
912.85:586:47
1012.76:006:44
1112.76:016:42
1212.66:036:40
1312.66:046:37
1412.56:066:35
1512.46:076:33
1612.46:096:31
1712.36:106:28
1812.26:126:26
1912.26:136:24
2012.16:156:22
2112.06:166:19
2212.06:186:17
2311.96:206:15
2411.96:216:12
2511.86:236:10
2611.76:246:08
2711.76:266:06
2811.66:276:03
2911.56:296:01
3011.56:305:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.28 kWh/m².

For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 5.59 kWh/m² in June across the year — September's 3.28 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
93.6Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.4Moderate
143.4Moderate
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 Seeheim-Jugenheim?

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

6.1
Sightseeing
4th-best month of the year
3.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Seeheim-Jugenheim for sightseeing.

What to pack for Seeheim-Jugenheim in September

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

In September, Seeheim-Jugenheim sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Seeheim-Jugenheim 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 Seeheim-Jugenheim 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun7High
Jul7Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Seeheim-Jugenheim?

Seeheim-Jugenheim sits at 49.8°N, 8.7°E, 170 m above sea level, in Germany. The nearest listed city is Pfungstadt, 6.0 km away.

Topography around Seeheim-Jugenheim

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

Within 3 km, the terrain around Seeheim-Jugenheim has significant variations in elevation — a maximum elevation change of 355 m around an average of 227 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 540 m; within 80 km, large variations in elevation — a maximum elevation change of 829 m.

The land around Seeheim-Jugenheim is covered by trees (74%) within 3 km, trees (45%) and cropland (25%) within 16 km, and trees (49%) and cropland (27%) within 80 km.

3 km
355 m
16 km
540 m
80 km
829 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Pfungstadt 6.0 km · Bensheim 9.0 km · Ober-Ramstadt 10 km · Darmstadt 12 km · Griesheim 12 km · Riedstadt 14 km · Heppenheim an der Bergstrasse 14 km · Reinheim 15 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 Seeheim-Jugenheim (49.765°, 8.6519°, elevation 170 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).