Wertheim weather in September

In September, Wertheim sees average daytime highs of 19°C and overnight lows near 10°C, with 61 mm of rain across 10.3 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 10th-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 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 Wertheim's 4th-clearest and 9th-windiest month. For the whole year in context, see Wertheim's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
61 mm
10.3 wet days
Daylight
12 h 24 min
6:05 AM – 6:27 PM
Cloud cover
64%
4th clearest
Wind
10 km/h
9th windiest
Solar energy
3.28 kWh/m²
Travel score
5.8
out of 10

Wertheim is chef-lieu of Wertheim am Main.

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 Wertheim 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 14°C and 24°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52011
62011
72011
82011
92011
102011
111911
121911
131910
141910
151910
161910
171910
181810
191810
20189
21189
22189
23189
24179
25179
26179
27179
28179
29169
30169

How September really feels in Wertheim

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.

Wertheim weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°6612.24.58.40.0
Feb / -1°5710.74.49.80.1
Mar / 6812.22.111.51.8
Apr14° / 5510.60.313.54.0
May18° / 8012.8015.15.4
Jun21° / 12°7512.80166.0
Jul24° / 14°7913.4015.76.4
Aug23° / 14°6811.2014.26.7
Sep19° / 10°6110.3012.45.8
Oct13° / 6611.60.110.53.5
Nov / 6411.41.58.80.9
Dec / -0°7813.64.980.0

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 14% of September, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23862
33961
43862
53862
63961
73961
83961
93961
103961
114060
123961
133961
143961
154060
164060
174060
183961
193862
203862
213862
223862
233763
243565
253565
263565
273268
283268
293070
303070

Chance of precipitation in September

Any precipitation

Wertheim gets around 61 mm of rain over 10.3 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
636
737
837
936
1036
1136
1236
1335
1435
1535
1635
1734
1834
1934
2034
2133
2233
2334
2434
2535
2636
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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
169247
270246
371236
473225
574224
674224
776213
876213
978202
1078202
1179192
1281181
1382171
1483161
1584151
1684151
1785141
1887130
1988120
2088120
2189110
2289110
2390100
2490100
2590100
2690100
279190
289190
299190
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 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 5:42 AM to 6:27 AM, and sunset from 7:01 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:427:01
213.25:446:59
313.25:466:56
413.15:476:54
513.15:496:52
613.05:506:50
712.95:526:48
812.95:536:45
912.85:556:43
1012.75:566:41
1112.75:586:39
1212.65:596:36
1312.66:016:34
1412.56:026:32
1512.46:046:30
1612.46:056:27
1712.36:076:25
1812.26:086:23
1912.26:106:20
2012.16:116:18
2112.06:136:16
2212.06:156:14
2311.96:166:11
2411.96:186:09
2511.86:196:07
2611.76:216:05
2711.76:226:02
2811.66:246:00
2911.56:255:58
3011.56:275:56

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 Wertheim?

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
2.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Wertheim for sightseeing.

What to pack for Wertheim in September

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

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

rain gear

UV index in Wertheim 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 Wertheim 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Wertheim 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 Wertheim is worst in April — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1515 µg/m³Nov 218 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar14Moderate
Apr15Moderate
May13Moderate
Jun15Moderate
Jul12Moderate
Aug12Moderate
Sep12Good
Oct10Good
Nov8Good
Dec9Good
Location & terrain

Where is Wertheim?

Wertheim sits at 49.8°N, 9.5°E, 174 m above sea level, in Germany. The nearest listed city is Lauda-Königshofen, 26 km away.

Topography around Wertheim

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

Within 3 km, the terrain around Wertheim has only modest variations in elevation — a maximum elevation change of 233 m around an average of 244 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 462 m; within 80 km, large variations in elevation — a maximum elevation change of 847 m.

The land around Wertheim is covered by trees (53%) within 3 km, trees (55%) and cropland (28%) within 16 km, and trees (47%) and cropland (32%) within 80 km.

3 km
233 m
16 km
462 m
80 km
847 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Lauda-Königshofen 26 km · Lohr am Main 26 km · Karlstadt 29 km · Buchen in Odenwald 29 km · Würzburg 32 km · Aschaffenburg 35 km · Bad Mergentheim 35 km · Großostheim 36 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 Wertheim (49.759°, 9.5085°, elevation 174 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).