Chemnitz weather in September

In September, Chemnitz sees average daytime highs of 17°C and overnight lows near 9°C, with 76 mm of rain across 12.3 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Chemnitz's 3rd-clearest and 8th-windiest month. For the whole year in context, see Chemnitz's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Rainfall
76 mm
12.3 wet days
Daylight
12 h 24 min
5:51 AM – 6:14 PM
Cloud cover
65%
3rd clearest
Wind
11 km/h
8th windiest
Solar energy
3.1 kWh/m²
Travel score
5.0
out of 10

Chemnitz is city in Saxony, Germany.

Air quality
Moderate
PM2.5 10.6 µg/m³ · 2019
Density
1,119/km²
people per km²
Founded
1143

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 19°C in the first days to 15°C by the end.

A typical September day in Chemnitz reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°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)
11911
21911
31910
41910
51810
61810
71810
81810
91810
101810
11189
12179
13179
14179
15179
16179
17179
18179
19168
20168
21168
22168
23168
24168
25158
26158
27158
28157
29157
30157

How September really feels in Chemnitz

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.

Chemnitz weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°7614.49.78.20.0
Feb / -3°591289.70.0
Mar / -0°7414.56.711.50.7
Apr12° / 5811.9213.52.9
May16° / 8514.50.215.24.6
Jun19° / 11°9614.3016.25.5
Jul22° / 13°10814.7015.85.9
Aug21° / 12°9513.9014.36.0
Sep17° / 7612.3012.45.0
Oct12° / 68120.710.42.8
Nov / 69124.28.70.5
Dec / -2°7714.48.87.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23565
33466
43664
53664
63565
73565
83664
93664
103763
113763
123763
133763
143862
153862
163961
173862
183862
193763
203664
213664
223664
233664
243664
253565
263565
273466
283367
293367
303367

Chance of precipitation in September

Any precipitation

Chemnitz gets around 76 mm of rain over 12.3 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 41% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
246
346
445
545
645
745
845
944
1044
1143
1242
1342
1441
1540
1639
1739
1838
1938
2038
2137
2237
2337
2438
2538
2638
2739
2839
2940
3041

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
177203
279183
379183
481172
582162
683152
784151
885141
986131
1086131
1187121
1288111
1388111
1489101
159091
169181
179280
189370
199460
209460
219550
229550
239640
249640
259640
269730
279730
289730
299730
309820

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
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
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 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 114 minutes over September. Sunrise moves from 5:27 AM to 6:14 AM, and sunset from 6:49 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:276:49
213.35:296:46
313.25:306:44
413.25:326:42
513.15:346:40
613.05:356:37
713.05:376:35
812.95:386:33
912.85:406:30
1012.85:426:28
1112.75:436:26
1212.65:456:23
1312.65:466:21
1412.55:486:19
1512.45:506:16
1612.45:516:14
1712.35:536:12
1812.25:546:09
1912.25:566:07
2012.15:586:05
2112.05:596:02
2212.06:016:00
2311.96:035:58
2411.96:045:55
2511.86:065:53
2611.76:075:51
2711.76:095:48
2811.66:115:46
2911.56:125:44
3011.56:145:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.1 kWh/m².

For context, solar energy here swings from a low near 0.69 kWh/m² to a high of 5.3 kWh/m² in June across the year — September's 3.1 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Chemnitz?

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

5.0
Sightseeing
4th-best month of the year
1.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Chemnitz for sightseeing.

What to pack for Chemnitz in September

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

In September, Chemnitz sees daytime highs around 17°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Chemnitz 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 Chemnitz peaks around June 23 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr4Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Chemnitz?

Chemnitz sits at 50.8°N, 12.9°E, 306 m above sea level, in Germany. The nearest listed city is Limbach-Oberfrohna, 12 km away.

Topography around Chemnitz

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

Within 3 km, the terrain around Chemnitz has only modest variations in elevation — a maximum elevation change of 120 m around an average of 324 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 465 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Chemnitz is covered by trees (49%) and artificial surfaces (45%) within 3 km, trees (38%), cropland (33%) and grassland (20%) within 16 km, and trees (39%) and cropland (38%) within 80 km.

3 km
120 m
16 km
465 m
80 km
1,205 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Limbach-Oberfrohna 12 km · Hohenstein-Ernstthal 16 km · Mittweida 17 km · Marienberg 26 km · Glauchau 27 km · Annaberg-Buchholz 29 km · Freiberg 30 km · Aue 31 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 Chemnitz (50.8357°, 12.9292°, elevation 306 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).