Freilassing weather in September

In September, Freilassing sees average daytime highs of 17°C and overnight lows near 8°C, with 165 mm of precipitation across 15.7 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°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 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Freilassing's 3rd-clearest and 9th-windiest month. For the whole year in context, see Freilassing's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Precipitation
165 mm
15.7 wet days
Daylight
12 h 18 min
5:52 AM – 6:13 PM
Cloud cover
63%
3rd clearest
Wind
6 km/h
9th windiest
Solar energy
3.4 kWh/m²
Travel score
4.7
out of 10

Freilassing is main part of the city of Freilassing in the Upper Bavarian district of Berchtesgadener Land.

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 16°C by the end.

A typical September day in Freilassing reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°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 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
11910
21910
31910
41910
51810
6189
7189
8189
9189
10189
11189
12189
13179
14178
15178
16178
17178
18178
19178
20178
21168
22168
23167
24167
25167
26167
27167
28167
29157
30157

How September really feels in Freilassing

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.

Freilassing weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°11713.912.38.60.0
Feb / -5°10513.312.19.90.0
Mar / -2°14017.111.911.60.9
Apr12° / 12115.86.513.42.7
May17° / 19619.81.514.94.2
Jun20° / 11°215200.215.74.8
Jul22° / 12°21720.6015.45.1
Aug21° / 12°19318.3014.15.4
Sep17° / 16515.70.512.44.7
Oct13° / 12013.93.110.63.1
Nov / -1°10913.189.10.6
Dec / -5°1211512.48.30.0

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 16% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54258
64159
74159
84159
94159
104357
114357
124258
134258
144258
154159
164159
174159
184159
194159
204159
214159
224159
234060
244060
253961
263961
273961
283961
293961
303763

Chance of precipitation in September

Any precipitationSnow

Freilassing gets around 165 mm of rain and snow over 15.7 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 53% and peaks near 59% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1591
2591
3581
4582
5582
6572
7572
8572
9562
10562
11552
12552
13542
14542
15542
16532
17532
18522
19522
20512
21512
22502
23502
24492
25492
26492
27492
28493
29493
30503

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
166304
268284
370273
473252
574242
676222
778211
879201
981181
1082171
1183161
1285150
1387130
1488120
1589110
1690100
179190
189190
199280
209370
219460
229550
239550
249640
259730
269730
279820
289820
299910
309910

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 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 102 minutes over September. Sunrise moves from 5:31 AM to 6:12 AM, and sunset from 6:44 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:316:44
213.25:336:42
313.15:346:40
413.05:356:38
513.05:376:36
612.95:386:34
712.95:406:32
812.85:416:30
912.85:426:28
1012.75:446:26
1112.65:456:23
1212.65:476:21
1312.55:486:19
1412.55:496:17
1512.45:516:15
1612.35:526:13
1712.35:546:10
1812.25:556:08
1912.25:566:06
2012.15:586:04
2112.05:596:02
2212.06:016:00
2311.96:025:58
2411.96:035:55
2511.86:055:53
2611.76:065:51
2711.76:085:49
2811.66:095:47
2911.66:115:45
3011.56:125:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.4 kWh/m².

For context, solar energy here swings from a low near 1.05 kWh/m² to a high of 5.38 kWh/m² in June across the year — September's 3.4 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
83.7Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.2Moderate
223.2Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Freilassing?

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

4.7
Sightseeing
4th-best month of the year
1.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Freilassing for sightseeing.

What to pack for Freilassing in September

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

In September, Freilassing sees daytime highs around 17°C and nights near 8°C. Pack rain gear. About 16 days see rain.

rain gear

UV index in Freilassing 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 Freilassing peaks around July 10 at about 8 (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 10UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May7High
Jun8Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Freilassing 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 Freilassing is worst in June — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1515 µg/m³Oct 2010 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb12Moderate
Mar15Moderate
Apr15Moderate
May14Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct10Good
Nov11Good
Dec12Good
Location & terrain

Where is Freilassing?

Freilassing sits at 47.8°N, 13.0°E, 423 m above sea level, in Germany. The nearest listed city is Salzburg, 7.0 km away.

MühldorfHallstatt

Topography around Freilassing

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

Within 3 km, the terrain around Freilassing has only modest variations in elevation — a maximum elevation change of 53 m around an average of 421 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,512 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,168 m.

The land around Freilassing is covered by trees (35%), grassland (26%) and artificial surfaces (23%) within 3 km, trees (47%) and grassland (38%) within 16 km, and trees (50%) and grassland (28%) within 80 km.

3 km
53 m
16 km
1,512 m
80 km
3,168 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Salzburg 7.0 km · Bad Reichenhall 15 km · Traunstein 25 km · Traunreut 32 km · Burghausen 38 km · Saalfelden am Steinernen Meer 47 km · Mühldorf 57 km · Hallstatt 59 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 Freilassing (47.8409°, 12.9811°, elevation 423 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).