Fribourg weather in September

In September, Fribourg sees average daytime highs of 17°C and overnight lows near 9°C, with 117 mm of precipitation across 12.8 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 6th-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 29% 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 Fribourg's 3rd-clearest and 10th-windiest month. For the whole year in context, see Fribourg's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Precipitation
117 mm
12.8 wet days
Daylight
12 h 18 min
6:16 AM – 6:36 PM
Cloud cover
59%
3rd clearest
Wind
6 km/h
10th windiest
Solar energy
3.77 kWh/m²
Travel score
5.2
out of 10
Air quality
Good
PM2.5 8.7 µg/m³ · 2020

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 Fribourg reaches about 17°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 22°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11910
21910
31910
41910
51910
61910
71910
8189
9189
10189
11189
12189
13189
14189
15179
16179
17178
18178
19178
20178
21178
22168
23168
24168
25168
26167
27167
28167
29157
30157

How September really feels in Fribourg

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.

Fribourg weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°10112.810.88.80.0
Feb / -3°9211.49.8100.0
Mar / -0°9913.38.611.61.5
Apr12° / 10714.36.213.32.9
May16° / 15717.52.514.84.2
Jun20° / 10°15017.30.415.65.2
Jul22° / 12°15916.30.215.35.8
Aug21° / 12°15015.50.1145.9
Sep17° / 11712.8112.45.2
Oct13° / 10412.42.610.63.3
Nov / 11113.37.19.20.8
Dec / -3°11813.8118.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25149
35149
45050
55050
65050
75050
85050
94951
104852
114951
124852
134753
144753
154654
164654
174555
184456
194456
204357
214357
224357
234357
244159
254159
264159
274060
283961
293763
303763

Chance of precipitation in September

Any precipitationSnow

Fribourg gets around 117 mm of rain and snow over 12.8 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 44% and peaks near 45% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1452
2452
3452
4452
5452
6452
7442
8442
9443
10443
11443
12443
13443
14443
15443
16443
17434
18434
19434
20424
21424
22424
23424
24424
25424
26434
27434
28445
29445
30445

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
174251
277230
378220
480200
582180
683170
785150
886140
988120
1089110
1190100
129190
139370
149370
159460
169550
179640
189640
199730
209730
219820
229820
239820
249910
259910
269910
279910
289910
299910
309910

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 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
16calm
26calm
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 5:56 AM to 6:35 AM, and sunset from 7:06 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:567:06
213.15:577:04
313.15:587:02
413.06:007:00
513.06:016:58
612.96:026:56
712.86:046:54
812.86:056:52
912.76:066:50
1012.76:086:48
1112.66:096:46
1212.66:106:44
1312.56:126:42
1412.46:136:40
1512.46:156:38
1612.36:166:36
1712.36:176:34
1812.26:196:31
1912.26:206:29
2012.16:216:27
2112.06:236:25
2212.06:246:23
2311.96:256:21
2411.96:276:19
2511.86:286:17
2611.86:296:15
2711.76:316:13
2811.66:326:11
2911.66:336:09
3011.56:356:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.77 kWh/m².

For context, solar energy here swings from a low near 1.13 kWh/m² to a high of 5.8 kWh/m² in July across the year — September's 3.77 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.0Bright
114.0Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.7Moderate
183.7Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Fribourg?

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

5.2
Sightseeing
3rd-best month of the year
1.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Fribourg for sightseeing.

What to pack for Fribourg in September

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

In September, Fribourg sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Fribourg in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fribourg peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun7Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Fribourg?

Fribourg sits at 46.8°N, 7.2°E, 610 m above sea level, in Switzerland. The nearest listed city is Bulle, 22 km away.

BulleKönizNeuchâtelBernThunSteffisburgBiel/BienneYverdon-les-Bains

Topography around Fribourg

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

Within 3 km, the terrain around Fribourg has only modest variations in elevation — a maximum elevation change of 237 m around an average of 642 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,279 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,826 m.

The land around Fribourg is covered by trees (43%) and artificial surfaces (23%) within 3 km, grassland (36%), trees (34%) and cropland (22%) within 16 km, and trees (44%) and grassland (35%) within 80 km.

3 km
237 m
16 km
1,279 m
80 km
3,826 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
September weather nearby: Bulle 22 km · Köniz 24 km · Neuchâtel 27 km · Bern 28 km · Thun 36 km · Steffisburg 37 km · Biel/Bienne 38 km · Yverdon-les-Bains 39 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

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 Fribourg (46.8024°, 7.1513°, elevation 610 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).