Bled weather in September

In September, Bled sees average daytime highs of 18°C and overnight lows near 10°C, with 166 mm of precipitation across 13.2 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 26% 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 Bled's 4th-clearest and 10th-windiest month. For the whole year in context, see Bled's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Precipitation
166 mm
13.2 wet days
Daylight
12 h 18 min
5:48 AM – 6:08 PM
Cloud cover
61%
4th clearest
Wind
6 km/h
10th windiest
Solar energy
3.56 kWh/m²
Travel score
5.2
out of 10

Bled is place in Upper Carniola, Slovenia.

Density
27/km²
people per km²

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 20°C in the first days to 16°C by the end.

A typical September day in Bled reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12012
22011
32011
42011
52011
61911
71911
81911
91910
101910
111910
121810
131810
141810
15189
16189
17189
18179
19179
20179
21179
22179
23178
24178
25168
26168
27168
28168
29168
30168

How September really feels in Bled

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.

Bled weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°808.56.58.80.0
Feb / -4°908.97100.0
Mar / -1°9910.45.111.61.3
Apr13° / 12314.62.113.33.1
May17° / 14216.70.114.74.7
Jun21° / 12°16016.6015.55.5
Jul23° / 14°15316.9015.25.9
Aug22° / 13°15615.30146.0
Sep18° / 10°16613.20.112.45.2
Oct13° / 146110.810.73.5
Nov / 16711.93.29.20.9
Dec / -4°1099.368.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24951
34951
44951
54951
64951
74951
84951
94951
104951
114951
124753
134753
144753
154753
164654
174654
184456
194555
204456
214456
224456
234258
244258
254258
264258
274159
284060
294060
303961

Chance of precipitation in September

Any precipitation

Bled gets around 166 mm of rain and snow over 13.2 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 45% and peaks near 50% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
250
350
449
549
648
748
848
947
1047
1147
1246
1346
1445
1545
1644
1744
1844
1943
2043
2142
2242
2341
2440
2540
2640
2740
2840
2940
3040

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
151409
253398
355387
457376
559365
660355
762344
863334
965323
1066313
1168302
1270282
1371272
1472262
1575241
1676231
1778211
1879201
1981181
2082171
2184151
2286140
2387130
2488120
2590100
269190
279190
289280
299280
309370

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 5:28 AM to 6:07 AM, and sunset from 6:38 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:286:38
213.15:306:36
313.05:316:34
413.05:326:32
512.95:346:30
612.95:356:28
712.85:366:26
812.85:386:24
912.75:396:22
1012.75:406:20
1112.65:426:18
1212.55:436:16
1312.55:446:14
1412.45:456:12
1512.45:476:10
1612.35:486:08
1712.35:496:06
1812.25:516:03
1912.25:526:01
2012.15:535:59
2112.05:555:57
2212.05:565:55
2311.95:575:53
2411.95:595:51
2511.86:005:49
2611.86:015:47
2711.76:035:45
2811.66:045:43
2911.66:055:41
3011.56:075:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.56 kWh/m².

For context, solar energy here swings from a low near 1.1 kWh/m² to a high of 5.87 kWh/m² in June across the year — September's 3.56 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.0Bright
64.0Bright
74.0Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.7Moderate
133.7Moderate
143.6Moderate
153.6Moderate
163.5Moderate
173.5Moderate
183.4Moderate
193.4Moderate
203.3Moderate
213.3Moderate
223.2Moderate
233.2Moderate
243.1Moderate
253.1Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Bled?

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

5.2
Sightseeing
4th-best month of the year
1.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Bled for sightseeing.

What to pack for Bled in September

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

In September, Bled sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Bled 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 Bled peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 16UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar5Moderate
Apr7High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2316 µg/m³Nov 910 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun15Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct11Good
Nov10Good
Dec12Moderate
Location & terrain

Where is Bled?

Bled sits at 46.4°N, 14.1°E, 0 m above sea level, in Slovenia. The nearest listed city is Bohinj, 16 km away.

BohinjKranjSankt MartinKlagenfurtVillachSankt PeterLjubljanaNova Gorica

Topography around Bled

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

Within 3 km, the terrain around Bled has significant variations in elevation — a maximum elevation change of 411 m around an average of 503 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,831 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,759 m.

The land around Bled is covered by trees (39%) and grassland (37%) within 3 km, trees (80%) within 16 km, and trees (74%) within 80 km.

3 km
411 m
16 km
1,831 m
80 km
2,759 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Bohinj 16 km · Kranj 23 km · Sankt Martin 30 km · Klagenfurt 32 km · Villach 33 km · Sankt Peter 34 km · Ljubljana 46 km · Nova Gorica 58 km

Slovenia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 63% of US
price level, 2025
GDP per capita
$37,376
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
Religion
Catholic 69%atheist 14%Orthodox 4%non-believer/agnostic 4%

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 Bled (46.3686°, 14.1165°, elevation 0 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).