Your September weather guide
MildWeather in Bled in September
Bled in September suits a mild-weather break, not a holiday built around heat or reliable sunshine. Daytime highs average 20°C, nights fall to around 12°C, and about 13 days have rain. For a UK traveller, the appeal is comfortable weather for being outdoors when it stays dry; the catch is needing waterproofs and flexible plans. Go if you enjoy cooler conditions, but keep expectations of warm, sunny days in check.
Long-term climate averages for Bled, not a forecast · 1991-2020
Bled, month by month
Your snapshot
At a glance
The useful details for Bled.
- Average daytime high
- 19.5°C
- 9 in 10 days stay below 24°C
- Average night-time low
- 11.7°C
- coldest 10% of nights: 8°C or lower
- Compared with London
- +0.9°C
- London averages 18.6°C in September
- Sunshine per day (est.)
- 4.4h
- 36% of 12.3 h of daylight
- Rainy days (1 mm+)
- 13
- 165 mm over the month
- Humidity
- 82%
- Days over 25°C
- 5%
- none over 30°C
- Record high 1991-2020
- 27.5°C
- 2011-09-04
- Record low 1991-2020
- 2.7°C
- 2018-09-26
- Flight from London
- ≈ 2 h 12 min
- 1173 km, short-haul (estimate for a direct flight)
Records are observed extremes within 1991-2020, not typical holiday conditions. Warm-day percentages are shares of days, not day counts.
How September compares
September is the 4th warmest month of the year in Bled and ranks 131st of 134 destinations we compare for September - see where else is hot in September. Against London's average high of 18.6°C in September, Bled is 0.9°C warmer by day and 0.5°C warmer at night.
Daytime and night-time in September
The typical September day in Bled peaks at 19.5°C, but that is an average: the warmest 10% of days reach 23.8°C or more. Roughly 1 in 20 days top 25°C. Nights average 11.7°C; one night in ten drops to 7.7°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest September day here reached 27.5°C (2011-09-04) and the coldest night 2.7°C (2018-09-26).
Rain in September
Wet (more than 8 rainy days): about 13 days with 1 mm or more, 165 mm in total. Year to year it varies a lot - the wettest September was 2017 with 352 mm, the driest 2008 with 54 mm. Humidity averages 82%.
Sunshine and daylight
Around 4.4 hours of sunshine a day (estimated from cloud cover), 12.3 hours of daylight: the sun rises about 06:42 and sets about 19:16 local time in mid-September. Average cloud cover is 64%.
Is September a good time to visit Bled?
September is not the strongest month here: mild days and frequent rain. The best months for Bled on our scoring are July, August, June.
Mild days, with layers needed after dark
September is comfortable for walking without much heat, but it is not reliably warm enough for light summer clothing throughout the day. Pack layers you can remove when the sun comes out, plus a jumper or jacket for evenings. The warmer days reach 24°C or more, so sitting outside can feel pleasantly warm, but days reaching 25°C account for just 5% of the month. At the cooler end, nights can fall to 8°C or below. That makes a warmer outer layer useful if you plan to stay out after dark. Choose September for mild daytime conditions rather than dependable summer warmth.
Rain is the main compromise
Rain deserves more attention than heat when planning this trip. With about 13 rainy days, it makes sense to bring a waterproof jacket and shoes that cope with wet conditions, rather than relying on a light shower passing quickly. Average sunshine is about 4.4 hours within 12.3 hours of daylight: there is time for outdoor plans, but daylight should not be confused with sunshine. Keep weather-dependent activities flexible and use dry spells when they arrive. The monthly figures do not mean every wet day is a washout, but September is a poor fit if your enjoyment depends on staying outdoors in dry weather throughout the trip.
A little perspective
Bled through the year
September is highlighted. See how it compares with the rest of the year.
| Month | Day | Night | Sun/day | Rain mm | Rainy days | Days 25°C+ |
|---|---|---|---|---|---|---|
| January | 4.0°C | -2.6°C | 3.0 | 76 | 8 | 0% |
| February | 5.5°C | -2.0°C | 3.8 | 88 | 9 | 0% |
| March | 9.6°C | 1.2°C | 4.2 | 99 | 11 | 0% |
| April | 14.3°C | 5.2°C | 4.7 | 119 | 15 | 0% |
| May | 18.8°C | 9.7°C | 5.2 | 138 | 16 | 4% |
| Junebest | 22.5°C | 13.5°C | 6.1 | 153 | 16 | 28% |
| Julybest | 24.5°C | 15.5°C | 6.9 | 143 | 17 | 47% |
| Augustbest | 24.4°C | 15.8°C | 6.2 | 147 | 14 | 42% |
| SeptemberSelected | 19.5°C | 11.7°C | 4.4 | 165 | 13 | 5% |
| October | 14.8°C | 7.9°C | 3.2 | 161 | 12 | 0% |
| November | 9.4°C | 3.6°C | 2.4 | 167 | 12 | 0% |
| December | 4.6°C | -1.8°C | 2.8 | 112 | 9 | 0% |
Day = average daytime high, night = average night-time low, 1991-2020.Sun is hours per day; rainy days count 1 mm or more.
Day, night and sea
Monthly average temperatures, 1991-2020
- Day
- Night
Best months here
On warmth, low rainfall and sunshine, start with these.
Keep exploring
Similar in September
Closest matches on daytime temperature, sea temperature and sunshine, in other countries.
A little more detail
Bled in September FAQs
Plain answers, grounded in the averages.
Is Bled hot in September?
Bled is mild in September: the average daytime high is 19.5°C and nights average 11.7°C. Roughly 1 in 20 September days reach 25°C.
How much does it rain in Bled in September?
Bled sees about 13 rainy days (1 mm or more) and 165 mm of rain in a typical September. The wettest September between 1991 and 2020 was 2017 (352 mm) and the driest was 2008 (54 mm).
How sunny is Bled in September?
Bled gets around 4.4 hours of sunshine a day in September out of 12.3 hours of daylight (estimated from average cloud cover).
How does Bled compare with the UK in September?
Bled is on average 0.9°C warmer than London by day in September (19.5°C against 18.6°C).
What is the hottest September on record in Bled?
Between 1991 and 2020 the hottest September day in Bled reached 27.5°C on 2011-09-04, and the coldest night dropped to 2.7°C on 2018-09-26.
Is Bled warmer than London in September?
Only slightly. Bled's average daytime high is 19.5°C, compared with 18.6°C in London, a difference of 0.9°C. That is not a substantial step up in warmth, so do not choose it expecting a markedly hotter September holiday.
Would summer be a better time to go?
July, August and June are the better-rated months overall. September still suits travellers who prefer mild days and can adjust plans around rain. If warmth is central to your holiday, those summer months are the stronger starting point.
About these averages
ERA5-Land climate reanalysis via Open-Meteo (11 km grid), 1991-2020
Averages computed from daily values at Bled. Sunshine hours are estimated from average cloud cover.Records are the highest and lowest daily values in that 30-year period, not all-time records. These are climate averages, not a forecast for your trip. How we measure holiday weather
- Hot · 25°C+
- Warm · 20°C to below 25°C
- Mild · 15°C to below 20°C
- Cool · below 15°C