Serbia Belgrade Weather in September — Climate Guide
September in Belgrade is very-high
September is very-high for Belgrade.
September is one of the best months to visit — warm, comfortable days averaging 25°C/14°C, with the summer heat easing and the river scene still going. The light turns golden and the crowds begin to thin.
Days are ideal for the fortress, the old center, the Temple of Saint Sava, Zemun, and day trips to Novi Sad or Fruška Gora, with reliably pleasant weather and lower UV than midsummer.
Travel score
Belgrade September Weather Stats
Avg High
25°C
Avg Low
14°C
Rainy Days
10
50mm total
Sunshine
7.5h
Daily avg
Humidity
65%
comfortable
UV Index
6
High
Wind
10 km/h
Gusts 22
Crowds
Busy
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
19 μg/m³
PM10
34 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
25°C
Nighttime
14°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 22 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Warm, comfortable weather
- Easing crowds and prices
- Splavovi still open early in the month
- Great for day trips
Cons
- Cooler evenings
- Splavovi terraces winding down by late month
- Occasional rain
September Events & Festivals
- Late splavovi season — terraces still open early in the month
- Peak shoulder season — warm but easing crowds
- Riverside dining still in swing
Belgrade in September — Full Picture
September is one of the best months to visit — warm, comfortable days averaging 25°C/14°C, with the summer heat easing and the river scene still going. The light turns golden and the crowds begin to thin.
Days are ideal for the fortress, the old center, the Temple of Saint Sava, Zemun, and day trips to Novi Sad or Fruška Gora, with reliably pleasant weather and lower UV than midsummer.
The splavovi terraces are still open early in the month and the riverside dining at Beton Hala remains lively, though the scene gradually moves indoors as autumn sets in toward late September. Evenings cool, so pack a light jacket.
Prices ease from the summer peak and crowds soften — September offers much of the summer energy with better value and gentler weather. A strong all-round choice.
What to Wear & What to Pack
Warm, pleasant early autumn — around 25°C/14°C. Light clothing by day, a light jacket for cooler evenings. One of the best months — comfortable and lively.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
17.7°C
8°C
12.7/mo
Summer (Jun·Jul·Aug)
28.7°C
17.3°C
10/mo
Autumn (Sep·Oct·Nov)
Current18°C
9°C
10.7/mo
Winter (Dec·Jan·Feb)
5.3°C
-1°C
12.7/mo
Belgrade Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 4° | -2° | 13d·45mm | 2.5h | 80% | 1 | Quiet | Low season | |
| 7° | -1° | 12d·40mm | 3.5h | 75% | 2 | Quiet | Low season | |
| 12° | 3° | 12d·45mm | 4.5h | 70% | 3 | Moderate | Low season | |
| 18° | 8° | 13d·55mm | 6h | 65% | 5 | Moderate | Shoulder | |
| May (Best) | 23° | 13° | 13d·60mm | 7.5h | 65% | 6 | Busy | Shoulder |
| June (Best) | 26° | 16° | 13d·80mm | 8.5h | 65% | 8 | Busy | Peak |
| 30° | 18° | 9d·65mm | 10h | 60% | 9 | Very busy | Peak | |
| 30° | 18° | 8d·55mm | 9.5h | 60% | 9 | Very busy | Peak | |
| September (Best) | 25° | 14° | 10d·50mm | 7.5h | 65% | 6 | Busy | Shoulder |
| 18° | 9° | 10d·50mm | 5.5h | 70% | 4 | Moderate | Shoulder | |
| 11° | 4° | 12d·50mm | 3h | 80% | 2 | Quiet | Low season | |
| 5° | 0° | 13d·50mm | 2h | 80% | 1 | Moderate | Shoulder |
View Other Months
Belgrade September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Belgrade?
Belgrade in September is very-high. Tourist crowds are busy and flight/hotel prices are shoulder.
What's the average temperature in Belgrade in September?
Belgrade September averages a high of 25°C and a low of 14°C.
Does it rain much in Belgrade in September?
Belgrade September averages 50mm of rainfall over about 10 rainy days.
What should I wear in Belgrade in September?
Warm, pleasant early autumn — around 25°C/14°C. Light clothing by day, a light jacket for cooler evenings. One of the best months — comfortable and lively.
What time are sunrise and sunset in Belgrade in September?
Belgrade September sunrise is 06:10 and sunset is 18:50, with 12h 40min of daylight.
What's the air quality like in Belgrade in September?
Belgrade September air quality (AQI) averages 46, rated Good. PM2.5 averages 19μg/m³.
What activities are recommended in Belgrade in September?
In September, Belgrade is great for Kalemegdan at golden hour, Splavovi (early month) & riverside dining, Novi Sad & Fruška Gora day trips.
Is September peak season in Belgrade?
Belgrade September crowds are busy and prices are shoulder. Advance reservations are strongly recommended.
Best Months to Visit Belgrade
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.