Weather Comparison
Side-by-side weather comparison for September
| Metric | Sofia | Belgrade | Better |
|---|---|---|---|
| Average HighHigher is warmer | 22°C (72°F) | 23°C (73°F)▲ | Belgrade |
| Average LowHigher is milder | 12°C (54°F) | 14°C (57°F)▲ | Belgrade |
| Rain DaysFewer is drier | 6 days▲ | 8 days | Sofia |
| PrecipitationLess is drier | 36 mm▲ | 55 mm | Sofia |
| Sunshine HoursMore is sunnier | 10h/day | 10h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 11 km/h▲ | 15 km/h | Sofia |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Sofia edges ahead as the better destination in September. Sofia offers 10 hours of daily sunshine with only 6 rain days, while Belgrade sees 10 sunshine hours and 8 rain days.
Sofia sits in the comfortable travel range at 22°C. Belgrade is also comfortable at 23°C.
For travelers who prioritize dry weather, Sofia is the stronger choice in September.
Sofia reaches an average high of 22°C (72°F) and drops to 12°C (54°F) at night during September. The daily temperature range is 10°C, meaning moderate variation throughout the day.
Belgrade averages 23°C (73°F) for the high and 14°C (57°F) for the low, with a daily range of 9°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Sofia receives approximately 36 mm of rainfall across 6 rain days during September. Rain is occasional, so a light rain jacket should suffice.
Belgrade sees 55 mm over 8 rain days. That makes Sofia the drier option by 2 rain days and 19 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 22°C, lows of 12°C, 6 rain days
Highs of 23°C, lows of 14°C, 8 rain days
Pack for both: light layers, a light jacket for evenings, sunscreen, a packable rain jacket, an umbrella. These items are useful in either destination during September.
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Sofia | Belgrade | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 4°C | 8d | 4°C | 9d |
| Feb | 6°C | 8d | 7°C | 9d |
| Mar | 10°C | 10d | 12°C | 10d |
| Apr | 15°C | 12d | 17°C | 11d |
| May | 20°C | 13d | 22°C | 12d |
| Jun | 24°C | 12d | 26°C | 11d |
| Jul | 26°C | 9d | 28°C | 10d |
| Aug | 27°C | 7d | 28°C | 8d |
| Sep | 22°C | 6d | 23°C | 8d |
| Oct | 17°C | 7d | 18°C | 8d |
| Nov | 11°C | 7d | 11°C | 8d |
| Dec | 5°C | 9d | 5°C | 10d |
Sofia Weather in September
Full forecast, packing tips, and activities
Belgrade Weather in September
Full forecast, packing tips, and activities