Weather in Sliven in september
Climate normals based on 10 years of historical data for Sliven, Bulgarien.
Average high
26°C
Average low
14°C
Rainfall
27 mm
4 rainy days
Sunshine
6.4h/day
Luftfuktighet
55%
How Hot Is Sliven in september?
Sliven starts to ease back from summer's peak — afternoon highs of 26°C and overnight lows of 14°C in September.
Sunshine Hours in september
Sliven sees a healthy 6.4h of sun a day in September, with the sun up between 6:55 am and 7:25 pm.
Does It Rain In Sliven In september?
September brings occasional rain to Sliven — 27mm across 4 days, with most days staying dry.
Is Sliven Humid In september?
September brings comfortable humidity to Sliven — averaging 55%.
Wind In Sliven In september
September brings gentle winds to Sliven — averaging 15 kph.
Cloud Cover In Sliven In september
September sees mixed skies in Sliven: cloud cover averages 41%.
Cities With Similar Weather In september
Weather in Sliven, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 5°C / -1°C | 74mm | Details → |
| Vädret i februari | 9°C / 1°C | 53mm | Details → |
| Vädret i mars | 12°C / 3°C | 61mm | Details → |
| Vädret i april | 17°C / 6°C | 63mm | Details → |
| Vädret i maj | 21°C / 11°C | 59mm | Details → |
| Vädret i juni | 26°C / 15°C | 59mm | Details → |
| Vädret i juli | 30°C / 18°C | 27mm | Details → |
| Vädret i augusti | 31°C / 18°C | 22mm | Details → |
| Vädret i september | 26°C / 14°C | 27mm | |
| Vädret i oktober | 19°C / 9°C | 53mm | Details → |
| Vädret i november | 13°C / 5°C | 82mm | Details → |
| Vädret i december | 8°C / 1°C | 75mm | Details → |