Weather in Sliven in September
Climate normals based on 10 years of historical data for Sliven, Bulgaria.
Average high
26°C
Average low
14°C
Rainfall
27 mm
4 rainy days
Sunshine
6.4h/day
Kelembapan
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 | Hujan | |
|---|---|---|---|
| Cuaca di Bulan Januari | 5°C / -1°C | 74mm | Details → |
| Cuaca di Bulan Februari | 9°C / 1°C | 53mm | Details → |
| Cuaca di Bulan Maret | 12°C / 3°C | 61mm | Details → |
| Cuaca di Bulan April | 17°C / 6°C | 63mm | Details → |
| Cuaca di Bulan Mei | 21°C / 11°C | 59mm | Details → |
| Cuaca di Bulan Juni | 26°C / 15°C | 59mm | Details → |
| Cuaca di Bulan Juli | 30°C / 18°C | 27mm | Details → |
| Cuaca di Bulan Agustus | 31°C / 18°C | 22mm | Details → |
| Cuaca di Bulan September | 26°C / 14°C | 27mm | |
| Cuaca di Bulan Oktober | 19°C / 9°C | 53mm | Details → |
| Cuaca di Bulan November | 13°C / 5°C | 82mm | Details → |
| Cuaca di Bulan Desember | 8°C / 1°C | 75mm | Details → |