Climate averages 1991–2020
Stara Zagora weather
in September.
A warm, moderately wet month: the 4th warmest and the joint 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Stara Zagora: daytime highs average 24.3°C and nights cool to about 14.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 47 mm of rain on roughly 7 days, which makes September a moderately wet month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 32 min on an average September day.
The nearest other city in this atlas is Sliven (63 km away). In September its highs average 23.4°C, 0.9°C cooler than Stara Zagora, with 58 mm of rain.
Among the 10 cities listed in Bulgaria, Stara Zagora ranks joint 1st of 10 for the warmest September highs and joint 4th of 10 for the driest September (rainfall, lowest first). The mean September high of those 10 cities is 23.2°C; Stara Zagora is 1.2°C warmer than that mean.
From September to October, average highs fall by 6.0°C to 18.3°C, and monthly rainfall rises from 47 mm to 57 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Stara Zagora climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.6°C-2.5°C | -2.5°C | 49 | 7.8 | 9.59 h |
| February | 8.0°C-1.1°C | -1.1°C | 47 | 7.4 | 10.511 h |
| March | 12.0°C2.0°C | 2.0°C | 60 | 9.4 | 11.912 h |
| April | 17.1°C6.3°C | 6.3°C | 60 | 11.0 | 13.313 h |
| May | 22.0°C11.3°C | 11.3°C | 81 | 13.4 | 14.615 h |
| June | 26.1°C15.6°C | 15.6°C | 68 | 12.5 | 15.215 h |
| July | 28.7°C17.8°C | 17.8°C | 59 | 9.4 | 15.015 h |
| August | 29.2°C17.9°C | 17.9°C | 41 | 6.7 | 13.914 h |
| September, selected | 24.3°C14.0°C | 14.0°C | 47 | 6.9 | 12.513 h |
| October | 18.3°C9.1°C | 9.1°C | 57 | 7.0 | 11.111 h |
| November | 12.1°C4.0°C | 4.0°C | 54 | 7.0 | 9.810 h |
| December | 6.7°C-0.7°C | -0.7°C | 60 | 8.4 | 9.19 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Sliven in SeptemberBulgaria · 63 kmHigh 23.4°C · Low 14.1°C · 58 mm rain
- Plovdiv in SeptemberBulgaria · 80 kmHigh 23.9°C · Low 13.8°C · 42 mm rain
- Edirne in SeptemberTurkey · 113 kmHigh 26.6°C · Low 15.0°C · 27 mm rain
- Pleven in SeptemberBulgaria · 138 kmHigh 24.3°C · Low 14.4°C · 47 mm rain
- Shumen in SeptemberBulgaria · 140 kmHigh 22.5°C · Low 12.9°C · 50 mm rain
- Burgas in SeptemberBulgaria · 150 kmHigh 23.5°C · Low 15.2°C · 50 mm rain
- Ruse in SeptemberBulgaria · 160 kmHigh 24.1°C · Low 14.5°C · 55 mm rain
- Lüleburgaz in SeptemberTurkey · 182 kmHigh 25.9°C · Low 15.5°C · 30 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Stara Zagora) is explained once on the Stara Zagora year overview and on the Sources, method and limits page.