Climate averages 1991–2020
Zonguldak weather
in September.
A warm, moderately wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Zonguldak: daytime highs average 23.8°C and nights cool to about 17.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 82 mm of rain on roughly 8 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average September day.
The nearest other city in this atlas is Ereğli (Zonguldak Province), Turkey (36 km away). In September its highs average 22.8°C, 1.0°C cooler than Zonguldak, with 79 mm of rain.
Among the 138 cities listed in Turkey, Zonguldak ranks joint 110th of 138 for the warmest September highs and 134th of 138 for the driest September (rainfall, lowest first). The mean September high of those 138 cities is 27.1°C; Zonguldak is 3.3°C cooler than that mean.
From September to October, average highs fall by 4.0°C to 19.7°C, and monthly rainfall rises from 82 mm to 101 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
Zonguldak climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.7°C2.6°C | 2.6°C | 97 | 13.9 | 9.510 h |
| February | 9.3°C2.7°C | 2.7°C | 77 | 12.7 | 10.611 h |
| March | 11.8°C4.8°C | 4.8°C | 77 | 12.2 | 11.912 h |
| April | 15.7°C8.2°C | 8.2°C | 47 | 8.8 | 13.313 h |
| May | 20.0°C12.8°C | 12.8°C | 43 | 6.7 | 14.514 h |
| June | 23.9°C17.0°C | 17.0°C | 50 | 6.6 | 15.115 h |
| July | 26.4°C19.5°C | 19.5°C | 42 | 5.5 | 14.915 h |
| August | 27.0°C20.2°C | 20.2°C | 50 | 5.8 | 13.814 h |
| September, selected | 23.8°C17.0°C | 17.0°C | 82 | 8.1 | 12.513 h |
| October | 19.7°C13.3°C | 13.3°C | 101 | 10.1 | 11.111 h |
| November | 15.1°C8.4°C | 8.4°C | 90 | 10.5 | 9.910 h |
| December | 10.7°C4.7°C | 4.7°C | 107 | 13.8 | 9.29 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
- Ereğli (Zonguldak Province), Turkey in SeptemberTurkey · 36 kmHigh 22.8°C · Low 17.5°C · 79 mm rain
- Bartın in SeptemberTurkey · 50 kmHigh 23.8°C · Low 16.0°C · 77 mm rain
- Karabük in SeptemberTurkey · 75 kmHigh 25.4°C · Low 14.1°C · 47 mm rain
- Bolu in SeptemberTurkey · 81 kmHigh 23.1°C · Low 12.4°C · 66 mm rain
- Düzce in SeptemberTurkey · 86 kmHigh 24.0°C · Low 14.2°C · 73 mm rain
- Adapazarı in SeptemberTurkey · 138 kmHigh 24.4°C · Low 14.8°C · 56 mm rain
- Kastamonu in SeptemberTurkey · 165 kmHigh 23.5°C · Low 11.9°C · 33 mm rain
- İzmit in SeptemberTurkey · 174 kmHigh 25.0°C · Low 16.5°C · 61 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 Zonguldak) is explained once on the Zonguldak year overview and on the Sources, method and limits page.