Climate averages 1991–2020
Osijek weather
in September.
A warm, moderately wet month: the 4th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Osijek: daytime highs average 22.7°C and nights cool to about 13.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 59 mm of rain on roughly 8 days, which makes September a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 35 min on an average September day.
The nearest other city in this atlas is Pécs (69 km away). In September its highs average 21.8°C, 0.9°C cooler than Osijek, with 64 mm of rain.
Among the 4 cities listed in Croatia, Osijek ranks 2nd of 4 for the warmest September highs and 1st of 4 for the driest September (rainfall, lowest first). The mean September high of those 4 cities is 22.7°C; Osijek is 0.1°C cooler than that mean.
From September to October, average highs fall by 5.3°C to 17.3°C, and monthly rainfall falls from 59 mm to 54 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
Osijek climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.5°C-2.2°C | -2.2°C | 42 | 8.0 | 9.19 h |
| February | 7.0°C-1.5°C | -1.5°C | 46 | 8.6 | 10.310 h |
| March | 12.0°C2.2°C | 2.2°C | 49 | 9.4 | 11.912 h |
| April | 17.5°C7.0°C | 7.0°C | 55 | 10.0 | 13.513 h |
| May | 22.1°C12.0°C | 12.0°C | 69 | 11.4 | 14.915 h |
| June | 25.9°C16.0°C | 16.0°C | 75 | 10.8 | 15.616 h |
| July | 28.0°C18.0°C | 18.0°C | 63 | 9.5 | 15.315 h |
| August | 28.1°C18.0°C | 18.0°C | 56 | 8.3 | 14.114 h |
| September, selected | 22.7°C13.4°C | 13.4°C | 59 | 8.1 | 12.613 h |
| October | 17.3°C8.7°C | 8.7°C | 54 | 8.1 | 11.011 h |
| November | 11.0°C4.0°C | 4.0°C | 53 | 8.7 | 9.610 h |
| December | 5.1°C-0.8°C | -0.8°C | 54 | 9.1 | 8.89 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
- Pécs in SeptemberHungary · 69 kmHigh 21.8°C · Low 13.1°C · 64 mm rain
- Novi Sad in SeptemberSerbia · 95 kmHigh 23.4°C · Low 13.8°C · 54 mm rain
- Subotica in SeptemberSerbia · 97 kmHigh 22.6°C · Low 12.9°C · 56 mm rain
- Tuzla in SeptemberBosnia and Herzegovina · 113 kmHigh 22.1°C · Low 12.3°C · 86 mm rain
- Zrenjanin in SeptemberSerbia · 133 kmHigh 23.3°C · Low 13.8°C · 52 mm rain
- Szeged in SeptemberHungary · 137 kmHigh 22.6°C · Low 13.2°C · 53 mm rain
- Banja Luka in SeptemberBosnia and Herzegovina · 145 kmHigh 22.2°C · Low 12.0°C · 95 mm rain
- Novi Beograd in SeptemberSerbia · 159 kmHigh 23.7°C · Low 14.4°C · 53 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 Osijek) is explained once on the Osijek year overview and on the Sources, method and limits page.