City break

Jena weather in September

Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

75

Holiday weather in September

Good

Best time to visit: May – September

What is the weather like in Jena in September?

In September, Jena is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 57 mm in total. All in all, September is a good month for a holiday in Jena.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score797550
Day24°20°14°
Night15°11°7°
Sun7 h5 h4 h
Rain days111011

More details for September

Daylight
12 h 44 min06:47 – 19:31
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
15 km/haverage daily peakAll months
Cloud cover
62 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2Europe/Berlin

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %38 %
  • Few rainy daysweight 30 %59 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in September

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Jena in September: quick answers

Is Jena hot in September?

No. In September, Jena is mild: daytime highs average 20 °C and nights drop to about 11 °C.

Does it rain much in Jena in September?

Rain is frequent, with about 10 rainy days and 57 mm in total.

Jena month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences