September weather forecastJena, Germany
September
Weather in September
September, the first month of the autumn in Jena, is still a comfortable month, with an average temperature ranging between min 9.8°C (49.6°F) and max 19°C (66.2°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 23.8°C (74.8°F) to an enjoyable 19°C (66.2°F). Throughout September, Jena encounters an average temperature drop to a chilly 9.8°C (49.6°F).Humidity
The average relative humidity in September in Jena, Germany, is 75%.Rainfall
In September, the rain falls for 12.2 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Jena, there are 156.6 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Jena, Germany, is 12h and 38min.On the first day of September in Jena, sunrise is at 06:28 and sunset at 19:58. On the last day of the month, sunrise is at 07:13 and sunset at 18:53 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Jena, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jena, Germany
- Average high temperature in September: 19°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Jena, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Jena, Germany
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Jena, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Jena, Germany
- Average rainfall in September: 33mm
The wettest months (with the highest rainfall) are May and August (52mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Jena, Germany
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Jena, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jena, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jena, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Jena, Germany
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Jena, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Jena, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Jena, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and November (9km).
The months with the lowest visibility are January, February, October and December (8km).
