September weather forecastIlmenau, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Ilmenau, Germany, with an average temperature ranging between min 8.9°C (48°F) and max 17.4°C (63.3°F).Temperature
September's onset brings a negligible change in high-temperatures, falling from a pleasant 22.3°C (72.1°F) in August to a refreshing 17.4°C (63.3°F). The nights of September anticipate an average low-temperature of 8.9°C (48°F).Humidity
The average relative humidity in September in Ilmenau is 79%.Rainfall
In Ilmenau, Germany, in September, it is raining for 13.7 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 168.1 rainfall days, and 592mm (23.31") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Ilmenau.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:31 and sunset at 20:01. On the last day of September, sunrise is at 07:15 and sunset at 18:56 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September in Ilmenau is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ilmenau, Germany
- Average high temperature in September: 17.4°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Ilmenau, Germany
- Average pressure in September: 1017.9mbar
The months with the highest atmospheric pressure are September and October (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Ilmenau, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Ilmenau, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Ilmenau, Germany
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (72mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Ilmenau, Germany
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Ilmenau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (230mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ilmenau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ilmenau, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Ilmenau, Germany
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is June (7 days).
Average UV index in September
Ilmenau, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Ilmenau, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Ilmenau, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February and December (7km).
