September weather forecastRostock, Germany
September
Weather in September
Transitioning into September, Rostock begins to experience the early signs of autumn. Gradually, fall foliage starts to embellish the city, transforming the landscape into a palette of russet and amber. Despite the city receiving a rainfall of 38mm (1.5"), the onset of autumn infuses the air with a distinct crispness. As September concludes and October emerges, Rostock faces a further dip in temperatures and increased cloud cover.Temperature
The commencement of September in Rostock includes a gentle temperature shift, with the average high-temperature dropping a bit from an agreeable 21.9°C (71.4°F) in August to a comfortable 18.3°C (64.9°F). Throughout September, Rostock encounters an average temperature drop to a fresh 11.6°C (52.9°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Rostock, Germany, the rain falls for 15.5 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, in Rostock, there are 180.9 rainfall days, and 459mm (18.07") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Sea temperature
In Rostock, the average seawater temperature in September is 16.7°C (62.1°F).Note: The enjoyment of swimming decreases for most when the surface water temperature is 16.7°C (62.1°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 06:20 and sunset at 20:02. On the last day of September, in Rostock, sunrise is at 07:12 and sunset at 18:50 CEST.
Sunshine
The average sunshine in September in Rostock, Germany, is 8.2h.UV index
In Rostock, Germany, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rostock, Germany
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Rostock, Germany
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is September (1016.1mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Rostock, Germany
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (21.4km/h).
The calmest month (with the lowest average wind speed) is August (14.7km/h).
Average humidity in September
Rostock, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Rostock, Germany
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Rostock, Germany
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in September
Rostock, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rostock, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Rostock, Germany
- Average sea temperature in September: 16.7°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest months (with the lowest average sea temperature) are January and February (2.8°C).
Average daylight in September /
Average sunshine in September
Rostock, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Rostock, Germany
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in September
Rostock, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Rostock, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Rostock, Germany
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
