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Rostock weather in September

Weather in Rostock: September

Average day temperature: 65.3°F
Average night temperature: 55.3°F
Sea water temperature: 62.4°F
Number of sunny days: 12 days
Day length: 11.6 - 13.7 hours
Number of rainy days: 3 days
Precipitation totals: 1.7 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 77°F. At the same time the lowest night temperature was 46°F. Daily and nightly averages during September were 65.8°F and 55.4°F.

Sea water temperature in Rostock in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 64.0°F. The highest and lowest sea temperatures during the month were 66.7°F and 59.9°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Rostock in September is 1.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 10.5 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.2.

Best time for vacation in Rostock

Sunniest months:
August 12 days
June 12 days
September 12 days
Warmest months:
August 71.2 °F
July 70.1 °F
June 67.1 °F
Warmest sea temp:
August 66.4 °F
July 65.8 °F
September 62.4 °F
Coldest months:
January 37.8 °F
February 39.4 °F
December 40.4 °F
Rainiest months:
August 5 days
July 5 days
January 4 days
Windiest months:
December 13.7 mph
January 13.6 mph
February 13.3 mph

Rostock on a weather map

Rostock
+34°F
NW 7 mph
Feels like: +28°F
Precip.: 0%
Places in Germany:
Name
°F
+34°F
+37°F
+34°F
+34°F
+39°F
+43°F
+41°F
+34°F
+36°F
+34°F
+34°F
+34°F
+34°F
+36°F
+37°F
24 Hours Forecast
Rostock
Local time: 05:04
December 05, friday
0600
34°F
NW
7 mph
0900
36°F
NW
7 mph
1200
39°F
NW
6 mph
1500
39°F
NW
4 mph
1800
39°F
N
5 mph
2100
37°F
NE
6 mph
December 06, saturday
0000
37°F
N
7 mph
0300
34°F
N
9 mph
Units of measurement: °C / °F