Measurements:
°C
°F
Rotterdam
66°F
SE 2 mph
Feels like: 66°F
Precip: 0%
World Resorts Netherlands Rotterdam Weather September Weather in Rotterdam

Rotterdam Weather: September

Average Day Temperature: 68.3°F
Average Night Temperature: 58.2°F
Sea Water Temperature: 66.4°F
Number of Sunny Days: 10 days
Sunshine Hours: 11.7 - 13.6 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.8 in

Air Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 87°F. The lowest night temperature was 46°F. The average values for day and night temperatures during September were 68.9°F и 57.5°F respectivly.

Rotterdam Water Sea Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
59
62
65
68
71
74
77
80

The average sea surface temperature in September 2024 for Rotterdam was 67.6°F. The maximum and minimum values were 63.0°F and 70.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
33%
33%
33%

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.4
0.7
1.1
1.5
1.9
2.2
2.6

Precipitation total in September for Rotterdam is 1.8 in.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.2
4.5
6.7
8.9
11.1
13.4
15.6

The average wind speed in September is 9.0 mph. It makes September the most windless month of the year for Rotterdam.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.6
3.3
4.9
6.5
8.2
9.8
11.4

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rotterdam in September is 6.9 hours.

Best Time to Visit Rotterdam
The most sunny months:
June 12 days
August 12 days
April 11 days
The most warm months:
August 73.8 °F
July 73.1 °F
June 70.2 °F
Warmest sea temperature:
August 68.9 °F
July 66.8 °F
September 66.4 °F
The most cold months:
January 42.2 °F
February 43.8 °F
December 45.3 °F
The most rainy months:
August 4 days
December 4 days
May 4 days
The most windy months:
December 12 mph
February 12 mph
January 12 mph

Rotterdam on the Weather Map

Netherlands Resorts:
NAME
Amsterdam +62
Aruba +84
Breda +70
Eindhoven +70
Groningen +62
Hague +64
Maastricht +66
Rotterdam +66
Utrecht +64
24 Hours Weather Forecast
Rotterdam
Local time: 22:27
02 may, friday
0000 66°F
NE
4 mph
0300 64°F
NE
4 mph
0600 62°F
NE
4 mph
0900 70°F
E
6 mph
1200 76°F
E
9 mph
1500 74°F
E
9 mph
1800 66°F
SE
9 mph
2100 58°F
S
6 mph