Rotterdam in september: average Weather, Temperature and Climate
Weather in Rotterdam in september 2025
The weather in Rotterdam in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
61°F
Clear/Sunny
27% of time
25%
23%
20%
Weather at 12pm
65°F
Clear/Sunny
34% of time
25%
20%
19%
Weather at 6pm
63°F
Clear/Sunny
34% of time
31%
17%
14%
Weather at 3am
61°F
31%
25%
25%
16%
Evolution of daily average temperature and precipitation in Rotterdam in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Rotterdam in september.
The climate of Rotterdam in september is good
The climate in september in Rotterdam is wet (with 3.7in of precipitation over 7 days). It should be noted an improvement from the previous month since in august it receives an average of 5in of precipitation over 9 days.
The climate is fairly cold here the month of september, but it is endurable by dressing hot. The high seasonal norm is 67°F. The minimum is 61°F. Thus, the mean temperature average in september in Rotterdam is 63°F. Note that these seasonal averages are in contrast with those observed in Rotterdam in september with a maximum record of 83°F in 2016 and a minimum record of 49°F in 2013. You can hope to have about 16 days with temperatures over 65°F, or 53% of time.
On average, in Rotterdam, the days of september last 12:40. The sun rises at 06:18 and sunset is at 18:58.
With a good weather, the month of september is a good time to go in this locality.
Seasonal average climate and temperature of Rotterdam in september
Check below seasonal norms These statistics are generated from the weather statements of the last years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 83°F (2016) | ||||
| Lowest record temperature | 49°F (2013) | ||||
| Number of days at +65°F | 16 day(s) (53%) | ||||
| Sea temperature | |||||
| Average sea temperature | 65°F | ||||
| Lowest sea temperature | 63°F | ||||
| Highest sea temperature | 68°F | ||||
| Wind | |||||
| Wind speed | 25km/h | ||||
| Wind temperature | 59°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.7in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 1.4in (2013) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.56km | ||||
| Cloud cover | 43% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:18 | ||||
| Time of sunset | 18:58 | ||||
| Length of day | 12:40 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Rotterdam in september 2024:
63°F to 77°F
68°F to 72°F
65°F to 68°F
65°F to 67°F
63°F to 77°F
68°F to 74°F
63°F to 74°F
65°F to 70°F
61°F to 67°F
61°F to 63°F
58°F to 59°F
54°F to 58°F
58°F to 59°F
58°F to 61°F
61°F to 65°F
61°F to 63°F
61°F to 67°F
61°F to 72°F
63°F to 72°F
59°F to 70°F
61°F to 72°F
63°F to 68°F
61°F to 65°F
58°F to 61°F
58°F to 61°F
61°F to 63°F
56°F to 59°F
56°F to 56°F
54°F to 58°F
52°F to 61°F
Map: other cities in the Netherlands in september
Cities near Rotterdam:
| Delft in september | good weather |
| Den Haag in september | good weather |
| Katwijk aan Zee in september | good weather |
| Gouda in september | good weather |
| Dordrecht in september | good weather |
| Keukenhof (Stationsweg) in september | good weather |
| Zandvoort in september | good weather |
| Bergen op Zoom in september | good weather |
| Goes in september | good weather |
| Zeeland in september | good weather |
| Breda in september | good weather |
| Utrecht in september | good weather |
Click over cities on the map for information about the weather in september.
Rotterdam
perfect weather
good
tolerable
bad
very bad
Weather data for Rotterdam in september:
Weather data for Rotterdam for september are derived from an average of the weather forecast since 2009 in Rotterdam. There is a margin of error and these forecasts are to be considered as general information only. The weather in Rotterdam can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Rotterdam.