Weather in Rotterdam in September
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
Climate Overview
September is an excellent time to visit Rotterdam. Rotterdam has a Moderate climate with average yearly highs of 20°C, lows of 12°C, and approximately 10 rainy days per month.
20°C
12°C
10days
12.7h
Is September a good time to visit Rotterdam?
The weather is near-perfect with ideal temperatures and minimal rain.
Daylight
7:17 AM
8:00 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 8°C | 4°C | 11 | Good |
| February | 9°C | 5°C | 18 | Wet |
| March | 10°C | 3°C | 10 | Good |
| April | 16°C | 6°C | 4 | Good |
| May | 18°C | 8°C | 4 | Excellent (best) |
| June | 21°C | 13°C | 15 | Excellent (best) |
| July | 20°C | 13°C | 16 | Excellent (best) |
| August | 25°C | 16°C | 17 | Excellent (best) |
| September | 20°C | 12°C | 10 | Excellent (best) |
| October | 14°C | 9°C | 21 | Wet |
| November | 12°C | 6°C | 12 | Good |
| December | 8°C | 3°C | 15 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for September
Layers, a light jacket, comfortable walking shoes, and an umbrella.
Planning a trip to Rotterdam?
Common Questions
Is September a good time to visit Rotterdam? +
September is typically Excellent for visiting Rotterdam, with average highs of 20°C and around 10 rainy days.
What should I pack for Rotterdam in September? +
With highs of 20°C and lows of 12°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.
Does it rain a lot in Rotterdam in September? +
Rotterdam typically sees around 10 rainy days in September.
How many hours of daylight are there in Rotterdam in September? +
In September, Rotterdam gets approximately 12.7 hours of daylight per day.
Is September peak season in Rotterdam? +
Yes, September is peak season in Rotterdam. Expect higher prices and more crowds, but also the best weather.
What is the best month to visit Rotterdam? +
The best months to visit Rotterdam are May, June, July, August, September, when the weather is optimal for sightseeing.
More Rotterdam Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Rotterdam: top things to do, itineraries, and typical costs.