People are likely to look at your invitation and make a quick first impression -- you want that first impression to be informative and fun. 1  If your party doesn't have a theme, have the invitation mirror the formality of the party.
Averages for Amsterdam in September. It is during the month of September that the weather begins to change in Amsterdam. First, September is typically one of the wettest month of the year due to the westerly winds becoming prominent. However, not all Septembers fall into this pattern as some are relatively dry, if the winds come from the European continent.
Amsterdam: Weather Forecast. The warmest day over the next 7 days in Amsterdam is forecast to be 21st April at 13Â°C (55Â°F) and the warmest night on 21st April at 6Â°C (43Â°F). The average temperature over the next 7 days is forecast to be 12Â°C (54Â°F) and there will be 2 days of sunshine . The average for April is 8Â°C (47Â°F) in Amsterdam.