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.
During this time, the weather is warm but not excessively hot. The summer is the best time to enjoy the canals of Amsterdam or a long walk in the park. During July, the average temperature is 17.9 degrees Celsius, or 64.2 degrees Fahrenheit.