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: Annual Weather Averages. August is the hottest month in Amsterdam with an average temperature of 17Â°C (63Â°F) and the coldest is January at 3Â°C (37Â°F) with the most daily sunshine hours at 7 in June. The wettest month is November with an average of 90mm of rain. The best month to swim in the sea is in August when the average sea temperature is 18 Â°C (65 Â°F). Average Temperature: Amsterdam