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.
September weather in Amsterdam. As mentioned, the weather in Amsterdam tends to be quite mild all summer, and by September itâs usually on the cool side. The highest temperature ever recorded in September is 83Â°F/28Â°C and the daily peak will almost always be fairly close to the 64Â°F/17Â°C? average.
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 11 in June. The wettest month is November with an average of 90mm of rain.