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 weather averages. Check out the Amsterdam weather averages before you book your next holiday to the Netherlands. The warmest months in Amsterdam are July and August with an average maximum temperature of 21Â°C. The sunniest months are May and June with on average 7 hours of bright sunshine per day. The months with the least number of days with some rain are February and April with 13 days.