In the 18th century, Italian opera continued to dominate most of Europe (except France), attracting foreign composers such as Handel. Opera seria was the most prestigious form of Italian opera, until Gluck reacted against its artificiality with his reform operas in the 1760s.
1 The average temperature in Amsterdam in August is very mild at 17.5 Â°C (63.5 Â°F). 2  Afternoons can be really warm with average high temperatures reaching 22 Â°C (71.6 Â°F).  Overnight temperatures are generally mild with an average low of 13 Â°C (55.4 Â°F).
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.