Most save the date cards will not require more than a typical forever stamp (first class) when you are mailing with the US postal service, because they are usually fairly small (5x3.5 inches, 5.5x4.25 inches) and will weigh under an ounce.
Day by Day weather log for Barcelona Weather in September. September 30. Daily Comment: Temperature 25Â° C around 77 F Warm and sunny light cloud at times but generally clear skies. Day 29. Daily Comment: Temperature 25Â° C around 77 F warm and sunny. A little light cloud at times from 15:00 onwards.
Averages for Athens in September. Weather lowdown. While the month of September in Athens is still quite warm, the summer heat starts to cool off as the fall season approaches. The average temperature this month is 24Â°C (75Â°F), while the average low drops to 19Â°C (66Â°F), and the average high is still a warm 28Â°C (82Â°F).