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.
Key weather averages for Spain in May. 1  22. 22Â°C max day temperature. 2  9. 9 hours of sunshine per day. 3  11. 11 days with some rainfall. 4  9. 9Â°C min night temperature. 5  14. 14 hours of daylight per day. 6  0. No heat & humidity. 7  42. 42 mm of monthly rainfall. 8  8. 8 (Very High) UV index.