More often than not you can expect weather in Valetta in September is 22. With the average high being 28 and low being around 20 degrees celsius. We have put some more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 22 |
| High Temperature | 28 |
| Low Temperature | 20 |
Useful Links: Valetta Weather: Average Weather & Yearly Climate