Climate averages 1991–2020
Valletta weather
in September.
A warm, fairly dry month: the 3rd warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Valletta: daytime highs average 25.8°C and nights cool to about 22.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 33 mm of rain on roughly 4 days, which makes September a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Ragusa (116 km away). In September its highs average 24.3°C, 1.5°C cooler than Valletta, with 45 mm of rain.
From September to October, average highs fall by 2.8°C to 23.0°C, and monthly rainfall rises from 33 mm to 52 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Valletta climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 14.6°C12.1°C | 12.1°C | 54 | 9.4 | 10.010 h |
| February | 14.3°C11.6°C | 11.6°C | 50 | 8.1 | 10.911 h |
| March | 15.4°C12.5°C | 12.5°C | 32 | 5.4 | 11.912 h |
| April | 17.2°C14.2°C | 14.2°C | 14 | 3.3 | 13.113 h |
| May | 20.3°C17.1°C | 17.1°C | 5.7 | 1.4 | 14.014 h |
| June | 24.1°C20.7°C | 20.7°C | 2.5 | 0.4 | 14.515 h |
| July | 26.9°C23.4°C | 23.4°C | 0.3 | 0.1 | 14.314 h |
| August | 27.8°C24.5°C | 24.5°C | 3.4 | 0.6 | 13.514 h |
| September, selected | 25.8°C22.9°C | 22.9°C | 33 | 4.0 | 12.412 h |
| October | 23.0°C20.2°C | 20.2°C | 52 | 6.5 | 11.311 h |
| November | 19.5°C16.8°C | 16.8°C | 69 | 9.3 | 10.310 h |
| December | 16.2°C13.7°C | 13.7°C | 72 | 9.8 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Ragusa in SeptemberItaly · 116 kmHigh 24.3°C · Low 17.4°C · 45 mm rain
- Gela in SeptemberItaly · 133 kmHigh 27.0°C · Low 19.4°C · 29 mm rain
- Siracusa in SeptemberItaly · 148 kmHigh 26.8°C · Low 21.1°C · 48 mm rain
- Catania in SeptemberItaly · 184 kmHigh 27.5°C · Low 20.0°C · 54 mm rain
- Reggio Calabria in SeptemberItaly · 266 kmHigh 26.1°C · Low 18.8°C · 50 mm rain
- Palermo in SeptemberItaly · 267 kmHigh 26.8°C · Low 20.6°C · 61 mm rain
- Messina in SeptemberItaly · 271 kmHigh 26.1°C · Low 20.1°C · 65 mm rain
- Marsala in SeptemberItaly · 281 kmHigh 26.4°C · Low 20.6°C · 42 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Valletta) is explained once on the Valletta year overview and on the Sources, method and limits page.