Temperatures in September
It's cool to moderate in September in Valetta with an average temperature of 15°C. Temperatures this month range from a low of 12°C to a high of 18°C. At night, you can expect temperatures between 2°C and 7°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Valetta in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Valetta with cool temperatures, averaging around 14°C during the day and nights close to 4°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature rises to around 16°C, with nights close to 5°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of September
By the end of September, the average daytime temperature in Valetta will be around 16°C, with nights close to 6°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in September
In September, there is an average of 43 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.
The average precipitation chance is 29% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Valetta. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Valetta in September |
London | ||
|---|---|---|---|
 Average Temperature |
15°C | 20°C | |
 High Temp |
18°C | 22°C | |
| Low Temp |
12°C | 17°C | |
 Total Precipitation |
43 mm | 44 mm | |
| Rainy Days |
9 days | 8 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Valetta?
Looking for sun and warm weather? Then September isn’t the best time to be in Valetta. The temperature is too low this month for a warm stay.
Temperature records for Valetta in September
With 25°C, Valetta hit the highest temperature in the last 10 years in September 2020. The lowest daytime temperature in this month was 7°C in 2016. The extreme night temperatures ranged from a low of -5°C to a high of 16°C.
Check out the climate of Valetta for all months and discover the best travel time
Daily Temperature in September in Valetta
This chart shows the average daily temperatures, both day and night, for each day in September in Valetta, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Valetta
The chart below shows the average daily precipitation in September for Valetta, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 9 days of rain in Valetta.
Daily UV Index in September in Valetta
This chart shows the average daily UV index in September in Valetta, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Valetta Over the Years
This chart shows the average temperature in September in Valetta, measured in degrees Celsius, over the past years.
Total Precipitation in September in Valetta Over the Years
This chart shows the average precipitation in September in Valetta, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Valetta
Click on a specific day in September for detailed info on the typical weather on that day in Valetta. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Valetta
Have you been to Valetta in September?
Share your weather experience in September in Valetta.
Average Weather in Valetta by Month
Click on a month below to see detailed weather info for Valetta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
