Weather in September
The first month of the autumn, September, is also a moderately hot month in Viterbo, Italy, with temperature in the range of an average high of 25.3°C (77.5°F) and an average low of 12.8°C (55°F).
On the first day of September in Viterbo, sunrise is at 06:37 and sunset at 19:45. On the last day of the month, sunrise is at 07:08 and sunset at 18:54 CEST.
[Resources]Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 29°C (84.2°F) to a still warm 25.3°C (77.5°F). Despite the high peak temperatures, Viterbo witnesses an average nighttime cooling to a fresh 12.8°C (55°F) in September.Rainfall
In Viterbo, Italy, in September, 58mm (2.28") of precipitation is typically accumulated. During the entire year, Viterbo aggregates up to 726mm (28.58") of precipitation.Daylight
In September, the average length of the day in Viterbo is 12h and 29min.On the first day of September in Viterbo, sunrise is at 06:37 and sunset at 19:45. On the last day of the month, sunrise is at 07:08 and sunset at 18:54 CEST.
Frequently asked questions
What is the average September temperature in Viterbo?
The average high-temperature and low-temperature in Viterbo, Italy, during September are 25.3°C (77.5°F) and 12.8°C (55°F) respectively.
How much does it rain in Viterbo in September?
Throughout September, in Viterbo, Italy, 58mm (2.28") of precipitation is accumulated.
How many hours of daylight does Viterbo have in September?
In September, the average day length in Viterbo is 12h and 29min.
What time are sunrise and sunset in September in Viterbo?
On the first day of September in Viterbo, Italy, sunrise is at 06:37 and sunset at 19:45. On the last day of the month, sunrise is at 07:08 and sunset at 18:54 CEST.
Average temperature in September
Viterbo, Italy
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is July (29.1°C).
The month with the lowest average high temperature is January (9.5°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average rainfall in September
Viterbo, Italy
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (28mm).
Average daylight in September
Viterbo, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
Viterbo, Italy
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