September
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 the month, sunrise is at 06:37 and sunset at 19:45. On the last day of September, sunrise is at 07:08 and sunset at 18:54 CEST.
Temperature
September is characterized by a slight reduction in average high-temperature, easing from a warm 29°C (84.2°F) in August to a still moderately hot 25.3°C (77.5°F). Viterbo's average low-temperature of 12.8°C (55°F) in September reflects a significant disparity from the daytime highs.Rainfall
In Viterbo, in September, 58mm (2.28") of precipitation is typically accumulated. Throughout the year, 726mm (28.58") of rain is accumulated.Daylight
In Viterbo, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 06:37 and sunset at 19:45. On the last day of September, sunrise is at 07:08 and sunset at 18:54 CEST.
Updated: Jun 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
The high-temperature during September is 25.3°C (77.5°F) and the low-temperature is 12.8°C (55°F).
How much does it rain in September?
In Viterbo, in September, 58mm (2.28") of precipitation is typically accumulated.
How many hours of daylight does Viterbo have in September?
The average day length in September is 12h and 29min.
When are sunrise and sunset in September?
On the first day of September, 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).
