September weather forecast
Chieti, Italy

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Weather in September

September, the first month of the autumn in Chieti, is also a moderately hot month, with an average temperature ranging between max 27°C (80.6°F) and min 16.6°C (61.9°F).

Temperature

As September arrives, Chieti's weather displays a minor decrease in high-temperatures, transitioning from August's tropical 31.8°C (89.2°F) to a moderately hot 27°C (80.6°F). Throughout September, Chieti encounters an average temperature drop to a refreshing 16.6°C (61.9°F).

Heat index

The heat index value for September is evaluated at 29°C (84.2°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

In Chieti, the average relative humidity in September is 69.6%.

Rainfall

In Chieti, in September, it is raining for 6.2 days, with typically 75mm (2.95") of accumulated precipitation. Throughout the year, there are 79.4 rainfall days, and 658mm (25.91") of precipitation is accumulated.

Daylight

In September, the average length of the day in Chieti is 12h and 29min.
On the first day of September in Chieti, sunrise is at 06:29 and sunset at 19:37. On the last day of the month, sunrise is at 06:59 and sunset at 18:46 CEST.
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Frequently asked questions

What is the average September temperature in Chieti?

During September, Chieti experiences an average high-temperature of 27°C (80.6°F) and a low-temperature of 16.6°C (61.9°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 29°C (84.2°F).

What is the average humidity in September in Chieti?

In Chieti, the average relative humidity in September is 69.6%.

How many days does it rain in September in Chieti?

In Chieti, Italy, during September, the rain falls for 6.2 days and regularly aggregates up to 75mm (2.95") of precipitation.

What is the average length of the day in September in Chieti?

In Chieti, Italy, the average day length in September is 12h and 29min.

What time are sunrise and sunset in September in Chieti?

In September, on the first day of the month, sunrise is at 06:29 and sunset at 19:37. On the last day of the month, in Chieti, Italy, sunrise is at 06:59 and sunset at 18:46 CEST.

Average temperature in September
Chieti, Italy

Average temperature in September - Chieti, Italy
  • Average high temperature in September: 27°C

The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in September: 16.6°C

The month with the highest average low temperature is July (20.4°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).

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Average humidity in September
Chieti, Italy

Average humidity in September - Chieti, Italy
  • Average humidity in September: 69.6%

The month with the highest relative humidity is November (79.8%).
The month with the lowest relative humidity is July (59.7%).

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Average rainfall in September
Chieti, Italy

Average rainfall in September - Chieti, Italy
  • Average rainfall in September: 74.8mm

The wettest month (with the highest rainfall) is November (80.3mm).
The driest month (with the least rainfall) is August (17.6mm).

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Average rainfall days in September
Chieti, Italy

Average rainfall days in September - Chieti, Italy
  • Average rainfall days in September: 6.2 days

The month with the highest number of rainy days is April (8.4 days).
The month with the least rainy days is August (3.1 days).

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Average daylight in September
Chieti, Italy

Average daylight in September - Chieti, 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).

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Chieti, Italy

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