September weather forecast
Syracuse, Italy

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The large, open, Cathedral Plaza Square, in Syracuse on the island of Sicily in Italy
The large, open, Cathedral Plaza Square, in Syracuse on the island of Sicily in Italy

Weather in September

September ushers in the onset of autumn in Syracuse, with a subtle decrease in temperature and daylight hours. Yet, the sea temperature remains relatively high at 25.4°C (77.7°F), making it a great month for sea activities. Temperatures start to gradually cool down, making way for a comfortably warm weather. However, the decrease in rainfall observed all summer experiences a marked increase, from 7mm (0.28") in August jumping to 44mm (1.73"). The crisp fall air coupled with warm, sunny days makes September a delightful time to visit Syracuse.

Temperature

September signals a slight drop in average high-temperature, sliding from August's tropical 31.2°C (88.2°F) to a warm 28.1°C (82.6°F). Syracuse's average low-temperature is measured at a comfortable 19.2°C (66.6°F) during September.

Rainfall

In Syracuse, during September, the rain falls for 4 days and regularly aggregates up to 44mm (1.73") of precipitation. In Syracuse, during the entire year, the rain falls for 60 days and collects up to 526mm (20.71") of precipitation.

Sea temperature

In Syracuse, the average seawater temperature in September is 25.4°C (77.7°F).
Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.

Daylight

In Syracuse, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 06:29 and sunset at 19:27. On the last day of September, sunrise is at 06:53 and sunset at 18:43 CEST.

Sunshine

In September, the average sunshine in Syracuse is 8h.

UV index

In Syracuse, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 in September translates into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Heads up! UV intensity is amplified by reflections from water and sand.
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Frequently asked questions

How hot does it get in Syracuse in September?

The average high-temperature, in September, in Syracuse, is 28.1°C (82.6°F), while the average low-temperature is 19.2°C (66.6°F).

How much does it rain in Syracuse in September?

In Syracuse, during September, the rain falls for 4 days and regularly aggregates up to 44mm (1.73") of precipitation.

What is the sea water temperature in September in Syracuse?

In Syracuse, the average seawater temperature in September is 25.4°C (77.7°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Syracuse have in September?

In Syracuse, Italy, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Syracuse?

In September, on the first day of the month, sunrise is at 06:29 and sunset at 19:27. On the last day of the month, in Syracuse, Italy, sunrise is at 06:53 and sunset at 18:43 CEST.

How long on average sun shines in September in Syracuse?

In Syracuse, the average sunshine duration in September is 8h.

How high is the UV index in September in Syracuse?

In Syracuse, Italy, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Syracuse, Italy

Average temperature in September - Syracuse, Italy
  • Average high temperature in September: 28.1°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in September: 19.2°C

The month with the highest average low temperature is August (21.2°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).

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Average rainfall in September
Syracuse, Italy

Average rainfall in September - Syracuse, Italy
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (3mm).

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Average rainfall days in September
Syracuse, Italy

Average rainfall days in September - Syracuse, Italy
  • Average rainfall days in September: 4 days

The months with the highest number of rainy days are January and December (9 days).
The months with the least rainy days are June, July and August (1 days).

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Average sea temperature in September
Syracuse, Italy

Average sea temperature in September - Syracuse, Italy
  • Average sea temperature in September: 25.4°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.8°C).

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Average daylight in September /
Average sunshine in September
Syracuse, Italy

Average daylight in September / Average sunshine in September - Syracuse, Italy
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 11h).
The months with the least sunshine are January and December (Average sunshine: 4h).

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Average UV index in September
Syracuse, Italy

Average UV index in September - Syracuse, Italy
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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Syracuse, Italy

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