Sitges
Spain
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sitges, Spain

The first month of the autumn, September, is still a warm month in Sitges, Spain, with average temperature fluctuating between 24.1°C (75.4°F) and 19.6°C (67.3°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still warm 24.1°C (75.4°F). In September, the average low-temperature is 19.6°C (67.3°F).

Humidity

In Sitges, Spain, the average relative humidity is 72%.

Rainfall

In Sitges, Spain, it is raining for 14.4 days, with typically 49mm (1.93") of accumulated precipitation. Throughout the year, in Sitges, Spain, there are 123.2 rainfall days, and 427mm (16.81") of precipitation is accumulated.

Snowfall

January, April through December are months without snowfall in Sitges.

Sea temperature

In Sitges, in September, the average water temperature is 24.1°C (75.4°F).
Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.1°C (75.4°F).

Daylight

The average length of the day in Sitges is 12.5h.

Sunshine

In Sitges, the average sunshine is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Sitges?

The average high-temperature, in September, in Sitges, is 24.1°C (75.4°F), while the average low-temperature is 19.6°C (67.3°F).

What is the average humidity in September in Sitges?

In September, the average relative humidity is 72%.

How many days does it rain in September in Sitges?

In Sitges, during September, the rain falls for 14.4 days and regularly aggregates up to 49mm (1.93") of precipitation.

When it does not snow in Sitges?

January, April through December are months without snowfall in Sitges, Spain.

What is the water temperature in September in Sitges?

In September, the average sea temperature in Sitges, Spain, is 24.1°C (75.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.1°C (75.4°F) water.

How many hours of daylight does Sitges have in September?

The average length of the day in September in Sitges is 12.5h.

How many hours of sunshine does Sitges have in September?

In Sitges, Spain, the average sunshine in September is 9.2h.

What is the UV index reading in September in Sitges?

In Sitges, Spain, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Sitges, Spain
  • Average high temperature in September: 24.1°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (12.2°C).

  • Average low temperature in September: 19.6°C

The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).

Average humidity in September - Sitges, Spain
  • Average humidity in September: 72%

The month with the highest relative humidity is April (73%).
Months with the lowest relative humidity are January, February, June and November (69%).

Average rainfall in September - Sitges, Spain
  • Average rainfall in September: 49mm

The wettest month (with the highest rainfall) is October (63mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in September - Sitges, Spain
  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is September (14.4 days).
The month with the least rainy days is December (6.5 days).

Average snowfall in September - Sitges, Spain
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (3mm).
Months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September - Sitges, Spain
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in September - Sitges, Spain
  • Average sea temperature in September: 24.1°C

The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).

Average daylight in September / Average sunshine in September - Sitges, Spain
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9.2h

The month with the most sunshine is June (Average sunshine: 11.8h).
The month with the least sunshine is December (Average sunshine: 6.7h).

Average UV index in September - Sitges, Spain
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January and November (UV index 3).