September weather forecastTortosa, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Tortosa, Spain, with an average temperature ranging between max 25.2°C (77.4°F) and min 20.4°C (68.7°F).Temperature
Tortosa records an average high-temperature of a still moderately hot 25.2°C (77.4°F) in September, maintaining a close correlation with August's 27.9°C (82.2°F). Tortosa's nocturnal readings in September exhibit minimal variation from the daytime temperatures, averaging at an agreeable 20.4°C (68.7°F).Humidity
The average relative humidity in September is 67%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 29mm (1.14") of precipitation is accumulated. Throughout the year, there are 96.3 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
January, March through December are months without snowfall in Tortosa.Sea temperature
In Tortosa, in September, the average water temperature is 25°C (77°F).Note: Surface water temperatures falling between 25°C (77°F) and 29°C (84.2°F) are regarded as prime and extremely agreeable for enduring periods during any water activity.
Daylight
In September, the average length of the day in Tortosa is 12h and 28min.On the first day of September, sunrise is at 07:25 and sunset at 20:30. On the last day of the month, sunrise is at 07:53 and sunset at 19:41 CEST.
Sunshine
The average sunshine in September is 9.3h.UV index
In Tortosa, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in September translates into these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Heads up! The reflection of sand and water notably intensifies UV rays from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tortosa, Spain
- Average high temperature in September: 25.2°C
The warmest month (with the highest average high temperature) is August (27.9°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is February (7.8°C).
Average pressure in September
Tortosa, Spain
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Tortosa, Spain
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Tortosa, Spain
- Average humidity in September: 67%
The months with the highest relative humidity are April, August, October and December (68%).
The months with the lowest relative humidity are February, March, May, June and November (66%).
Average rainfall in September
Tortosa, Spain
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Tortosa, Spain
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is April (11.9 days).
The month with the least rainy days is December (5.6 days).
Average snowfall in September
Tortosa, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (6mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Tortosa, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Tortosa, Spain
- Average sea temperature in September: 25°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13°C).
Average daylight in September /
Average sunshine in September
Tortosa, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days in September
Tortosa, Spain
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (24 days).
The month with the least sunshine days is April (15.5 days).
Average UV index in September
Tortosa, Spain
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Tortosa, Spain
- Average cloud cover in September: 19
The month with the most cloud cover is April (Cloud cover 27).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
Tortosa, Spain
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





