September weather forecastTarragona, Spain
September
Weather in September
September in Tarragona witnesses a subtle shift in weather gradients as the melting summer heat slowly begins to cool down. The observed rainfall surges to stand at the maximum for the year, amounting to 39mm (1.54"). As rain showers become more habitual, they bring in a refreshing change from the preceding sun-drenched months, pointing towards an increment in humidity levels. Rolling into the brink of autumn, September promises somewhat cooler days and progressively shorter daylight hours. The city hence greets autumn with open arms, bidding a warm farewell to the long, scorching summer.Temperature
With the advent of September, Tarragona experiences an average high-temperature of a still warm 24.5°C (76.1°F), mirroring a close resemblance to the previous month. Nighttime temperatures record an average of 19.9°C (67.8°F) throughout September.Humidity
The average relative humidity in September is 69%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Tarragona, there are 114.8 rainfall days, and 354mm (13.94") of precipitation is accumulated.Snowfall
April through December are months without snowfall.Sea temperature
In Tarragona, in September, the average water temperature is 23.9°C (75°F).Note: Swimming in 23.9°C (75°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.
Daylight
The average length of the day in September in Tarragona is 12h and 28min.On the first day of September in Tarragona, sunrise is at 07:22 and sunset at 20:27. On the last day of the month, sunrise is at 07:51 and sunset at 19:38 CEST.
Sunshine
In Tarragona, the average sunshine in September is 9.3h.UV index
May through September, with an average maximum UV index of 6, are months with the highest UV index in Tarragona. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in September translates into these instructions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tarragona, Spain
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (12.5°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (22.4°C).
The coldest months (with the lowest average low temperature) are January and February (7.8°C).
Average pressure in September
Tarragona, Spain
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Tarragona, Spain
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is January (17.7km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Tarragona, Spain
- Average humidity in September: 69%
The month with the highest relative humidity is April (72%).
The months with the lowest relative humidity are February, June and November (68%).
Average rainfall in September
Tarragona, Spain
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is February (13mm).
Average rainfall days in September
Tarragona, Spain
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is September (13.2 days).
The month with the least rainy days is December (5.5 days).
Average snowfall in September
Tarragona, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Tarragona, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in September
Tarragona, Spain
- Average sea temperature in September: 23.9°C
The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (13.2°C).
Average daylight in September /
Average sunshine in September
Tarragona, 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 month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Tarragona, Spain
- Average sunshine days in September: 13 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is September (13 days).
Average UV index in September
Tarragona, Spain
- Average UV index in September: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Tarragona, Spain
- Average cloud cover in September: 21
The month with the most cloud cover is April (Cloud cover 29).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Tarragona, 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).
