World Resorts Portugal Quarteira Weather

Quarteira weather in September

Weather in Quarteira: September

Average day temperature: 78.4°F
Average night temperature: 67.6°F
Sea water temperature: 69.4°F
Number of sunny days: 25 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 0 days
Precipitation totals: 0.4 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 80°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during September were 76.2°F and 72.3°F.

Sea water temperature in Quarteira in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 70.9°F. The highest and lowest sea temperatures during the month were 74.8°F and 65.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Quarteira in September is 0.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.4 mph It makes September lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.0.

Best time for vacation in Quarteira

Sunniest months:
July 30 days
August 29 days
June 26 days
Warmest months:
August 82.3 °F
July 82.1 °F
September 78.4 °F
Warmest sea temp:
September 69.4 °F
August 69.3 °F
July 68.5 °F
Coldest months:
January 59.1 °F
February 59.7 °F
December 61.1 °F
Rainiest months:
March 3 days
November 3 days
April 2 days
Windiest months:
March 11.1 mph
February 10.6 mph
January 10.3 mph

Quarteira on a weather map

Quarteira
+66°F
S 13 mph
Feels like: +66°F
Precip.: 5%
Places in Portugal:
Name
°F
+64°F
+66°F
+61°F
+66°F
+63°F
+59°F
+55°F
+68°F
+54°F
+55°F
+68°F
+57°F
+66°F
+55°F
24 Hours Forecast
Quarteira
Local time: 19:54
October 21, wednesday
2100
66°F
S
13 mph
October 22, thursday
0000
63°F
S
11 mph
0300
61°F
S
4 mph
0600
61°F
S
3 mph
0900
61°F
SW
3 mph
1200
66°F
NE
4 mph
1500
66°F
NE
14 mph
1800
68°F
E
11 mph
Units of measurement: °C / °F