World Resorts Portugal Lisbon Weather

Lisbon weather in September

Weather in Lisbon: September

Average day temperature: 78.8°F
Average night temperature: 65.5°F
Sea water temperature: 66.7°F
Number of sunny days: 23 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 85°F. At the same time the lowest night temperature was 58°F. Day and night temperature averages during September were 74.5°F and 64.3°F.

Sea water temperature in Lisbon in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 65.1°F. The highest and lowest sea temperatures during the month were 67.1°F and 63.5°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 Lisbon in September is 0.8 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.8 mph

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: 9.1.

Best time for vacation in Lisbon

Sunniest months:
August 28 days
July 26 days
September 23 days
Warmest months:
August 82.0 °F
July 80.8 °F
September 78.8 °F
Warmest sea temp:
August 66.9 °F
September 66.7 °F
July 66.6 °F
Coldest months:
January 58.6 °F
February 59.9 °F
December 60.9 °F
Rainiest months:
January 4 days
March 4 days
November 4 days
Windiest months:
July 10.7 mph
August 10.3 mph
June 10.3 mph

Lisbon on a weather map

Lisbon
+55°F
S 8 mph
Feels like: +54°F
Precip.: 0%
Places in Portugal:
Name
°F
+59°F
+57°F
+59°F
+59°F
+59°F
+55°F
+55°F
+59°F
+59°F
+54°F
+59°F
+54°F
+57°F
+55°F
24 Hours Forecast
Lisbon
Local time: 11:02
December 22, sunday
1200
55°F
S
8 mph
1500
63°F
SW
11 mph
1800
59°F
S
11 mph
2100
55°F
S
10 mph
December 23, monday
0000
55°F
S
9 mph
0300
54°F
S
7 mph
0600
52°F
S
7 mph
0900
50°F
SW
8 mph

Best place for vacation:

Units of measurement: °C / °F