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Autumn weather in Porto

Weather in Porto in Autumn

September October November
Average day temperature: 75.9°F 70.6°F 62.0°F
Average night temperature: 63.4°F 60.8°F 54.4°F
Sea water temperature: 63.5°F 62.6°F 60.5°F
Number of sunny days: 21 days 16 days 13 days
Day length: 11.8 - 13.1 h. 10.5 - 11.8 h. 9.5 - 10.4 h.
Number of rainy days: 3 days 8 days 9 days
Precipitation totals: 1.9 in. 5.4 in. 5.7 in.

Day & Night air temperature, °F

September
October
November
0
12
24
36
48
60
72
84
96
61.7
69.4
74.2
55.6
61.7
64.5
Day temperature   
Night temperature

Sea water temperature, °F

September
October
November
0
10
20
30
40
50
60
70
80
60.5
62.6
63.5

Precipitation total, in.

September
October
November
0.0
1.0
2.1
3.1
4.1
5.1
6.2
7.2
6
5.2
1.4
Sunny, partly cloudy and cloudy days
September
October
November
0
5
10
15
20
25
30
35
14
11
4
6
5
5
11
15
20
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
September
October
November
0.0
1.4
2.9
4.3
5.7
7.1
8.6
10.0
11.4
8.3
7.7
7
Average sunny hours
September
October
November
0
1
2
3
4
5
6
7
8
9
5.2
6
8.3

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Porto

Sunniest months:
August 25 days
July 24 days
September 21 days
Warmest months:
August 78.1 °F
July 77.7 °F
September 75.9 °F
Warmest sea temp:
September 63.5 °F
August 62.8 °F
October 62.6 °F
Coldest months:
January 56.6 °F
February 57.7 °F
December 58.6 °F
Rainiest months:
November 9 days
December 8 days
October 8 days
Windiest months:
February 8.4 mph
March 8.3 mph
May 8.0 mph

Porto on a weather map

Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
+55°F
+57°F
+59°F
+55°F
+57°F
+57°F
+59°F
+64°F
+55°F
+55°F
+64°F
+55°F
+57°F
+59°F
24 Hours Forecast
Porto
Local time: 06:21
January 10, friday
0900
55°F
N
11 mph
1200
57°F
N
12 mph
1500
59°F
N
12 mph
1800
59°F
N
11 mph
2100
57°F
N
9 mph
January 11, saturday
0000
57°F
N
8 mph
0300
57°F
N
7 mph
0600
57°F
N
2 mph

Best place for vacation:

Units of measurement: °C / °F