Portugal Weather in September: Temperature, Precipitation, Wind

Temperature
21.2°C
70.1°F
High temperature
26°C
78.8°F
Low temperature
17.6°C
63.6°F
Rainy days
13 days
Rainfall level
0.98mm
0.04 inch
Cloud coverage
37.2%
Wind speed
22.6km/h
14mph
Daylight time
12:26:31
UV index
7.2
1
partly cloudy day
21.1°C
70.0°F
2
partly cloudy day
20.4°C
69.0°F
3
partly cloudy day
19.8°C
68.0°F
4
rain
19.3°C
67.0°F
5
rain
21.2°C
70.0°F
6
rain
21.2°C
70.0°F
7
rain
22.0°C
72.0°F
8
rain
21.9°C
71.0°F
9
rain
21.3°C
70.0°F
10
rain
19.7°C
67.0°F
11
rain
20.5°C
69.0°F
12
partly cloudy day
21.1°C
70.0°F
13
clear day
22.4°C
72.0°F
14
partly cloudy day
23.7°C
75.0°F
15
partly cloudy day
21.3°C
70.0°F
16
rain
20.7°C
69.0°F
17
rain
19.7°C
67.0°F
18
rain
19.5°C
67.0°F
19
clear day
20.1°C
68.0°F
20
partly cloudy day
19.1°C
66.0°F
21
rain
20.0°C
68.0°F
22
rain
18.6°C
65.0°F
23
clear day
19.7°C
67.0°F
24
clear day
21.4°C
71.0°F
25
clear day
22.6°C
73.0°F
26
partly cloudy day
22.8°C
73.0°F
27
partly cloudy day
21.9°C
71.0°F
28
clear day
21.7°C
71.0°F
29
clear day
24.8°C
77.0°F
30
clear day
25.7°C
78.0°F

September is a great time to visit Portugal as the weather is still warm and sunny, with an average temperature of 21.2°C (70.1°F). The average high temperature is 26.0°C (78.8°F), while the average low temperature drops to 17.6°C (63.6°F). The average humidity is 74.0%.

There is a chance of precipitation, with an average rainfall of 0.98 mm (0.04 inches) and a precipitation probability of 43.3%. Portugal experiences an average of 13 rainy days in September, so it’s a good idea to pack an umbrella or raincoat. The average wind speed is 22.6 km/h (14.0 mph), with gusts up to 31.9 km/h (19.8 mph). The average visibility is 10.2 km (6.3 miles), and the average UV index is 7.2, indicating high sun exposure.

What is the temperature in Portugal in September?

Average air temperature in Portugal is 21.2°C (70.1°F) in September. The outside temperature in Portugal feels like 21.2°C (70.1°F) on a typical September day. The highest average temperature during sunny days is 26°C (78.8°F) and feels like 25.8°C (78.5°F). The lowest average temperature after dark is 17.6°C (63.6°F) which feels like 17.6°C (63.6°F).

Daily Temperature in Portugal in September 0°C / 32.0°F 10°C / 50.0°F 20°C / 68.0°F 30°C / 86.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How hot is Portugal in September?

The hot temperature in September in Portugal rises to 34°C (93.2°F) on sunny days with low cloud coverage and 74% humidity. During hottest days of September it feels like 32.8 °C (91°F). The average maximum temp in Portugal is 26°C (91°F) during day time in September.

How cold is Portugal in September?

The coldest temp in Portugal in September drops to 14.2°C (57.6°F) during the cold nights. With 22.6km/h (14mph) winds and 74% humidity it feels like 14.2°C (57.6°F) on the coldest nights. The average minimum temperature is 17.6°C (63.6°F) during night time in September.

Does it rain in Portugal in September?

Yes, it rains for 13 days in Portugal in September averaging 0.98 mm of precipitation. Portugal has a 43.3% chance for rain throughout the entire month of September.

How much does it rain in Portugal throughout September?

Portugal has 0.98 mm (0.04 inch) of rain per day on average in September. It rains for an average of 13 days out of the entire month.

Is Portugal windy in September?

The average speed of wind in Portugal during September is 22.6km/h (14mph) and average windgust is 31.9km/h (19.8mph). On some days in September wind can reach up to 36.4km/h (22.6mph).

Daily wind speed in Portugal in September 0km/h (0mph) 10km/h (6mph) 20km/h (12mph) 30km/h (19mph) 40km/h (25mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What is the direction of the wind in Portugal in September?

Most days of September the wind is blowing from West direction in Portugal.

What are the humidity levels in Portugal in September?

The average humidity levels in Portugal in September are 74%. Daily humidity levels in Portugal range from 53.6% to 91.6% during September.

Daily humidity levels in Portugal in September 0% 23% 46% 69% 92% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How many hours of daylight are in Portugal in September?

Portugal has 12 hours 26 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Portugal in September is at 7:18:10 and the sunset is at 19:44:42.

What is the cloud coverage in Portugal in September?

Clouds cover 37.2% of the sky on average throughout September in Portugal. The cloud coverage ranges from 2.3% to 68.7% depending on the day of the month.

What is the UV level in September in Portugal?

The average UV index in Portugal is 7.2 in September. UV levels change throughout the month and range from 2 to 10.

What is the solar radiation in Portugal in September?

The average solar radiation is 186.5 W/m2 (Watts per square meter) in Portugal during September. However solar radiation levels change throughout the month and range from 11.6 W/m2 to 242.3 W/m2.

What is the solar energy during September in Portugal?

The average solar energy during September in Portugal is 16.1 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.6 MJ/m2, to 21 MJ/m2 during September.

Are there severe weather risks in Portugal in September?

Yes, there is a % risk for severe weather in Portugal in September.

What is the air pressure in Portugal in September?

On average the air pressure in Portugal in September is 1015.4 mb (millibars). Throughout the month the sea level pressure ranges from 1008.4 mb to 1019.9 mb.

What is the visibility in Portugal in September?

The average daylight visibility in Portugal in September is 10.2 km (6.4 miles). Depending on the precipitation the visibility ranges from 8.8 km (5.5 miles) to 10.5 km (6.5 miles) throughout September.

What is the dew point in Portugal in September?

The average dew point in Portugal during September is 15.8°C (60.4°F).

Where is the data for Portugal climate in September coming from?

The climate data for Portugal in September is collected from the following weather stations.

  • SINTRA, PO
  • MONTIJO, PO
  • LISBOA, PO
  • DW7126 Lourinha PT
  • LPPT