Average Weather in September in Porto Portugal. Get the latest coronavirus (COVID-19) updates for Portugal with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Portugal in September. Weather data is prone to errors, outages, and other defects. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Porto. The average sliding 31-day rainfall during September in Porto is Daily low temperatures decrease by 3°F, from 59°F to 56°F, rarely falling below 49°F or exceeding 64°F. September, the first month of the autumn, in Porto, is also a moderately hot month, with average temperature fluctuating between 24.1°C (75.4°F) and 14.7°C (58.5°F). Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 17°C (63°F) is normal.
We assume no responsibility for any decisions made on the basis of the content presented on this site. Below are average maximum temperatures at popular destinations in The September weather guide for Portugal shows long term weather averages processed from data supplied by Browse the sunrise & sunset times for Portugal in September 2020. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The shaded overlays indicate night and civil twilight. The average daily incident shortwave solar energy in Porto is The solar day over the course of September. The thin dotted lines are the corresponding average perceived temperatures. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
The estimated value at Porto is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Porto and a given station. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Select a month to view Portugal sunrise & sunset times for the next twelve months. Shortwave radiation includes visible light and ultraviolet radiation. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than
Select a destination to see more weather parameters. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).
For reference, the year's highest daily chance of a wet day is You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Portugal weather in September 2020.
The hourly average wind direction in Porto throughout September is predominantly from the Porto is located near a large body of water (e.g., ocean, sea, or large lake). We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Time zones for airports and weather stations are provided by To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The climate in Lisbon during September can be summarized as warm and dry.
The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.