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PortugalThe weather in September in Guia
It's warm in September in Guia with an average temperature of 25°C. Temperatures this month range from a low of 23°C to a high of 28°C. At night, you can expect temperatures between 14°C and 17°C.
Looking for great weather? September is a good time to be in Guia. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Guia, Portugal. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2016, Guia reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 18°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 20°C.
Rainfall amount
In September, there is an average of 40 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in September for Guia
Click on any day in September to get detailed info about the usual weather on that day in Guia. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Guia | New York | |
|---|---|---|
| Average temperature | 25°C | 27°C |
| Max. temperature | 28°C | 31°C |
| Min. temperature | 14°C | -5°C |
| Total precipitation | 40 mm | 57 mm |
| Rainy days | 7 days | 9 days |
Start of September
The month of September starts in Guia with hot temps, averaging around 27°C during the day and nights around 17°C.
Mid September
By mid-September, daytime temps drop to around 25°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Guia is around 25°C, while nighttime temps are about 15°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Guia for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Temperature charts
These charts show the average temperatures in September in Guia, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Guia
Temperature in September in Guia over the years
Precipitation charts
These charts show the average amount of precipitation in September in Guia, Portugal. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Guia
Total precipitation in September in Guia over the years
Daily UV index in September in Guia
This chart shows the average daily UV index in September in Guia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Guia
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Average weather in Guia by month
Click on a month below to see detailed weather info for Guia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.