September weather forecastGoães, Portugal

September

Weather in September

September, the first month of the autumn in Goães, is still a warm month, with an average temperature ranging between min 13.5°C (56.3°F) and max 25.8°C (78.4°F).

Temperature

As Goães welcomes September, the average high-temperature is noted at a still moderately hot 25.8°C (78.4°F), closely aligning with the preceding month. Goães's daily high temperature significantly diverges from the consistently recorded temperature low averaging a moderate 13.5°C (56.3°F) in September.

Humidity

The average relative humidity in September in Goães is 66%.

Rainfall

In Goães, in September, during 8 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 150.5 rainfall days, and 1002mm (39.45") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September in Goães, sunrise is at 06:59 and sunset at 20:06. On the last day of the month, sunrise is at 07:29 and sunset at 19:16 WEST.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Goães is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Goães, in September, the average high-temperature is 25.8°C (78.4°F), and the average low-temperature is 13.5°C (56.3°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 29°C (84.2°F).

In Goães, the average relative humidity in September is 66%.

In Goães, in September, it is raining for 8 days, with typically 36mm (1.42") of accumulated precipitation.

In Goães, the average day length in September is 12h and 28min.

On the first day of September in Goães, Portugal, sunrise is at 06:59 and sunset at 20:06. On the last day of the month, sunrise is at 07:29 and sunset at 19:16 WEST.

In September, the average sunshine duration in Goães, Portugal, is 9h.

In Goães, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

27.6°C

25.8°C

20.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8km/h

7.5km/h

7.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

23.8

20.4

16.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Goães, Portugal

Average high temperature in September: 25.8°C

The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (11.8°C).

Average low temperature in September: 13.5°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).

Average pressure in September
Goães, Portugal

Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed in September
Goães, Portugal

Average wind speed in September: 6.5km/h

The windiest months (with the highest average wind speed) are February and March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).

Average humidity in September
Goães, Portugal

Average humidity in September: 66%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Goães, Portugal

Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is November (146mm).
The driest month (with the least rainfall) is July (12mm).

Average rainfall days in September
Goães, Portugal

Average rainfall days in September: 8 days

The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (5.4 days).

Average daylight in September /
Average sunshine in September
Goães, Portugal

Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Goães, Portugal

Average sunshine days in September: 20.4 days

The month with the most sunshine days is August (23.8 days).
The month with the least sunshine days is April (10.5 days).

Average UV index in September
Goães, Portugal

Average UV index in September: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).