September weather forecastMarrazes, Portugal
September
Weather in September
September, the first month of the autumn in Marrazes, is still a warm month, with an average temperature ranging between min 15.4°C (59.7°F) and max 25.5°C (77.9°F).Temperature
Marrazes ushers in September with an average high-temperature of a still warm 25.5°C (77.9°F), showing a close resemblance to the previous month. September is noted for a mean low-temperature of 15.4°C (59.7°F).Humidity
September is the least humid month, with an average relative humidity of 70%.Rainfall
In Marrazes, in September, it is raining for 6.4 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, in Marrazes, there are 120.2 rainfall days, and 453mm (17.83") of precipitation is accumulated.Daylight
In Marrazes, Portugal, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 07:03 and sunset at 20:06. On the last day of the month, sunrise is at 07:30 and sunset at 19:19 WEST.
Sunshine
In Marrazes, the average sunshine in September is 9.2h.UV index
In Marrazes, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marrazes, Portugal
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (13.8°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is July (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.8°C).
Average pressure in September
Marrazes, Portugal
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Marrazes, Portugal
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is September (11km/h).
Average humidity in September
Marrazes, Portugal
- Average humidity in September: 70%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (70%).
Average rainfall in September
Marrazes, Portugal
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Marrazes, Portugal
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is November (14.8 days).
The month with the least rainy days is August (3.1 days).
Average daylight in September /
Average sunshine in September
Marrazes, Portugal
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Marrazes, Portugal
- Average sunshine days in September: 22.4 days
The month with the most sunshine days is August (25.4 days).
The months with the least sunshine days are April and November (13.9 days).
Average UV index in September
Marrazes, Portugal
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Marrazes, Portugal
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are August and September (Cloud cover 21).
Average visibility in September
Marrazes, Portugal
- Average visibility in September: 9km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
