Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Mesão Frio's progression into September involves a minor drop in the average high-temperature, slightly receding from 28.6°C (83.5°F) in August to a still warm 25.5°C (77.9°F). In the face of high daytime temperatures, Mesão Frio witnesses a consistent average nighttime low of 12.1°C (53.8°F) during September.Humidity
In September, the average relative humidity in Mesão Frio is 60%.Rainfall
In Mesão Frio, in September, during 6.3 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 107.8 rainfall days, and 282mm (11.1") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Mesão Frio.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:58 and sunset at 20:04. On the last day of September, in Mesão Frio, sunrise is at 07:27 and sunset at 19:14 WEST.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Mesão Frio is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Mesão Frio in September?
What is the average humidity in September in Mesão Frio?
How much does it rain in Mesão Frio in September?
When it does not snow in Mesão Frio?
What is the average length of the day in September in Mesão Frio?
What time are sunrise and sunset in September in Mesão Frio?
How long on average sun shines in September in Mesão Frio?
What is the UV index reading in September in Mesão Frio?
Average temperature in September
Mesão Frio, Portugal
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (9.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Mesão Frio, Portugal
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Mesão Frio, Portugal
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in September
Mesão Frio, Portugal
- Average humidity in September: 60%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Mesão Frio, Portugal
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is December (49mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in September
Mesão Frio, Portugal
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in September
Mesão Frio, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Mesão Frio, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mesão Frio, Portugal
- Average daylight in September: 12h and 3min
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 18min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Mesão Frio, Portugal
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (14.1 days).
Average UV index in September
Mesão Frio, 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, November and December (UV index 2).
Average cloud cover in September
Mesão Frio, Portugal
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Mesão Frio, Portugal
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (6km).
Mesão Frio, Portugal
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