September weather forecastVimeiro, Portugal
September
Weather in September
September, the first month of the autumn in Vimeiro, is also a moderately hot month, with an average temperature varying between 24.9°C (76.8°F) and 16.9°C (62.4°F).Temperature
Vimeiro greets September with an average high-temperature of a still warm 24.9°C (76.8°F), marking a slight deviation from the preceding month. During the month of September, Vimeiro's nighttime temperature lowers to an average of 16.9°C (62.4°F).Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 72%.Rainfall
In September, the rain falls for 6.6 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Vimeiro, during the entire year, the rain falls for 118.8 days and collects up to 406mm (15.98") of precipitation.Daylight
In Vimeiro, Portugal, the average length of the day in September is 12h and 26min.On the first day of September in Vimeiro, sunrise is at 07:06 and sunset at 20:07. On the last day of the month, sunrise is at 07:32 and sunset at 19:21 WEST.
Sunshine
In Vimeiro, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vimeiro, Portugal
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (14.3°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is February (9.5°C).
Average pressure in September
Vimeiro, Portugal
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Vimeiro, Portugal
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is October (14km/h).
Average humidity in September
Vimeiro, Portugal
- Average humidity in September: 72%
The month with the highest relative humidity is January (78%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in September
Vimeiro, Portugal
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Vimeiro, Portugal
- Average rainfall days in September: 6.6 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
Vimeiro, 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 30min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Vimeiro, Portugal
- Average sunshine days in September: 22 days
The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is November (12.8 days).
Average UV index in September
Vimeiro, Portugal
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in September
Vimeiro, Portugal
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Vimeiro, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
