September weather forecastAlpendurada, Portugal
September
Weather in September
September, the first month of the autumn in Alpendurada, is also a moderately hot month, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 25.4°C (77.7°F).Temperature
The arrival of September brings an average high-temperature of a still warm 25.4°C (77.7°F), subtly diverging from August's 28°C (82.4°F). Alpendurada experiences a significant contrast between daily highs and an average nighttime temperature of 12.5°C (54.5°F) during September.Humidity
The average relative humidity in September in Alpendurada is 64%.Rainfall
In September, in Alpendurada, the rain falls for 8.1 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Alpendurada, Portugal, during the entire year, the rain falls for 150.1 days and collects up to 851mm (33.5") of precipitation.Snowfall
February through December are months without snowfall in Alpendurada.Daylight
In Alpendurada, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:00 and sunset at 20:05. On the last day of September, in Alpendurada, sunrise is at 07:29 and sunset at 19:16 WEST.
Sunshine
In Alpendurada, Portugal, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in September translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alpendurada, Portugal
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (10.4°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in September
Alpendurada, Portugal
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Alpendurada, Portugal
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.3km/h).
Average humidity in September
Alpendurada, Portugal
- Average humidity in September: 64%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Alpendurada, Portugal
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (129mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Alpendurada, Portugal
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is April (17.1 days).
The month with the least rainy days is August (4.9 days).
Average snowfall in September
Alpendurada, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Alpendurada, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Alpendurada, 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 18min).
- 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 24min).
Average sunshine days in September
Alpendurada, Portugal
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (24.6 days).
The months with the least sunshine days are April and November (10.8 days).
Average UV index in September
Alpendurada, 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 and February (UV index 2).
Average cloud cover in September
Alpendurada, Portugal
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Alpendurada, Portugal
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January and November (7km).





