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
September
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from 29.6°C (85.3°F) in August to a still warm 26.5°C (79.7°F). A sharp contrast between day and night is prevalent in September with an average nighttime temperature of 12.5°C (54.5°F).Humidity
In Lapa do Lobo, the average relative humidity in September is 60%.Rainfall
In Lapa do Lobo, during September, the rain falls for 6.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Lapa do Lobo, during the entire year, the rain falls for 125.4 days and collects up to 553mm (21.77") of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 06:59 and sunset at 20:03. On the last day of September, sunrise is at 07:27 and sunset at 19:15 WEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lapa do Lobo?
What is the average humidity in September in Lapa do Lobo?
How many days does it rain in September in Lapa do Lobo?
When it does not snow in Lapa do Lobo?
What is the average length of the day in September in Lapa do Lobo?
When are sunrise and sunset in September in Lapa do Lobo?
How many hours of sunshine does Lapa do Lobo have in September?
What is the UV index reading in September in Lapa do Lobo?
Average temperature in September
Lapa do Lobo, Portugal
- Average high temperature in September: 26.5°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (10.7°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in September
Lapa do Lobo, Portugal
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Lapa do Lobo, Portugal
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7km/h).
Average humidity in September
Lapa do Lobo, Portugal
- Average humidity in September: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Lapa do Lobo, Portugal
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is December (92mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Lapa do Lobo, Portugal
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Lapa do Lobo, Portugal
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (3mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Lapa do Lobo, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 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
Lapa do Lobo, Portugal
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Lapa do Lobo, Portugal
- Average sunshine days in September: 22.9 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Lapa do Lobo, 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
Lapa do Lobo, Portugal
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in September
Lapa do Lobo, Portugal
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).
