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
Calvelhe's progression into September involves a gentle drop in the average high-temperature, from a warm 29.5°C (85.1°F) in August to a still moderately hot 25.4°C (77.7°F). In Calvelhe, following the steep rise of daytime temperatures, an average nighttime low of 13°C (55.4°F) is anticipated during September.Humidity
In Calvelhe, the average relative humidity in September is 53%.Rainfall
In September, the rain falls for 6.3 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Calvelhe, during the entire year, the rain falls for 120.8 days and collects up to 376mm (14.8") of precipitation.Snowfall
In Calvelhe, Portugal, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:53 and sunset at 19:59. On the last day of September, sunrise is at 07:23 and sunset at 19:10 WEST.
Sunshine
The average sunshine in September in Calvelhe is 9.8h.UV index
In Calvelhe, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are September temperatures in Calvelhe?
What is the average humidity in September in Calvelhe?
How much does it rain in Calvelhe in September?
When it does not snow in Calvelhe?
What is the average length of the day in September in Calvelhe?
When is the sunrise / sunset in September in Calvelhe?
How many hours of sunshine does Calvelhe have in September?
What is the UV index intensity in September in Calvelhe?
Average temperature in September
Calvelhe, Portugal
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Calvelhe, Portugal
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Calvelhe, Portugal
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is September (10km/h).
Average humidity in September
Calvelhe, Portugal
- Average humidity in September: 53%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Calvelhe, Portugal
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is August (7mm).
Average rainfall days in September
Calvelhe, Portugal
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is August (2.9 days).
Average snowfall in September
Calvelhe, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Calvelhe, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Calvelhe, 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 12min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Calvelhe, Portugal
- Average sunshine days in September: 22.6 days
The month with the most sunshine days is August (26.1 days).
The month with the least sunshine days is April (12 days).
Average UV index in September
Calvelhe, 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, November and December (UV index 2).
Average cloud cover in September
Calvelhe, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Calvelhe, Portugal
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
Calvelhe, Portugal
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