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 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
Cete ushers in September with an average high-temperature of a still moderately hot 25.6°C (78.1°F), showing a close resemblance to the previous month. Cete witnesses a consistent average low-temperature of 13.8°C (56.8°F) throughout September.Humidity
The months with the lowest humidity in Cete are August and September, with an average relative humidity of 64%.Rainfall
In September, the rain falls for 7.7 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Cete, during the entire year, the rain falls for 143.8 days and collects up to 847mm (33.35") of precipitation.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 07:00 and sunset at 20:06. On the last day of the month, sunrise is at 07:29 and sunset at 19:16 WEST.
Sunshine
The average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What are the least humid months?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Cete have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Cete, Portugal
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is August (27.6°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in September
Cete, Portugal
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Cete, Portugal
- Average wind speed in September: 6.7km/h
The windiest months (with the highest average wind speed) are February and March (8.7km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Cete, Portugal
- Average humidity in September: 64%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (64%).
Average rainfall in September
Cete, Portugal
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (128mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Cete, Portugal
- Average rainfall days in September: 7.7 days
The months with the highest number of rainy days are January and November (16.4 days).
The month with the least rainy days is August (4.6 days).
Average daylight in September /
Average sunshine in September
Cete, 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 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Cete, Portugal
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in September
Cete, 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, March, April, November and December (UV index 3).
Average cloud cover in September
Cete, Portugal
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Cete, Portugal
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
