September weather forecastAvenal, Portugal
September
Weather in September
September, the first month of the autumn in Avenal, is still a warm month, with an average temperature ranging between min 16.9°C (62.4°F) and max 24.9°C (76.8°F).Temperature
September's arrival brings an average high-temperature of a still warm 24.9°C (76.8°F), demonstrating subtle variation from the preceding month. In Avenal, an average nighttime temperature of 16.9°C (62.4°F) is expected during September.Humidity
September and October, with an average relative humidity of 72%, are the least humid months in Avenal.Rainfall
In Avenal, during September, the rain falls for 6.6 days and regularly aggregates up to 20mm (0.79") of precipitation. In Avenal, during the entire year, the rain falls for 118.8 days and collects up to 406mm (15.98") of precipitation.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 07:05 and sunset at 20:07. On the last day of September, sunrise is at 07:32 and sunset at 19:20 WEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index in Avenal is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avenal, 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
Avenal, 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
Avenal, 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
Avenal, 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
Avenal, 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
Avenal, 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
Avenal, 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 24min).
- 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
Avenal, 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
Avenal, 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
Avenal, 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
Avenal, 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).





