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
The arrival of September brings an average high-temperature of an agreeable 22.6°C (72.7°F), subtly diverging from August's 23.2°C (73.8°F). September records a small disparity from daytime temperatures, marking an average low-temperature of 21.5°C (70.7°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Ribeira Quente, Portugal, in September, during 15.1 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Ribeira Quente, there are 162.8 rainfall days, and 525mm (20.67") of precipitation is accumulated.Daylight
The average length of the day in September in Ribeira Quente is 12h and 25min.On the first day of the month, sunrise is at 07:11 and sunset at 20:10. On the last day of September, in Ribeira Quente, sunrise is at 07:36 and sunset at 19:25 +00.
Sunshine
In Ribeira Quente, the average sunshine in September is 8.1h.UV index
July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ribeira Quente?
What is the average humidity in September in Ribeira Quente?
How many days does it rain in September in Ribeira Quente?
How many hours of daylight does Ribeira Quente have in September?
When is the sunrise / sunset in September in Ribeira Quente?
How long on average sun shines in September in Ribeira Quente?
What is the month with the highest UV index in Ribeira Quente?
What is the UV index reading in September in Ribeira Quente?
Average temperature in September
Ribeira Quente, Portugal
- Average high temperature in September: 22.6°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is March (16°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is August (22.1°C).
The coldest months (with the lowest average low temperature) are February and March (14.7°C).
Average pressure in September
Ribeira Quente, Portugal
- Average pressure in September: 1020.9mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is October (1016.9mbar).
Average wind speed in September
Ribeira Quente, Portugal
- Average wind speed in September: 20.1km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in September
Ribeira Quente, Portugal
- Average humidity in September: 77%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Ribeira Quente, Portugal
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (89mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in September
Ribeira Quente, Portugal
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is October (19.1 days).
The month with the least rainy days is July (9.1 days).
Average daylight in September /
Average sunshine in September
Ribeira Quente, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are November and December (Average sunshine: 5h and 0min).
Average sunshine days in September
Ribeira Quente, Portugal
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is October (7.6 days).
Average UV index in September
Ribeira Quente, Portugal
- Average UV index in September: 6
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February and March (UV index 4).
Average cloud cover in September
Ribeira Quente, Portugal
- Average cloud cover in September: 40
The month with the most cloud cover is November (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Ribeira Quente, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
