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
September denotes a minimal variation in the average high-temperature to a still moderately hot 26.6°C (79.9°F) from August's 25.8°C (78.4°F). Recording a slight decline in temperature during the nights, Joao Galego's September temperatures average at a still moderately hot 26°C (78.8°F).Humidity
In Joao Galego, the average relative humidity in September is 83%.Rainfall
In September, the rain falls for 8 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Joao Galego, during the entire year, the rain falls for 37.7 days and collects up to 90mm (3.54") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 06:17 and sunset at 18:43. On the last day of the month, sunrise is at 06:20 and sunset at 18:20 -01.
Sunshine
The average sunshine in September is 8.1h.UV index
September and October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Joao Galego have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Joao Galego have in September?
What is the month with the highest UV index?
How high is the UV index in September?
Average temperature in September
Joao Galego, Cape Verde
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is October (26.7°C).
The month with the lowest average high temperature is March (21.6°C).
- Average low temperature in September: 26°C
The month with the highest average low temperature is September (26°C).
The coldest month (with the lowest average low temperature) is March (20.6°C).
Average pressure in September
Joao Galego, Cape Verde
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is August (1013mbar).
Average wind speed in September
Joao Galego, Cape Verde
- Average wind speed in September: 20.8km/h
The windiest month (with the highest average wind speed) is February (30.2km/h).
The calmest month (with the lowest average wind speed) is August (17.9km/h).
Average humidity in September
Joao Galego, Cape Verde
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are January and December (72%).
Average rainfall in September
Joao Galego, Cape Verde
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is January (0mm).
Average rainfall days in September
Joao Galego, Cape Verde
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is September (8 days).
The month with the least rainy days is January (1 days).
Average daylight in September /
Average sunshine in September
Joao Galego, Cape Verde
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).
Average sunshine days in September
Joao Galego, Cape Verde
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is January (29.5 days).
The month with the least sunshine days is September (18.9 days).
Average UV index in September
Joao Galego, Cape Verde
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
Average cloud cover in September
Joao Galego, Cape Verde
- Average cloud cover in September: 37
The month with the most cloud cover is August (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 18).
Average visibility in September
Joao Galego, Cape Verde
- 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).
