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
As Quito welcomes September, the average high-temperature is noted at a still comfortable 17.6°C (63.7°F), closely aligning with the preceding month. Quito's September nights cool down to an average low-temperature of 8°C (46.4°F).Humidity
The average relative humidity in September is 77%.Rainfall
In September, in Quito, the rain falls for 26.1 days. Throughout September, 113mm (4.45") of precipitation is accumulated. In Quito, Ecuador, during the entire year, the rain falls for 322.7 days and collects up to 1835mm (72.24") of precipitation.Daylight
In Quito, the average length of the day in September is 12h and 7min.On the first day of September, sunrise is at 06:10 and sunset at 18:16. On the last day of the month, sunrise is at 06:00 and sunset at 18:07 -05.
Sunshine
August and September, with an average of 8.2h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Quito are January, March through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Quito have in September?
When are sunrise and sunset in September in Quito?
What is the month with the most sunshine?
How long on average sun shines in September?
What are the months with the highest UV index?
How high is the UV index in September?
Average temperature in September
Quito, Ecuador
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is March (15.6°C).
- Average low temperature in September: 8°C
The month with the highest average low temperature is February (9.2°C).
The coldest month (with the lowest average low temperature) is July (7.6°C).
Average pressure in September
Quito, Ecuador
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is July (1015.1mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Quito, Ecuador
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is July (6.8km/h).
The calmest months (with the lowest average wind speed) are February and April (4.3km/h).
Average humidity in September
Quito, Ecuador
- Average humidity in September: 77%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Quito, Ecuador
- Average rainfall in September: 113mm
The wettest month (with the highest rainfall) is November (229mm).
The driest month (with the least rainfall) is August (78mm).
Average rainfall days in September
Quito, Ecuador
- Average rainfall days in September: 26.1 days
The month with the highest number of rainy days is October (30.3 days).
The month with the least rainy days is February (22.7 days).
Average daylight in September /
Average sunshine in September
Quito, Ecuador
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 6min).
The month with the shortest days is August (Average daylight: 12h and 6min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are August and September (Average sunshine: 8h and 12min).
The month with the least sunshine is March (Average sunshine: 5h and 0min).
Average sunshine days in September
Quito, Ecuador
- Average sunshine days in September: 1.6 days
The month with the most sunshine days is February (4.7 days).
The month with the least sunshine days is November (0.3 days).
Average UV index in September
Quito, Ecuador
- Average UV index in September: 4
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 4).
The month with the lowest UV index is February (UV index 3).
Average cloud cover in September
Quito, Ecuador
- Average cloud cover in September: 35
The months with the most cloud cover are March, April and November (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Quito, Ecuador
- Average visibility in September: 9km
The months with the highest visibility are July, August and September (9km).
The months with the lowest visibility are January, February, March and April (6km).
