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
Las Flores experiences a minor change to a still refreshing 15.5°C (59.9°F) in average high-temperature during September, closely reflecting August. Maintaining close parity with daytime warmth, the average nocturnal temperature during September stays at a fresh 11.4°C (52.5°F).Humidity
July through September, with an average relative humidity of 79%, are the most humid months.Rainfall
In Las Flores, in September, during 10.2 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 136.9 rainfall days, and 714mm (28.11") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 53min.On the first day of the month, sunrise is at 06:59 and sunset at 18:23. On the last day of September, sunrise is at 06:18 and sunset at 18:44 -03.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Las Flores, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in Las Flores in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Las Flores, Uruguay
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is January (25.3°C).
The month with the lowest average high temperature is July (13.2°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is February (20.3°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in September
Las Flores, Uruguay
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in September
Las Flores, Uruguay
- Average wind speed in September: 21.3km/h
The windiest months (with the highest average wind speed) are June and September (21.3km/h).
The calmest month (with the lowest average wind speed) is May (19.1km/h).
Average humidity in September
Las Flores, Uruguay
- Average humidity in September: 79%
The months with the highest relative humidity are July, August and September (79%).
The month with the lowest relative humidity is January (71%).
Average rainfall in September
Las Flores, Uruguay
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in September
Las Flores, Uruguay
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are June, August and September (10.2 days).
Average daylight in September /
Average sunshine in September
Las Flores, Uruguay
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is January (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days in September
Las Flores, Uruguay
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in September
Las Flores, Uruguay
- Average UV index in September: 4
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in September
Las Flores, Uruguay
- Average cloud cover in September: 38
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 22).
Average visibility in September
Las Flores, Uruguay
- 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).
