September weather forecastMerlo, Argentina
September
Weather in September
September, the first month of the spring in Merlo, is still a refreshing month, with an average temperature ranging between max 18.1°C (64.6°F) and min 9.7°C (49.5°F).Temperature
September registers an average high-temperature of a still comfortable 18.1°C (64.6°F), slightly varied from August's 16.7°C (62.1°F). Nighttime temperatures in September average to a chilly 9.7°C (49.5°F) in Merlo.Humidity
The average relative humidity in September in Merlo is 74%.Rainfall
September is the month with the least rainfall in Merlo. Rain falls for 4.6 days and accumulates 5mm (0.2") of precipitation.Daylight
The average length of the day in September in Merlo is 11h and 53min.On the first day of September in Merlo, sunrise is at 07:12 and sunset at 18:36. On the last day of the month, sunrise is at 06:31 and sunset at 18:57 -03.
Sunshine
In Merlo, the average sunshine in September is 7.8h.UV index
In Merlo, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Merlo, Argentina
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is January (31.3°C).
The month with the lowest average high temperature is July (13.9°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).
Average pressure in September
Merlo, Argentina
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in September
Merlo, Argentina
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest month (with the lowest average wind speed) is March (12.7km/h).
Average humidity in September
Merlo, Argentina
- Average humidity in September: 74%
The months with the highest relative humidity are May and July (76%).
The month with the lowest relative humidity is January (55%).
Average rainfall in September
Merlo, Argentina
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is October (22mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Merlo, Argentina
- Average rainfall days in September: 4.6 days
The months with the highest number of rainy days are April and October (6.8 days).
The month with the least rainy days is August (4.1 days).
Average daylight in September /
Average sunshine in September
Merlo, Argentina
- Average daylight in September: 11h and 54min
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 48min
The month with the most sunshine is December (Average sunshine: 11h and 18min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in September
Merlo, Argentina
- Average sunshine days in September: 23.2 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in September
Merlo, Argentina
- Average UV index in September: 4
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in September
Merlo, Argentina
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in September
Merlo, Argentina
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
