September weather forecastLamas, Peru
September
Weather in September
September, the first month of the spring in Lamas, is also a hot month, with an average temperature varying between 19.5°C (67.1°F) and 31.6°C (88.9°F).Temperature
Temperature readings reach their annual highs in September, averaging 31.6°C (88.9°F) and a minimum average of 19.5°C (67.1°F).Heat index
In September, the average heat index is calculated to be a very hot 39°C (102.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Heat index details are generally centered around shaded locations and a mild breeze. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
September is the least humid month, with an average relative humidity of 69%.Rainfall
In Lamas, in September, during 15.5 rainfall days, 72mm (2.83") of precipitation is typically accumulated. Throughout the year, there are 246.6 rainfall days, and 1162mm (45.75") of precipitation is accumulated.Daylight
In Lamas, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 06:05 and sunset at 18:05. On the last day of the month, sunrise is at 05:50 and sunset at 18:00 -05.
Sunshine
With an average of 9.9h of sunshine, September has the most sunshine of the year.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 during September leads to these advisories:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lamas, Peru
- Average high temperature in September: 31.6°C
The warmest month (with the highest average high temperature) is September (31.6°C).
The month with the lowest average high temperature is February (28.9°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is November (20.3°C).
The coldest month (with the lowest average low temperature) is July (18°C).
Average pressure in September
Lamas, Peru
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is July (1015mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in September
Lamas, Peru
- Average wind speed in September: 4.2km/h
The windiest month (with the highest average wind speed) is December (4.7km/h).
The calmest month (with the lowest average wind speed) is May (3.7km/h).
Average humidity in September
Lamas, Peru
- Average humidity in September: 69%
The months with the highest relative humidity are February, March and April (82%).
The month with the lowest relative humidity is September (69%).
Average rainfall in September
Lamas, Peru
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is March (136mm).
The driest month (with the least rainfall) is August (62mm).
Average rainfall days in September
Lamas, Peru
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is March (25.3 days).
The month with the least rainy days is August (15.1 days).
Average daylight in September /
Average sunshine in September
Lamas, Peru
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is May (Average sunshine: 6h and 18min).
Average sunshine days in September
Lamas, Peru
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is February (3.6 days).
Average UV index in September
Lamas, Peru
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Lamas, Peru
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in September
Lamas, Peru
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January, February, March, April, May and June (7km).
