Average Weather in September in Huaylillas Peru
Daily high temperatures are around 66°F, rarely falling below 62°F or exceeding 70°F.
Daily low temperatures are around 46°F, rarely falling below 42°F or exceeding 49°F.
For reference, on September 28, the hottest day of the year, temperatures in Huaylillas typically range from 46°F to 66°F, while on July 16, the coldest day of the year, they range from 42°F to 63°F.
Average High and Low Temperature in September
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in September
Eureka, California, United States (4,509 miles away); Carmel Valley Village, California, United States (4,225 miles); and Natubleng, Philippines (11,094 miles) are the far-away foreign places with temperatures most similar to Huaylillas (view comparison).
The month of September in Huaylillas experiences rapidly increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 54% to 68%.
The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 46% of the time.
For reference, on March 1, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 92%, while on July 30, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 60%.
Cloud Cover Categories in September
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Huaylillas, the chance of a wet day over the course of September is very rapidly increasing, starting the month at 9% and ending it at 21%.
For reference, the year's highest daily chance of a wet day is 39% on March 8, and its lowest chance is 6% on August 8.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Huaylillas is increasing, starting the month at 0.5 inches, when it rarely exceeds 1.1 inches or falls below 0.1 inches, and ending the month at 1.3 inches, when it rarely exceeds 2.4 inches or falls below 0.3 inches.
Average Monthly Rainfall in September
Over the course of September in Huaylillas, the length of the day is essentially constant. The shortest day of the month is September 1, with 11 hours, 57 minutes of daylight and the longest day is September 30, with 12 hours, 10 minutes of daylight.
Hours of Daylight and Twilight in September
The latest sunrise of the month in Huaylillas is 6:10 AM on September 1 and the earliest sunrise is 16 minutes earlier at 5:54 AM on September 30.
The latest sunset is 6:07 PM on September 1 and the earliest sunset is 4 minutes earlier at 6:04 PM on September 30.
Daylight saving time is not observed in Huaylillas during 2018.
For reference, on December 21, the longest day of the year, the Sun rises at 5:49 AM and sets 12 hours, 36 minutes later, at 6:25 PM, while on June 21, the shortest day of the year, it rises at 6:21 AM and sets 11 hours, 39 minutes later, at 6:00 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Huaylillas is essentially constant during September, remaining around 0% throughout.
Humidity Comfort Levels in September
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Huaylillas is gradually decreasing during September, decreasing from 7.7 miles per hour to 7.2 miles per hour over the course of the month.
For reference, on August 22, the windiest day of the year, the daily average wind speed is 7.7 miles per hour, while on March 16, the calmest day of the year, the daily average wind speed is 5.2 miles per hour.
Average Wind Speed in September
Wind Direction in September
Temperatures in Huaylillas are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Huaylillas are gradually increasing during September, increasing by 147°F, from 248°F to 394°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Huaylillas is essentially constant during September, remaining within 0.1 kWh of 6.4 kWh throughout.
The highest average daily incident shortwave solar energy during September is 6.5 kWh on September 7.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Huaylillas are -8.187 deg latitude, -77.342 deg longitude, and 10,007 ft elevation.
The topography within 2 miles of Huaylillas contains extreme variations in elevation, with a maximum elevation change of 5,751 feet and an average elevation above sea level of 9,512 feet. Within 10 miles also contains extreme variations in elevation (9,600 feet). Within 50 miles also contains extreme variations in elevation (18,123 feet).
The area within 2 miles of Huaylillas is covered by shrubs (80%) and trees (10%), within 10 miles by shrubs (43%) and grassland (33%), and within 50 miles by trees (32%) and grassland (32%).
This report illustrates the typical weather in Huaylillas year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Huaylillas is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Huaylillas, according to the International Standard Atmosphere .
Time zones for aiports and weather stations are provided by AskGeo.com .