September weather forecastCalca, Peru
September
Weather in September
September, the first month of the spring in Calca, is also a moderate month, with temperature in the range of an average low of 5.1°C (41.2°F) and an average high of 14.5°C (58.1°F).Temperature
The introduction of September notes a subtle temperature variation to a still refreshing 14.5°C (58.1°F) from August's 14.3°C (57.7°F). During September, Calca witnesses a consistent average low-temperature of 5.1°C (41.2°F).Humidity
In September, the average relative humidity is 64%.Rainfall
In Calca, in September, during 12.9 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Calca, Peru, during the entire year, the rain falls for 204.7 days and collects up to 708mm (27.87") of precipitation.Snowfall
Months with snowfall are February through September. The months with the most snowfall in Calca, Peru, are July and September, with an average 4mm (0.16") of accumulated snow.Daylight
The average length of the day in September in Calca is 12h and 2min.On the first day of the month, sunrise is at 05:51 and sunset at 17:43. On the last day of September, sunrise is at 05:31 and sunset at 17:44 -05.
Sunshine
In September, the average sunshine in Calca is 9.6h.UV index
The months with the lowest UV index are January through September and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Calca, Peru
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is November (15.6°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is November (7.1°C).
The coldest month (with the lowest average low temperature) is July (1.8°C).
Average pressure in September
Calca, Peru
- Average pressure in September: 1018.1mbar
The months with the highest atmospheric pressure are June and July (1020mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Calca, Peru
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is October (8.7km/h).
The calmest month (with the lowest average wind speed) is June (7km/h).
Average humidity in September
Calca, Peru
- Average humidity in September: 64%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Calca, Peru
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is February (121mm).
The driest month (with the least rainfall) is June (8mm).
Average rainfall days in September
Calca, Peru
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is December (24.7 days).
The month with the least rainy days is June (6.2 days).
Average snowfall in September
Calca, Peru
- Average snowfall in September: 4mm
The months with the highest snowfall are July and September (4mm).
The months with the least snowfall are January, October, November and December (0mm).
Average snowfall days in September
Calca, Peru
- Average snowfall days in September: 0.4 days
The months with the highest number of snowfall days are March and July (1.4 days).
The months with the least snowfall days are October and November (0 days).
Average daylight in September /
Average sunshine in September
Calca, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 7h and 18min).
Average sunshine days in September
Calca, Peru
- Average sunshine days in September: 6.9 days
The month with the most sunshine days is June (18.5 days).
The month with the least sunshine days is February (2.8 days).
Average UV index in September
Calca, Peru
- Average UV index in September: 3
The months with the highest UV index are October and November (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 3).
Average cloud cover in September
Calca, Peru
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Calca, Peru
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).





