September weather forecastTacna, Peru
September
Weather in September
September signifies a gradual withdrawal of the winter season in Tacna. The city witnesses a climb in temperatures, offering a gentle respite from the frigid days of July and August. Clear skies, moderate winds, and semi-dry conditions still accompany the city. Tacna's weather continues to be devoid of substantial rainfall, maintaining the trend of dry months. Consequently, the arrival of spring is denoted by such weather changes in September.Temperature
Tacna notes an average high-temperature of a still comfortable 19.3°C (66.7°F) in September, displaying minor variation from August. During the nights in September, the temperature averages to a fresh 12.5°C (54.5°F).Humidity
August and September, with an average relative humidity of 68%, are the least humid months in Tacna.Rainfall
The months with the least rainfall in Tacna are June through September Rain falls for 1.1 days and accumulates 1mm (0.04") of rain.Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:47 and sunset at 17:34. On the last day of September, in Tacna, Peru, sunrise is at 05:23 and sunset at 17:38 -05.
Sunshine
In Tacna, the average sunshine in September is 9.9h.UV index
March through December, with an average maximum UV index of 5, are months with the lowest UV index in Tacna, Peru. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tacna, Peru
- Average high temperature in September: 19.3°C
The warmest months (with the highest average high temperature) are February and March (23°C).
The month with the lowest average high temperature is July (18.6°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is February (17.9°C).
The coldest month (with the lowest average low temperature) is August (11.9°C).
Average pressure in September
Tacna, Peru
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is February (1013.6mbar).
Average wind speed in September
Tacna, Peru
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is November (10.4km/h).
The calmest month (with the lowest average wind speed) is July (7.4km/h).
Average humidity in September
Tacna, Peru
- Average humidity in September: 68%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are August and September (68%).
Average rainfall in September
Tacna, Peru
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is January (24mm).
The driest months (with the least rainfall) are June, July, August and September (1mm).
Average rainfall days in September
Tacna, Peru
- Average rainfall days in September: 1.1 days
The month with the highest number of rainy days is February (14 days).
The month with the least rainy days is August (0.2 days).
Average daylight in September /
Average sunshine in September
Tacna, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is December (Average sunshine: 11h and 42min).
The months with the least sunshine are June and July (Average sunshine: 7h and 36min).
Average sunshine days in September
Tacna, Peru
- Average sunshine days in September: 25.1 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Tacna, Peru
- Average UV index in September: 5
The months with the highest UV index are January and February (UV index 6).
The months with the lowest UV index are March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Tacna, Peru
- Average cloud cover in September: 7
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Tacna, Peru
- 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).
