Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, the average high-temperature in Lima registers at a still agreeable 20.5°C, nearly identical to August's 20°C. Throughout the month of September, the nighttime temperature dips to an average of 15.3°C.Humidity
August and September, with an average relative humidity of 75%, are the least humid months in Lima, Peru.Rainfall
In September, in Lima, Peru, the rain falls for 1.3 days. Throughout September, 1mm of precipitation is accumulated. In Lima, during the entire year, the rain falls for 22.6 days and collects up to 18mm of precipitation.Sea temperature
September is the month with the coldest seawater, with an average sea temperature of 15.8°C.Note: Swimming in water at 15.8°C is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C to 15°C.
Daylight
In September, the average length of the day is 12h and 2min.On the first day of the month, sunrise is at 06:11 and sunset at 18:04. On the last day of September, in Lima, sunrise is at 05:52 and sunset at 18:04 -05.
Sunshine
In Lima, the average sunshine in September is 10.5h.UV index
May through October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
FAQ
What are September temperatures in Lima?
What are the least humid months in Lima?
What is the average humidity in September in Lima?
How many days does it rain in September in Lima?
When is the sea coldest in Lima?
How cold is the water in September in Lima?
What is the average length of the day in September in Lima?
When is the sunrise / sunset in September in Lima?
How many hours of sunshine does Lima have in September?
What are the months with the lowest UV index in Lima?
What is the UV index intensity in September in Lima?
Average temperature in September
Lima, Peru
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is February (25.4°C).
The month with the lowest average high temperature is August (20°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is February (21.4°C).
The coldest month (with the lowest average low temperature) is August (14.9°C).
Average pressure in September
Lima, Peru
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is August (1016.4mbar).
The month with the lowest atmospheric pressure is February (1013.8mbar).
Average wind speed in September
Lima, Peru
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is September (13.1km/h).
The calmest month (with the lowest average wind speed) is February (10.4km/h).
Average humidity in September
Lima, Peru
- Average humidity in September: 75%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in September
Lima, Peru
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is February (4mm).
The driest month (with the least rainfall) is May (0mm).
Average rainfall days in September
Lima, Peru
- Average rainfall days in September: 1.3 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is November (0.2 days).
Average sea temperature in September
Lima, Peru
- Average sea temperature in September: 15.8°C
The best month for swimming (with the highest average sea temperature) is March (20.9°C).
The coldest month (with the lowest average sea temperature) is September (15.8°C).
Average daylight in September /
Average sunshine in September
Lima, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 10h and 3min
The month with the most sunshine is October (Average sunshine: 12h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).
Average sunshine days in September
Lima, Peru
- Average sunshine days in September: 28.6 days
The months with the most sunshine days are August and October (30 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in September
Lima, Peru
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 5).
Average cloud cover in September
Lima, Peru
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Lima, 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).
Lima, Peru
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