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 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
The average high-temperature in September, at a still agreeable 21.2°C (70.2°F), reveals a modest deviation from August's 20.8°C (69.4°F). In Illimo, the September nights are characterized by an average low-temperature of 16.3°C (61.3°F), a minor dip from daytime readings.Humidity
July through September, with an average relative humidity of 83%, are the most humid months in Illimo.Rainfall
August, September and November are months with the least rain when the rain falls for 3.7 days and typically aggregates up to 4mm (0.16") of rain.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 06:19 and sunset at 18:19. On the last day of September, sunrise is at 06:04 and sunset at 18:14 -05.
Sunshine
In September, the average sunshine is 9.2h.UV index
June through November, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Illimo in September?
What is the most humid month in Illimo?
What is the average humidity in September in Illimo?
What is the driest month in Illimo?
How much does it rain in Illimo in September?
What is the average length of the day in September in Illimo?
When is the sunrise / sunset in September in Illimo?
How long on average sun shines in September in Illimo?
What is the month with the lowest UV index in Illimo?
How high is the UV index in September in Illimo?
Average temperature in September
Illimo, Peru
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is August (20.8°C).
- Average low temperature in September: 16.3°C
The month with the highest average low temperature is February (23.1°C).
The coldest months (with the lowest average low temperature) are August and September (16.3°C).
Average pressure in September
Illimo, Peru
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is August (1014mbar).
The month with the lowest atmospheric pressure is February (1011.8mbar).
Average wind speed in September
Illimo, Peru
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is July (19.2km/h).
The calmest month (with the lowest average wind speed) is March (14.2km/h).
Average humidity in September
Illimo, Peru
- Average humidity in September: 83%
The months with the highest relative humidity are July, August and September (83%).
The month with the lowest relative humidity is February (73%).
Average rainfall in September
Illimo, Peru
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is March (33mm).
The driest months (with the least rainfall) are August, September and November (4mm).
Average rainfall days in September
Illimo, Peru
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (3.1 days).
Average daylight in September /
Average sunshine in September
Illimo, Peru
- Average daylight in September: 12h and 1min
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 1min
The month with the most sunshine is November (Average sunshine: 10h and 42min).
The months with the least sunshine are March and June (Average sunshine: 9h and 6min).
Average sunshine days in September
Illimo, Peru
- Average sunshine days in September: 10 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is September (10 days).
Average UV index in September
Illimo, Peru
- Average UV index in September: 5
The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Illimo, Peru
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is April (Cloud cover 32).
Average visibility in September
Illimo, 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).
Illimo, Peru
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