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
September
Weather in September
Temperature
As Negritos, Peru, welcomes September, the average high-temperature is noted at a moderately hot 23.4°C (74.1°F), closely aligning with the preceding month. In the month of September, the average low-temperature usually rests at a refreshing 18°C (64.4°F).Humidity
The months with the highest humidity are July through October and December, with an average relative humidity of 77%.Rainfall
Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 1.1 rainfall days, it receives 1mm (0.04") of precipitation. In Negritos, during the entire year, the rain falls for 66.4 days and collects up to 128mm (5.04") of precipitation.Sea temperature
September is the month with the coldest seawater, with an average sea temperature of 18.3°C (64.9°F).Note: The majority of people do not enjoy swimming in 18.3°C (64.9°F). The difficulty in controlling breathing escalates as the temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September is 12h and 5min.On the first day of September, sunrise is at 06:24 and sunset at 18:25. On the last day of the month, sunrise is at 06:10 and sunset at 18:19 -05.
Sunshine
The average sunshine in September is 9.9h.UV index
In Negritos, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the most humid month?
What is the average humidity in September?
When does it start raining?
When is the sea coldest?
What is the sea temperature in September?
How many hours of daylight does Negritos have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Negritos have in September?
What is the UV index intensity in September?
Average temperature in September
Negritos, Peru
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is March (27.8°C).
The month with the lowest average high temperature is August (22.8°C).
- Average low temperature in September: 18°C
The months with the highest average low temperature are February and March (23.7°C).
The coldest month (with the lowest average low temperature) is August (17.8°C).
Average pressure in September
Negritos, Peru
- Average pressure in September: 1012.3mbar
The months with the highest atmospheric pressure are August, September and October (1012.3mbar).
The month with the lowest atmospheric pressure is February (1010.4mbar).
Average wind speed in September
Negritos, Peru
- Average wind speed in September: 21.2km/h
The windiest months (with the highest average wind speed) are July and August (21.7km/h).
The calmest month (with the lowest average wind speed) is March (12.4km/h).
Average humidity in September
Negritos, Peru
- Average humidity in September: 77%
The months with the highest relative humidity are July, August, September, October and December (77%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Negritos, Peru
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (42mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Negritos, Peru
- Average rainfall days in September: 1.1 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (0.3 days).
Average sea temperature in September
Negritos, Peru
- Average sea temperature in September: 18.3°C
The best month for swimming (with the highest average sea temperature) is February (23.4°C).
The coldest month (with the lowest average sea temperature) is September (18.3°C).
Average daylight in September /
Average sunshine in September
Negritos, Peru
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 8h and 36min).
Average sunshine days in September
Negritos, Peru
- Average sunshine days in September: 29 days
The month with the most sunshine days is August (30.8 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Negritos, Peru
- Average UV index in September: 6
The months with the highest UV index are January and February (UV index 7).
The month with the lowest UV index is August (UV index 5).
Average cloud cover in September
Negritos, Peru
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Negritos, 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).
