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 snowfall in September
- Average snowfall 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
September
Weather in September
Temperature
With the advent of September, Acain's high-temperatures adjust to a still cool 11.9°C (53.4°F), closely aligning with the preceding month. Throughout September, Acain records an average temperature of 2.7°C (36.9°F) at night.Humidity
In September, the average relative humidity is 74%.Rainfall
In Acain, in September, it is raining for 18.9 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, in Acain, Peru, there are 265.7 rainfall days, and 1106mm (43.54") of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In Acain, in September, snow falls for 5.6 days, with typically accumulated 33mm (1.3") of snow. Throughout the year, there are 91.8 snowfall days, and 809mm (31.85") of snow is accumulated.Daylight
The average length of the day in September is 12h and 3min.On the first day of the month, sunrise is at 06:09 and sunset at 18:04. On the last day of September, sunrise is at 05:51 and sunset at 18:02 -05.
Sunshine
In September, the average sunshine is 10.7h.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Prioritize safety - Recommendations to avert sunburn are shared. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
How much does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Acain have in September?
What are the months with the highest UV index?
What is the UV index intensity in September?
Average temperature in September
Acain, Peru
- Average high temperature in September: 11.9°C
The warmest month (with the highest average high temperature) is November (13.9°C).
The month with the lowest average high temperature is July (11°C).
- Average low temperature in September: 2.7°C
The month with the highest average low temperature is December (5°C).
The coldest month (with the lowest average low temperature) is July (0.3°C).
Average pressure in September
Acain, Peru
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Acain, Peru
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is September (9.6km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Acain, Peru
- Average humidity in September: 74%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
Acain, Peru
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is February (176mm).
The driest month (with the least rainfall) is June (14mm).
Average rainfall days in September
Acain, Peru
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is January (29.5 days).
The month with the least rainy days is June (11.4 days).
Average snowfall in September
Acain, Peru
- Average snowfall in September: 33mm
The month with the highest snowfall is January (137mm).
The month with the least snowfall is June (19mm).
Average snowfall days in September
Acain, Peru
- Average snowfall days in September: 5.6 days
The months with the highest number of snowfall days are January and August (9.7 days).
The month with the least snowfall days is November (5.5 days).
Average daylight in September /
Average sunshine in September
Acain, 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 30min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).
Average sunshine days in September
Acain, Peru
- Average sunshine days in September: 5.4 days
The month with the most sunshine days is June (12.3 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in September
Acain, Peru
- Average UV index in September: 3
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 3).
The months with the lowest UV index are June and July (UV index 2).
Average cloud cover in September
Acain, Peru
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Acain, Peru
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
