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
Entering September, the average high-temperature is recorded at a still pleasant 21.4°C (70.5°F), exhibiting a minimal shift from August's 21.2°C (70.2°F). The nighttime temperature in Las Vegas, Peru, demonstrates a marginal decline, averaging at a comfortable 16.5°C (61.7°F) during September.Humidity
The months with the highest humidity are June through September, with an average relative humidity of 81%.Rainfall
The months with the least rainfall are August and September Rain falls for 2.2 days and accumulates 2mm (0.08") of rain.Daylight
In September, the average length of the day in Las Vegas is 12h and 4min.On the first day of the month, sunrise is at 06:19 and sunset at 18:18. On the last day of September, sunrise is at 06:03 and sunset at 18:13 -05.
Sunshine
The average sunshine in September in Las Vegas is 9.7h.UV index
The months with the lowest UV index in Las Vegas are July through October, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Las Vegas in September?
What is the most humid month in Las Vegas?
What is the average humidity in September in Las Vegas?
What is the driest month in Las Vegas?
How much does it rain in Las Vegas in September?
How many hours of daylight does Las Vegas have in September?
What time are sunrise and sunset in September in Las Vegas?
How long on average sun shines in September in Las Vegas?
What is the month with the lowest UV index in Las Vegas?
What is the UV index reading in September in Las Vegas?
Average temperature in September
Las Vegas, Peru
- Average high temperature in September: 21.4°C
The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is August (21.2°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is February (23°C).
The coldest month (with the lowest average low temperature) is September (16.5°C).
Average pressure in September
Las Vegas, Peru
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is August (1014.1mbar).
The month with the lowest atmospheric pressure is February (1011.9mbar).
Average wind speed in September
Las Vegas, Peru
- Average wind speed in September: 17km/h
The windiest month (with the highest average wind speed) is July (17.5km/h).
The calmest month (with the lowest average wind speed) is March (13.3km/h).
Average humidity in September
Las Vegas, Peru
- Average humidity in September: 81%
The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).
Average rainfall in September
Las Vegas, Peru
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is March (29mm).
The driest months (with the least rainfall) are August and September (2mm).
Average rainfall days in September
Las Vegas, Peru
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is March (12.6 days).
The month with the least rainy days is August (1 days).
Average daylight in September /
Average sunshine in September
Las Vegas, 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 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The months with the least sunshine are February and March (Average sunshine: 9h and 12min).
Average sunshine days in September
Las Vegas, Peru
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is March (16.6 days).
Average UV index in September
Las Vegas, Peru
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, November and December (UV index 6).
The months with the lowest UV index are July, August, September and October (UV index 5).
Average cloud cover in September
Las Vegas, Peru
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in September
Las Vegas, 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).
Las Vegas, Peru
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