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
The commencement of September notes an average high-temperature of a still cool 11.9°C (53.4°F), exhibiting little difference from the previous month. During the September nights, an average temperature of 2.8°C (37°F) is observed.Humidity
The average relative humidity in September is 67%.Rainfall
In September, the rain falls for 20 days. Throughout September, 59mm (2.32") of precipitation is accumulated. Throughout the year, there are 269.9 rainfall days, and 1197mm (47.13") of precipitation is accumulated.Snowfall
Months with snowfall are January through December. In Chilahuala, in September, during 4.9 snowfall days, 41mm (1.61") of snow is typically accumulated. Throughout the year, there are 51.5 snowfall days, and 446mm (17.56") of snow is accumulated.Daylight
The average length of the day in September is 12h and 1min.On the first day of September, sunrise is at 06:38 and sunset at 18:25. On the last day of the month, sunrise is at 06:14 and sunset at 18:29 -04.
Sunshine
The average sunshine in September is 9.6h.UV index
The months with the highest UV index are March through May, July through November, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take precautions - Protection against sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
How many days does it snow in September?
How many hours of daylight does Chilahuala have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
When is the highest UV index?
What is the UV index reading in September?
Average temperature in September
Chilahuala, Bolivia
- Average high temperature in September: 11.9°C
The warmest month (with the highest average high temperature) is November (13.2°C).
The month with the lowest average high temperature is July (11°C).
- Average low temperature in September: 2.8°C
The month with the highest average low temperature is December (5.7°C).
The coldest month (with the lowest average low temperature) is July (0.5°C).
Average pressure in September
Chilahuala, Bolivia
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Chilahuala, Bolivia
- Average wind speed in September: 9.5km/h
The windiest months (with the highest average wind speed) are September and October (9.5km/h).
The calmest month (with the lowest average wind speed) is May (7.6km/h).
Average humidity in September
Chilahuala, Bolivia
- Average humidity in September: 67%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (60%).
Average rainfall in September
Chilahuala, Bolivia
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is January (185mm).
The driest month (with the least rainfall) is June (17mm).
Average rainfall days in September
Chilahuala, Bolivia
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is January (30.2 days).
The month with the least rainy days is July (12.8 days).
Average snowfall in September
Chilahuala, Bolivia
- Average snowfall in September: 41mm
The month with the highest snowfall is July (80mm).
The month with the least snowfall is December (9mm).
Average snowfall days in September
Chilahuala, Bolivia
- Average snowfall days in September: 4.9 days
The month with the highest number of snowfall days is July (8.9 days).
The month with the least snowfall days is December (0.5 days).
Average daylight in September /
Average sunshine in September
Chilahuala, Bolivia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is November (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 7h and 42min).
Average sunshine days in September
Chilahuala, Bolivia
- Average sunshine days in September: 4.1 days
The month with the most sunshine days is July (10.9 days).
The month with the least sunshine days is January (0.2 days).
Average UV index in September
Chilahuala, Bolivia
- Average UV index in September: 3
The months with the highest UV index are March, April, May, July, August, September, October and November (UV index 3).
The months with the lowest UV index are January, February, June and December (UV index 2).
Average cloud cover in September
Chilahuala, Bolivia
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 16).
Average visibility in September
Chilahuala, Bolivia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
