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
As September unfolds, the average high-temperature reaches an agreeable 22.5°C (72.5°F), hinting at a slight fluctuation from the previous month. Angostura records an average low-temperature of 17.1°C (62.8°F) throughout the month of September.Humidity
In Angostura, Costa Rica, the average relative humidity in September is 90%.Rainfall
In September, the rain falls for 29.5 days. Throughout September, 341mm (13.43") of precipitation is accumulated. In Angostura, during the entire year, the rain falls for 294.6 days and collects up to 2842mm (111.89") of precipitation.Daylight
In Angostura, the average length of the day in September is 12h and 10min.On the first day of September, sunrise is at 05:25 and sunset at 17:43. On the last day of the month, sunrise is at 05:23 and sunset at 17:25 CST.
Sunshine
In September, the average sunshine is 7.3h.UV index
The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are the temperatures in Angostura in September?
What is the average humidity in September in Angostura?
How much does it rain in Angostura in September?
What is the average length of the day in September in Angostura?
When are sunrise and sunset in September in Angostura?
How long on average sun shines in September in Angostura?
When is the lowest UV index in Angostura?
What is the UV index intensity in September in Angostura?
Average temperature in September
Angostura, Costa Rica
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is March (26.2°C).
The month with the lowest average high temperature is October (22.2°C).
- Average low temperature in September: 17.1°C
The month with the highest average low temperature is May (17.4°C).
The coldest month (with the lowest average low temperature) is January (15.3°C).
Average pressure in September
Angostura, Costa Rica
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1011mbar).
Average wind speed in September
Angostura, Costa Rica
- Average wind speed in September: 3.1km/h
The windiest month (with the highest average wind speed) is February (5.6km/h).
The calmest month (with the lowest average wind speed) is September (3.1km/h).
Average humidity in September
Angostura, Costa Rica
- Average humidity in September: 90%
The month with the highest relative humidity is October (91%).
The months with the lowest relative humidity are February and March (75%).
Average rainfall in September
Angostura, Costa Rica
- Average rainfall in September: 341mm
The wettest month (with the highest rainfall) is October (479mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in September
Angostura, Costa Rica
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is August (30.9 days).
The month with the least rainy days is February (11.4 days).
Average daylight in September /
Average sunshine in September
Angostura, Costa Rica
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is February (Average sunshine: 9h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 24min).
Average sunshine days in September
Angostura, Costa Rica
- Average sunshine days in September: 0.5 days
The month with the most sunshine days is February (14.5 days).
The month with the least sunshine days is August (0 days).
Average UV index in September
Angostura, Costa Rica
- Average UV index in September: 5
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Angostura, Costa Rica
- Average cloud cover in September: 55
The month with the most cloud cover is October (Cloud cover 59).
The month with the least cloud cover is February (Cloud cover 22).
Average visibility in September
Angostura, Costa Rica
- Average visibility in September: 7km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are September and October (7km).
Angostura, Costa Rica
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