September weather forecastCastillos, Uruguay
September
Weather in September
The first month of the spring, September, is still a refreshing month in Castillos, Uruguay, with an average temperature varying between 9.9°C (49.8°F) and 17.6°C (63.7°F).Temperature
The beginning of September reveals an average high-temperature of a still comfortable 17.6°C (63.7°F), showing minimal deviation from the previous month. In Castillos, an average low-temperature of 9.9°C (49.8°F) is recorded during September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In Castillos, in September, during 11.3 rainfall days, 59mm (2.32") of precipitation is typically accumulated. Throughout the year, there are 129.5 rainfall days, and 692mm (27.24") of precipitation is accumulated.Daylight
In Castillos, the average length of the day in September is 11h and 54min.On the first day of September, sunrise is at 06:52 and sunset at 18:17. On the last day of the month, sunrise is at 06:12 and sunset at 18:37 -03.
Sunshine
The average sunshine in September is 7h.UV index
The months with the lowest UV index in Castillos are April through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castillos, Uruguay
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (14.6°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.9°C).
Average pressure in September
Castillos, Uruguay
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Castillos, Uruguay
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is September (17.6km/h).
The calmest month (with the lowest average wind speed) is May (14.7km/h).
Average humidity in September
Castillos, Uruguay
- Average humidity in September: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Castillos, Uruguay
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the least rainfall) is March (45mm).
Average rainfall days in September
Castillos, Uruguay
- Average rainfall days in September: 11.3 days
The months with the highest number of rainy days are March and October (12 days).
The month with the least rainy days is June (9.1 days).
Average daylight in September /
Average sunshine in September
Castillos, Uruguay
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is January (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days in September
Castillos, Uruguay
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in September
Castillos, Uruguay
- Average UV index in September: 4
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in September
Castillos, Uruguay
- Average cloud cover in September: 42
The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in September
Castillos, Uruguay
- Average visibility in September: 9km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
