September weather forecastChave, Portugal
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Chave, Portugal, with an average temperature fluctuating between 15.3°C (59.5°F) and 24.5°C (76.1°F).Temperature
The high-temperature average in September for Chave is a still moderately hot 24.5°C (76.1°F), staying closely aligned with August's conditions. In Chave, an average nighttime temperature of 15.3°C (59.5°F) is expected during September.Humidity
September is the least humid month in Chave, Portugal, with an average relative humidity of 70%.Rainfall
In September, the rain falls for 5.8 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Chave, during the entire year, the rain falls for 125.4 days and collects up to 619mm (24.37") of precipitation.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 07:00 and sunset at 20:05. On the last day of September, sunrise is at 07:29 and sunset at 19:16 WEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
The months with the highest UV index in Chave are May through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chave, Portugal
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 15.3°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (7.6°C).
Average pressure in September
Chave, Portugal
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Chave, Portugal
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).
Average humidity in September
Chave, Portugal
- Average humidity in September: 70%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (70%).
Average rainfall in September
Chave, Portugal
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Chave, Portugal
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is November (14.9 days).
The month with the least rainy days is August (3.3 days).
Average daylight in September /
Average sunshine in September
Chave, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Chave, Portugal
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.9 days).
Average UV index in September
Chave, Portugal
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Chave, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 43).
The months with the least cloud cover are July, August and September (Cloud cover 19).
Average visibility in September
Chave, Portugal
- Average visibility in September: 9km
The months with the highest visibility are February, June and December (10km).
The months with the lowest visibility are January, March, April, May, July, August, September, October and November (9km).
