September weather forecastAlerre, Spain
September
Weather in September
September, the first month of the autumn in Alerre, is still a warm month, with an average temperature ranging between min 14.7°C (58.5°F) and max 25.8°C (78.4°F).Temperature
September comes with a decrease in the average high-temperature, falling from a tropical 30.8°C (87.4°F) in August to a moderately hot 25.8°C (78.4°F). Alerre, in September, observes a steady average low-temperature of 14.7°C (58.5°F).Humidity
The average relative humidity in September is 56%.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Alerre, Spain, during the entire year, the rain falls for 109.3 days and collects up to 371mm (14.61") of precipitation.Snowfall
In Alerre, snow does not fall in April through October.Daylight
In Alerre, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 07:27 and sunset at 20:35. On the last day of the month, sunrise is at 07:58 and sunset at 19:44 CEST.
Sunshine
In September, the average sunshine is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alerre, Spain
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (18.6°C).
The coldest months (with the lowest average low temperature) are January and February (2.2°C).
Average pressure in September
Alerre, Spain
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Alerre, Spain
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).
Average humidity in September
Alerre, Spain
- Average humidity in September: 56%
The month with the highest relative humidity is December (73%).
The month with the lowest relative humidity is July (48%).
Average rainfall in September
Alerre, Spain
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is October (59mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Alerre, Spain
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is April (12.8 days).
The month with the least rainy days is December (5.6 days).
Average snowfall in September
Alerre, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Alerre, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Alerre, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
Alerre, Spain
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in September
Alerre, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Alerre, Spain
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Alerre, Spain
- 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).
