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
Weather in September
Temperature
The transition into September notes an average high-temperature of a still moderately hot 25.8°C (78.4°F), revealing a mild distinction from the 27.8°C (82°F) in August. A stark contrast in day to night temperatures can be seen in September, with an average low-temperature of 13.3°C (55.9°F).Humidity
The average relative humidity in September in Gondomar is 64%.Rainfall
In Gondomar, in September, during 7.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Gondomar, there are 138 rainfall days, and 860mm (33.86") of precipitation is accumulated.Snowfall
In Gondomar, Portugal, snow does not fall in February through December.Daylight
In Gondomar, Portugal, the average length of the day in September is 12h and 28min.On the first day of September in Gondomar, sunrise is at 07:01 and sunset at 20:06. On the last day of the month, sunrise is at 07:30 and sunset at 19:17 WEST.
Sunshine
The average sunshine in September in Gondomar is 9.1h.UV index
In Gondomar, Portugal, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the usual temperature for Gondomar in September?
What is the average humidity in September in Gondomar?
How many days does it rain in September in Gondomar?
When it does not snow in Gondomar?
How many hours of daylight does Gondomar have in September?
What time are sunrise and sunset in September in Gondomar?
How long on average sun shines in September in Gondomar?
What is the UV index reading in September in Gondomar?
Average temperature in September
Gondomar, Portugal
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (11.4°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (4.7°C).
Average pressure in September
Gondomar, Portugal
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Gondomar, Portugal
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is September (6.5km/h).
Average humidity in September
Gondomar, Portugal
- Average humidity in September: 64%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Gondomar, Portugal
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (131mm).
The driest month (with the least rainfall) is July (10mm).
Average rainfall days in September
Gondomar, Portugal
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in September
Gondomar, Portugal
- Average snowfall in September: 0mm
The month with the highest snowfall is January (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Gondomar, Portugal
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Gondomar, Portugal
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Gondomar, Portugal
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (11.9 days).
Average UV index in September
Gondomar, Portugal
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Gondomar, Portugal
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Gondomar, Portugal
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Gondomar, Portugal
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