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
September
Weather in September
Temperature
The average high-temperature during September registers at a still moderately hot 25.8°C (78.4°F), closely corresponding to the preceding month. Lamaçães experiences a consistent, yet significant, drop from daily highs to a low-temperature of 13.8°C (56.8°F) throughout September.Humidity
In Lamaçães, Portugal, the average relative humidity in September is 65%.Rainfall
In September, in Lamaçães, the rain falls for 7.4 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Lamaçães, during the entire year, the rain falls for 139.7 days and collects up to 924mm (36.38") of precipitation.Snowfall
In Lamaçães, snow does not fall in February through December.Daylight
In September, the average length of the day in Lamaçães is 12h and 28min.On the first day of the month, sunrise is at 07:00 and sunset at 20:06. On the last day of September, sunrise is at 07:29 and sunset at 19:16 WEST.
Sunshine
In Lamaçães, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Lamaçães?
What is the average humidity in September in Lamaçães?
How many days does it rain in September in Lamaçães?
When it does not snow in Lamaçães?
What is the average length of the day in September in Lamaçães?
When is the sunrise / sunset in September in Lamaçães?
How many hours of sunshine does Lamaçães have in September?
What is the UV index reading in September in Lamaçães?
Average temperature in September
Lamaçães, Portugal
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in September
Lamaçães, Portugal
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Lamaçães, Portugal
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Lamaçães, Portugal
- Average humidity in September: 65%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Lamaçães, Portugal
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (136mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in September
Lamaçães, Portugal
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is January (15.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in September
Lamaçães, 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
Lamaçães, 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
Lamaçães, 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 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Lamaçães, Portugal
- Average sunshine days in September: 20.9 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in September
Lamaçães, Portugal
- Average UV index in September: 5
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in September
Lamaçães, Portugal
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in September
Lamaçães, 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).
