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
Idães experiences an average high-temperature of a still moderately hot 25.8°C (78.4°F) in September, subtly different from August's 27.8°C (82°F). September nights indicate a noticeable temperature drop from the daytime highs, with an average reading lowering to a moderate 13.3°C (55.9°F).Humidity
In September, the average relative humidity is 64%.Rainfall
In Idães, in September, it is raining for 7.5 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, there are 138 rainfall days, and 860mm (33.86") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
In September, the average length of the day in Idães is 12h and 28min.On the first day of September, sunrise is at 06:59 and sunset at 20:05. On the last day of the month, sunrise is at 07:29 and sunset at 19:16 WEST.
Sunshine
In Idães, Portugal, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Idães 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: In September, the UV index of 5 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Idães in September?
What is the average humidity in September in Idães?
How much does it rain in Idães in September?
When it does not snow in Idães?
What is the average length of the day in September in Idães?
When are sunrise and sunset in September in Idães?
How long on average sun shines in September in Idães?
What is the UV index intensity in September in Idães?
Average temperature in September
Idães, 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
Idães, 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
Idães, 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
Idães, 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
Idães, 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
Idães, 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
Idães, 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
Idães, 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
Idães, 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
Idães, Portugal
- Average sunshine days in September: 21 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
Idães, 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
Idães, 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
Idães, 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).
