PortugalAverage weather for Terceira in September
It's warm in September in Terceira with an average temperature of 25°C. Temperatures this month range from a low of 24°C to a high of 26°C. At night, you can expect temperatures between 19°C and 21°C.
Start of September
The month of September starts in Terceira with warm temps, averaging around 26°C during the day and nights around 21°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps drop to around 25°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of September
By the end of September, the average daytime temperature in Terceira is around 25°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.
In September, there is an average of 62 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.
Terceira in September |
New York | ||
|---|---|---|---|
 Average temperature |
25°C | 27°C | |
 Max. temperature |
26°C | 31°C | |
| Min. temperature |
24°C | -5°C | |
 Total precipitation |
62 mm | 57 mm | |
| Rainy days |
8 days | 9 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Terceira?
Looking for great weather? September is a good time to be in Terceira. The temperatures are nice, and there’s not too much rain.
Temperature records
With 28°C in 2023, Terceira reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 19°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 24°C.
Check out the climate of Terceira for all months and discover the best travel time
The climate in Terceira is based on weather data from . Other places, like Algarve, Lisbon or Albufeira, might have different weather. You can check out all destinations in Terceira to get the full picture of the climate.
Daily Temperature in September in Terceira
This chart shows the average daily high and low temperatures in September for Terceira, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Terceira
The chart below shows the average daily precipitation in September for Terceira, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Terceira.
Daily UV index in September in Terceira
This chart shows the average daily UV index in September in Terceira, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Terceira over the years
This chart shows the average temperature in September in Terceira, measured in degrees Celsius, over the past few years.
Total precipitation in September in Terceira over the years
This chart shows the average precipitation in September in Terceira, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Terceira
Click on any day in September to get detailed info about the usual weather on that day in Terceira. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Terceira
Have you been to Terceira in September?
Share your weather experience in September in Terceira.
Average weather in Terceira by month
Click on a month below to see detailed weather info for Terceira. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
