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 sea temperature 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 beginning of September records an average high-temperature of a still pleasant 21.5°C (70.7°F), almost echoing the conditions of the previous month. The low-temperature averages to a mild 14.5°C (58.1°F) during the nights of September.Humidity
The months with the highest humidity in São Francisco do Sul are February, March, May, September and October, with an average relative humidity of 87%.Rainfall
In São Francisco do Sul, Brazil, in September, during 17.5 rainfall days, 82mm (3.23") of precipitation is typically accumulated. Throughout the year, in São Francisco do Sul, there are 232.1 rainfall days, and 1150mm (45.28") of precipitation is accumulated.Sea temperature
July through September, with an average sea temperature of 18.8°C (65.8°F), are months with the coldest seawater.Note: Swimming in water at 18.8°C (65.8°F) is not a pleasurable experience for most. The task of managing breathing becomes more challenging as the water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In São Francisco do Sul, the average length of the day in September is 11h and 57min.On the first day of September, sunrise is at 06:26 and sunset at 18:02. On the last day of the month, sunrise is at 05:54 and sunset at 18:14 -03.
Sunshine
In September, the average sunshine is 6.6h.UV index
In São Francisco do Sul, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in São Francisco do Sul?
What are the most humid months in São Francisco do Sul?
What is the average humidity in September in São Francisco do Sul?
How much does it rain in São Francisco do Sul in September?
What months are the sea coldest in São Francisco do Sul?
How cold is the water in September in São Francisco do Sul?
What is the average length of the day in September in São Francisco do Sul?
What time are sunrise and sunset in September in São Francisco do Sul?
How long on average sun shines in September in São Francisco do Sul?
What is the UV index reading in September in São Francisco do Sul?
Average temperature in September
São Francisco do Sul, Brazil
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (19.8°C).
- Average low temperature in September: 14.5°C
The months with the highest average low temperature are January and February (20.3°C).
The coldest month (with the lowest average low temperature) is July (12.9°C).
Average pressure in September
São Francisco do Sul, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in September
São Francisco do Sul, Brazil
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is June (6.8km/h).
Average humidity in September
São Francisco do Sul, Brazil
- Average humidity in September: 87%
The months with the highest relative humidity are February, March, May, September and October (87%).
The month with the lowest relative humidity is August (85%).
Average rainfall in September
São Francisco do Sul, Brazil
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is February (135mm).
The driest month (with the least rainfall) is August (64mm).
Average rainfall days in September
São Francisco do Sul, Brazil
- Average rainfall days in September: 17.5 days
The months with the highest number of rainy days are January and December (23.9 days).
The month with the least rainy days is August (14.7 days).
Average sea temperature in September
São Francisco do Sul, Brazil
- Average sea temperature in September: 18.8°C
The best month for swimming (with the highest average sea temperature) is February (26.6°C).
The coldest months (with the lowest average sea temperature) are July, August and September (18.8°C).
Average daylight in September /
Average sunshine in September
São Francisco do Sul, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 12min).
The month with the least sunshine is October (Average sunshine: 5h and 54min).
Average sunshine days in September
São Francisco do Sul, Brazil
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is August (13 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
São Francisco do Sul, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, March and December (UV index 6).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in September
São Francisco do Sul, Brazil
- Average cloud cover in September: 52
The month with the most cloud cover is October (Cloud cover 61).
The months with the least cloud cover are June, July and August (Cloud cover 45).
Average visibility in September
São Francisco do Sul, Brazil
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
