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
Weather in September
Temperature
Barra Velha records an average high-temperature of a still agreeable 21.1°C (70°F) as September arrives, nearly mirroring the previous month's climate. September nights in Barra Velha are marked by an average temperature drop to a refreshing 15.6°C (60.1°F).Humidity
In Barra Velha, the average relative humidity in September is 85%.Rainfall
In Barra Velha, in September, it is raining for 14.2 days, with typically 64mm (2.52") of accumulated precipitation. In Barra Velha, during the entire year, the rain falls for 234.6 days and collects up to 1180mm (46.46") of precipitation.Sea temperature
In Barra Velha, in September, the average water temperature is 18.8°C (65.8°F).Note: Most people do not enjoy swimming in water that is 18.8°C (65.8°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).
Daylight
In September, the average length of the day is 11h and 57min.On the first day of September in Barra Velha, 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 6.5h.UV index
In Barra Velha, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are September temperatures in Barra Velha?
What is the average humidity in September in Barra Velha?
How many days does it rain in September in Barra Velha?
What is the sea water temperature in September in Barra Velha?
What is the average length of the day in September in Barra Velha?
What time are sunrise and sunset in September in Barra Velha?
How long on average sun shines in September in Barra Velha?
What is the UV index reading in September in Barra Velha?
Average temperature in September
Barra Velha, Brazil
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is January (27.7°C).
The month with the lowest average high temperature is July (19.5°C).
- Average low temperature in September: 15.6°C
The months with the highest average low temperature are January and February (22°C).
The coldest month (with the lowest average low temperature) is July (14°C).
Average pressure in September
Barra Velha, Brazil
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Barra Velha, Brazil
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is November (11.8km/h).
The calmest month (with the lowest average wind speed) is June (10km/h).
Average humidity in September
Barra Velha, Brazil
- Average humidity in September: 85%
The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is April (83%).
Average rainfall in September
Barra Velha, Brazil
- Average rainfall in September: 64mm
The wettest month (with the highest rainfall) is February (168mm).
The driest month (with the least rainfall) is August (46mm).
Average rainfall days in September
Barra Velha, Brazil
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is January (26.3 days).
The month with the least rainy days is June (11.3 days).
Average sea temperature in September
Barra Velha, Brazil
- Average sea temperature in September: 18.8°C
The best month for swimming (with the highest average sea temperature) is February (26.3°C).
The coldest month (with the lowest average sea temperature) is July (18.7°C).
Average daylight in September /
Average sunshine in September
Barra Velha, Brazil
- Average daylight in September: 11h and 5min
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 3min
The month with the most sunshine is April (Average sunshine: 7h and 30min).
The month with the least sunshine is October (Average sunshine: 5h and 42min).
Average sunshine days in September
Barra Velha, Brazil
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is February (1.8 days).
Average UV index in September
Barra Velha, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, October and December (UV index 6).
The month with the lowest UV index is July (UV index 4).
Average cloud cover in September
Barra Velha, Brazil
- Average cloud cover in September: 52
The month with the most cloud cover is October (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 44).
Average visibility in September
Barra Velha, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Barra Velha, Brazil
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