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Mongagua weather in September

Weather in Mongagua: September

Average day temperature: 74.1°F
Average night temperature: 65.6°F
Sea water temperature: 70.1°F
Number of sunny days: 11 days
Day length: 11.6 - 12.3 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 86°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during September were 73.0°F and 63.7°F.

Sea water temperature in Mongagua in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 71.4°F and 67.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Mongagua in September is 1.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.7 mph It makes September one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.2.

Best time for vacation in Mongagua

Sunniest months:
July 17 days
May 15 days
June 14 days
Warmest months:
February 82.1 °F
January 81.2 °F
March 81.1 °F
Warmest sea temp:
February 81.7 °F
March 80.7 °F
January 80.2 °F
Coldest months:
July 71.3 °F
August 71.6 °F
June 73.1 °F
Rainiest months:
January 9 days
February 6 days
December 6 days
Windiest months:
October 6.2 mph
December 5.8 mph
September 5.7 mph

Mongagua on a weather map

Mongagua
+70°F
W 7 mph
Feels like: +70°F
Precip.: 100%
Places in Brazil:
Name
°F
+72°F
+72°F
+79°F
+66°F
+77°F
+66°F
+77°F
+64°F
+68°F
+68°F
+66°F
+77°F
+66°F
24 Hours Forecast
Mongagua
Local time: 01:15
December 05, friday
0300
68°F
W
6 mph
0600
68°F
W
5 mph
0900
73°F
W
4 mph
1200
77°F
NW
9 mph
1500
77°F
NW
9 mph
1800
75°F
W
10 mph
2100
70°F
W
10 mph
December 06, saturday
0000
68°F
SW
8 mph
Units of measurement: °C / °F