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Manihi weather in September

Weather in Manihi: September

Average day temperature: 81.0°F
Average night temperature: 78.6°F
Sea water temperature: 80.9°F
Number of sunny days: 4 days
Day length: 11.8 - 12.2 hours
Number of rainy days: 3 days
Precipitation totals: 2.3 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 79°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during September were 78.7°F and 78.1°F.

Sea water temperature in Manihi in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 80.9°F. The highest and lowest sea temperatures during the month were 81.3°F and 80.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Manihi in September is 2.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 16.0 mph It makes September most windy month 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: 5.5.

Best time for vacation in Manihi

Sunniest months:
August 5 days
March 5 days
January 4 days
Warmest months:
April 85.4 °F
March 85.4 °F
May 84.9 °F
Warmest sea temp:
April 84.5 °F
March 84.4 °F
May 83.9 °F
Coldest months:
August 80.8 °F
September 81.0 °F
October 81.9 °F
Rainiest months:
December 10 days
January 8 days
February 8 days
Windiest months:
September 16.1 mph
July 16.1 mph
August 15.4 mph

Manihi on a weather map

Manihi
+81°F
S 21 mph
Feels like: +86°F
Precip.: 100%
Places in French Polynesia:
Name
°F
+79°F
+81°F
+77°F
+75°F
+79°F
+75°F
+75°F
+79°F
+75°F
24 Hours Forecast
Manihi
Local time: 22:15
December 05, friday
0000
79°F
SE
22 mph
0300
79°F
SE
19 mph
0600
77°F
SE
19 mph
0900
77°F
SE
20 mph
1200
77°F
SE
16 mph
1500
77°F
SE
15 mph
1800
79°F
SE
9 mph
2100
79°F
SE
7 mph
Units of measurement: °C / °F