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Rota weather in September

Weather in Rota: September

Average day temperature: 85.8°F
Average night temperature: 84.2°F
Sea water temperature: 85.6°F
Number of sunny days: 4 days
Day length: 12.0 - 12.4 hours
Number of rainy days: 12 days
Precipitation totals: 10.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 84°F. At the same time the lowest night temperature was 79°F. Daily and nightly averages during September were 82.8°F and 83.7°F.

Sea water temperature in Rota in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 85.6°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.6°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in September, in.

Precipitation total value in Rota in September is 10.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 11.0 mph It makes September lest 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: 4.4.

Best time for vacation in Rota

Sunniest months:
July 5 days
August 4 days
September 4 days
Warmest months:
August 86.3 °F
July 86.3 °F
June 86.0 °F
Warmest sea temp:
September 85.6 °F
August 85.5 °F
July 85.4 °F
Coldest months:
February 82.0 °F
March 82.6 °F
January 82.8 °F
Rainiest months:
October 14 days
July 13 days
August 13 days
Windiest months:
December 19.8 mph
February 19.6 mph
January 18.9 mph

Rota on a weather map

Rota
+82°F
W 16 mph
Feels like: +90°F
Precip.: 0%
Places in Northern Mariana Islands:
Name
°F
+84°F
+82°F
+84°F
+84°F
+84°F
24 Hours Forecast
Rota
Local time: 13:43
December 06, saturday
1500
82°F
W
16 mph
1800
82°F
W
14 mph
2100
82°F
W
12 mph
December 07, sunday
0000
84°F
W
12 mph
0300
82°F
SW
12 mph
0600
82°F
SW
13 mph
0900
82°F
SW
15 mph
1200
82°F
SW
14 mph
Units of measurement: °C / °F