Northern Mariana Islands weather in September 2025
Northern Mariana Islands weather in September 2025
Day
31 °C
Night
25 °C
Sea
29 °C
Precipitation
304 mm
in month
Rainy days
13 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
87 %
Day
31 °C
Night
25 °C
Sea
29 °C
Precipitation
304 mm
in month
Rainy days
13 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
87 %
Overview: Northern Mariana Islands
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Weather overview and FAQs
Weather overview
In Northern Mariana Islands in September, the average air temperature ranges from 31 °C (87 °F) during the day to 25 °C (77 °F) at night. There are 13 days of rain on average, where the rainfall is 304 mm (11.97 in).
Is September a good month to visit Northern Mariana Islands?
In Northern Mariana Islands in September, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 31 °C (87 °F). The temperature of the sea will be perfect at 29 °C (85 °F). At night, temperatures hover around a pleasant 25 °C (77 °F).
What temperature can I expect during the day in Northern Mariana Islands in September?
The average daily temperature in Northern Mariana Islands in September is 31 °C (87 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
How heavy is the precipitation in Northern Mariana Islands in September?
There is precipitation of 304 mm (11.97 in) in September in Northern Mariana Islands, which means 10 mm (0.40 in) rainfall per day on average.
What is the sea temperature in September in Northern Mariana Islands?
In Northern Mariana Islands in September expect the sea to be warm at 29 °C (85 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
How many rainy days can I expect in September in Northern Mariana Islands?
In Northern Mariana Islands in September, we can expect 13 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.1 days of the week, or in general - 44 % days.
What is the air temperature in Northern Mariana Islands in September at night?
The average night temperature in Northern Mariana Islands in September is 25 °C (77 °F). The temperature creates a tropical atmosphere and encourages a night of fun, often including a drink to refresh. After all, this temperature is already relatively high.
How many sunny hours can I expect in September in Northern Mariana Islands?
In September in Northern Mariana Islands, you can expect around 5 hours of sunshine.
Is September part of the wet season in Northern Mariana Islands?
No, there is no wet season in Northern Mariana Islands in September - you can expect 13 days of rain during the month.
Is September part of the dry season in Northern Mariana Islands?
No, September is not a dry month in Northern Mariana Islands, expect rain approximately 13 days in a month.
Is it hot in September in Northern Mariana Islands?
In September in Northern Mariana Islands, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the humidity in Northern Mariana Islands in September?
In Northern Mariana Islands in September, expect humidity around 87 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
How windy is Northern Mariana Islands in September?
In September in Northern Mariana Islands, there will be an average wind scale of 4.
How long is the day (from dawn till dusk) in Northern Mariana Islands in September?
The length of daylight in Northern Mariana Islands in September is 12 hours.