Saipan Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Saipan, Northern Mariana Islands in September.

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Garapan Rota Chalan Kanoa

Are you planning a trip a to Saipan, Northern Mariana Islands in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Saipan in September

Saipan, Northern Mariana Islands is a region in Northern Mariana Islands. September in Saipan generally has warm temperatures, with heavy precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 30°C (86°F) and nighttime temperatures around 27°C (81°F) in Garapan. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For a closer look at conditions across Saipan, Northern Mariana Islands, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Chalan Kanoa with an average of 321 mm (13 in) to heavy rainfall in Rota with 334 mm (13 in).

Explore Saipan by month

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Best Places to Visit in Saipan in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Saipan.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Saipan

What is the weather like in September for some of the most popular destinations in Saipan, Northern Mariana Islands?

Temperature range in Saipan (September)

Precipitation variation in Saipan (September)

Garapan

In September Garapan generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
352 mm (14 in)
322 mm (13 in)
313 mm (12 in)
Monthly rainy days
21 days
19 days
22 days
Weather conditions
poor
poor
poor
Climate in Garapan →

Rota

In September Rota generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
27°C (81°F)
Monthly rainfall
358 mm (14 in)
334 mm (13 in)
306 mm (12 in)
Monthly rainy days
21 days
19 days
22 days
Weather conditions
poor
poor
poor
Climate in Rota →

Chalan Kanoa

In September Chalan Kanoa generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Monthly rainfall
353 mm (14 in)
321 mm (13 in)
313 mm (12 in)
Monthly rainy days
21 days
19 days
22 days
Weather conditions
poor
poor
poor
Climate in Chalan Kanoa →

Is your destination not in the list? Have a look at all destinations in Saipan, in Northern Mariana Islands.

Popular cities in September

Day & night temperatures, rainfall and average weather in Saipan in September.

City Weather Day temp Night temp Rainfall
Garapan 30°C (86°F) 27°C (81°F) 322 mm (13 in)
Rota 30°C (86°F) 26°C (79°F) 334 mm (13 in)
Chalan Kanoa 30°C (86°F) 27°C (81°F) 321 mm (13 in)

Saipan weather in September: frequently asked questions

What is the weather like in Saipan, Northern Mariana Islands in September?

Expect poor weather across Saipan, Northern Mariana Islands in September. The popular destination of Garapan averages 30°C (86°F) by day and 27°C (81°F) at night during this month.

What is the average temperature in Saipan, Northern Mariana Islands in September?

Daytime temperatures in Garapan peak at roughly 30°C (86°F) in September, dropping to about 27°C (81°F) overnight.

Does Saipan, Northern Mariana Islands get a lot of rain in September?

Yes. September brings heavy rainfall to Saipan, Northern Mariana Islands, with Garapan averaging around 322 mm (13 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit Saipan, Northern Mariana Islands?

In our view, September might not be the best time to travel to Saipan, Northern Mariana Islands with often poor weather in Garapan.

Generally speaking, January, February, March, April, May and December provide perfect weather in Garapan. In contrast, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Saipan.

Weather and climate has detailed information for every country in the world. Are you going to Northern Mariana Islands? Get detailed historical weather averages for many cities in Northern Mariana Islands.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.