30YearWeather
Charlottetown in September
Charlottetown weather in September - Canada
🌤️Mild & Comfortable

Charlottetown Weather in September

Plan your September trip to Charlottetown, Canada. Based on 30 years of NASA data, expect temperatures of 19°C (high) to 13°C (low), with 23% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 19°C in September. Great conditions with only 5 rainy days expected.

Avg High
19°C

Hottest around day 1

Avg Low
13°C

Coolest around day 30

Rainy Days
5days

23% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in September

Coastal Waters(Ocean)

19.2°C

Monthly Average

Water Feel
🏊Pleasant

Comfortable for most swimmers

Swim Rating
👍Good for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

Charlottetown coastline

Charlottetown September Weather Calendar

Click any day to see detailed weather information

Day 1
partly-cloudy-day
Nice
21°C19%
Day 2
cloudy
Cloudy
21°C21%
Day 3
partly-cloudy-day
Nice
21°C20%
Day 4
partly-cloudy-day
Nice
21°C20%
Day 5
cloudy
Cloudy
21°C21%
Day 6
cloudy
Cloudy
21°C25%
Day 7
cloudy
Cloudy
21°C21%
Day 8
cloudy
Cloudy
21°C21%
Day 9
cloudy
Cloudy
20°C26%
Day 10
cloudy
Cloudy
20°C28%
Day 11
cloudy
Cloudy
20°C23%
Day 12
cloudy
Cloudy
20°C23%
Day 13
cloudy
Cloudy
20°C24%
Day 14
cloudy
Cloudy
19°C23%
Day 15
cloudy
Cloudy
19°C22%
Day 16
cloudy
Cloudy
19°C24%
Day 17
cloudy
Cloudy
19°C24%
Day 18
cloudy
Cloudy
19°C22%
Day 19
partly-cloudy-day
Nice
18°C19%
Day 20
partly-cloudy-day
Nice
18°C18%
Day 21
cloudy
Cloudy
18°C21%
Day 22
cloudy
Cloudy
18°C23%
Day 23
cloudy
Cloudy
18°C22%
Day 24
cloudy
Cloudy
18°C26%
Day 25
cloudy
Cloudy
17°C28%
Day 26
cloudy
Cloudy
17°C28%
Day 27
cloudy
Cloudy
17°C24%
Day 28
cloudy
Cloudy
17°C25%
Day 29
cloudy
Cloudy
17°C21%
Day 30
partly-cloudy-day
Nice
17°C20%

Essential Travel Info for Charlottetown

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Safety

Very High Safety

GPI: 1.389

Travel Intelligence

Exclusive flight analytics & health data for Charlottetown

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
6/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Jan

Monthly Traffic Distribution

4
Jan
5
Feb
7
Mar
8
Apr
12
May
16
Jun
5
Jul
8
Aug
8
Sep
8
Oct
8
Nov
8
Dec
Traffic Level
Low Season

Key Connections

Toronto Pearson (YYZ)
Montreal Trudeau (YUL)
Ottawa Macdonald-Cartier (YOW)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Canada. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Canada.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Canada.Rabies is commonly found in some terrestrial wildlife species and bats.If rabies exposures occur while in Canada, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Charlottetown?

👍Recommended for planning your trip
Short Answer

September delivers Charlottetown's best weather - 19°C days, rare rain (23%), and comfortable 77% humidity. Book accommodation early as this is well-known as an excellent period.

Decision Factors

Vaccinations required

Yellow Fever

Plenty of sunshine

8.6h of sunshine daily

Calm, family-friendly seas

0.42m wave height - Lake-like

Shoulder season - balanced conditions

50% of peak - good value with moderate crowds

Good For

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 19.1°C, 23% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 91/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👴
    Elderly travelers

    77% humidity creates difficult conditions

Related Guides

Best Time to VisitWhen to AvoidCharlottetown Overview
900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Charlottetown in September averages 19°C with 23% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Charlottetown in September

What are the temperatures in Charlottetown in September?

Daytime highs average 19°C, nights drop to 13°C. Temperatures remain fairly consistent.

How many rainy days in Charlottetown in September?

Expect around 5 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Charlottetown in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Charlottetown?

This is typically peak season with higher prices. Book 2-3 months ahead.