What is the weather like in Christchurch in September?

Expect temperatures between 5°C and 14°C with 18% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Christchurch in September?

Christchurch in September scores 65/100 based on 30 years of climate data. Very good conditions overall.

Who should visit Christchurch in September?

September in Christchurch is ideal for: Families with children, Cultural tourists, Honeymoon couples, Business travelers.

Christchurch Weather in September | 30-Year Forecast

Avg High

14°C

Hottest around day 30

Avg Low

5°C

Coolest around day 10

Rainy Days

0days

18% avg rain chance

Sunshine

8hrs/day

Autumn season

Sea Temperature in September

Pacific Ocean

10.8°C

Monthly Average

Water Feel

🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating

❄️Cold water hazard

Based on average sea surface temperature

Body of Water

Pacific Ocean

Christchurch coastline

Essential Travel Info for Christchurch

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

NZD

$ New Zealand dollar

Language

English

+2 more

Driving

Left side

Safety

Very High Safety

GPI: 1.269

Travel Intelligence

Exclusive flight analytics & health data for Christchurch

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

42/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Aug

Low

Jan

Monthly Traffic Distribution

Jan

Feb

Mar

108

Apr

115

May

Jun

Jul

125

Aug

116

Sep

Oct

Nov

109

Dec

Traffic Level

Low Season

Key Connections

Auckland (AKL)

Wellington (WLG)

Invercargill (IVC)

Dunedin (DUD)

Nelson (NSN)

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 New Zealand. Unvaccinated travelers 60 years and older may get vaccinated before traveling to New Zealand.

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 New Zealand.If rabies exposures occur while in New Zealand, rabies vaccines may only be available in larger suburban/urban medical facilities.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 Christchurch?

👍Very good conditions overall(65/100)

Short Answer

Christchurch in September features 10.8°C seas - too cold for swimming but stunning for coastal walks. Air temperatures average 14°C with 18% rain probability.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

146 earthquakes recorded in this month (30-year data)

Peak tourist season

93% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

10.8°C sea temperature - Polar Plunge

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Plenty of sunshine

8.9h of sunshine daily

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 14.1°C temperatures and low 18% rain risk
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 89/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 10.8°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
75% humidity creates difficult conditions

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Christchurch in September averages 14°C with 18% precipitation probability."

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

Frequently Asked Questions: Christchurch in September

What are the temperatures in Christchurch in September?

Daytime highs average 14°C, nights drop to 5°C. Temperatures remain fairly consistent.

How many rainy days in Christchurch in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Christchurch in September?

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

Is September peak season in Christchurch?

This is shoulder season—moderate prices and manageable crowds.

Christchurch Weather in September

Sea Temperature in September

Christchurch September Weather Calendar

Essential Travel Info for Christchurch

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Yellow Fever

Is September a Good Time to Visit Christchurch?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Christchurch in September

What are the temperatures in Christchurch in September?

How many rainy days in Christchurch in September?

What to wear in Christchurch in September?

Is September peak season in Christchurch?