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Weather in Christchurch City for September 2025

Your guide to Christchurch City weather in September - trends and predictions
  • In general, the average temperature in Christchurch City at the beginning of September is 15 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 11.9 °C by the end of September.

  • The climate of Christchurch City in September is notably wet, with an average of 11 rainy days.

  • Is September a good time to visit Christchurch City? check out the best time to travel to Christchurch City page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/5°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Christchurch City in September average weather

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Temperatures trend during September in Christchurch City

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain Snow More
1 Sept. Overcast
Overcast
17° /5° 0 mm 0 cm
2 Sept. Sunny
Sunny
16° /6° 0 mm 0 cm
3 Sept. Patchy rain possible
Patchy rain possible
13° /7° 0.6 mm 0 cm
4 Sept. Patchy rain possible
Patchy rain possible
11° /6° 0.8 mm 0 cm
5 Sept. Mist
Mist
12° /4° 0.2 mm 0 cm
6 Sept. Light rain shower
Light rain shower
17° /6° 0.9 mm 0 cm
7 Sept. Partly cloudy
Partly cloudy
19° /7° 0.6 mm 0 cm
8 Sept. Sunny
Sunny
14° /4° 0 mm 0 cm
9 Sept. Sunny
Sunny
15° /6° 0 mm 0 cm
10 Sept. Partly cloudy
Partly cloudy
17° /6° 2.5 mm 0 cm
11 Sept. Patchy rain possible
Patchy rain possible
14° /4° 1.3 mm 0 cm
12 Sept. Overcast
Overcast
15° /4° 0 mm 0 cm
13 Sept. Sunny
Sunny
10° /4° 4.7 mm 0 cm
14 Sept. Overcast
Overcast
12° /4° 1.1 mm 0 cm
15 Sept. Overcast
Overcast
11° /5° 0.1 mm 0 cm
16 Sept. Overcast
Overcast
13° /3° 0.1 mm 0 cm
17 Sept. Light rain shower
Light rain shower
13° /5° 4.4 mm 0.5 cm
18 Sept. Sunny
Sunny
13° /3° 0 mm 0 cm
19 Sept. Sunny
Sunny
17° /5° 0 mm 0 cm
20 Sept. Overcast
Overcast
18° /6° 0 mm 0 cm
21 Sept. Partly cloudy
Partly cloudy
15° /7° 0.3 mm 0 cm
22 Sept. Light rain
Light rain
13° /5° 6 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
11° /4° 1.5 mm 0 cm
24 Sept. Patchy rain possible
Patchy rain possible
12° /4° 1.2 mm 0 cm
25 Sept. Patchy rain possible
Patchy rain possible
10° /3° 0.1 mm 0 cm
26 Sept. Overcast
Overcast
14° /3° 0.2 mm 0 cm
27 Sept. Light drizzle
Light drizzle
8° /3° 6.3 mm 0 cm
28 Sept. Patchy rain possible
Patchy rain possible
13° /2° 5.3 mm 0 cm
29 Sept. Partly cloudy
Partly cloudy
15° /3° 0.5 mm 0 cm
30 Sept. Light rain shower
Light rain shower
11° /4° 3.7 mm 0 cm
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Important Notice
Our weather forecast for Christchurch City in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Christchurch City forecast closer to your planned date for the most up-to-date weather information.

Christchurch City in September - FAQ

What are the expected maximum and minimum temperatures in Christchurch City during September?
During September, expect a variety of temperatures with highs around 13° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Christchurch City during September?
In September, Christchurch City can expect light to moderate rainfall, totaling 49.4 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Christchurch City during September?
The average wind speed in Christchurch City during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Christchurch City in September?

As you prepare for your trip to Christchurch City in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Christchurch City, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Christchurch City

Explore the daily rainfall trends and prepare for Christchurch Citys September weather 💧

September snowfall in Christchurch City

Track daily snowfall levels and discover Christchurch City’s snowy potential this September ❄️
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Location coordinates Where is Christchurch City?

Get accurate weather forecasts for Christchurch City, located at latitude -43.533 and longitude 172.633. Stay updated with localized weather information tailored for Christchurch City.

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