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Weather in Invercargill for September 2025

Your guide to Invercargill weather in September - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Invercargill during September is quite rare, with fewer than 2 snowy days on average.
    According to Invercargill snow forecast for September 2025, 1 snowy day is expected until the end of the month at Monday, 29 September.

    • Temperatures

  • Until now, September 2025 in Invercargill is slightly cooler than the historical average by -1.4 °C.

  • The forecast for the next days in Invercargill predicts temperatures to be around 12 °C, close to the historical average.

  • In general, the average temperature in Invercargill at the beginning of September is 12.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 10 °C by the end of September.

    • Rain 🌧️

  • Invercargill experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 143.8 mm.

Average dry days
6
Dry days
Average rainy days
23
Rainy days
Average snowy days
1
Snow days
Average temperatures
11°/5°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Invercargill Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
12°
2
Moderate rain
12°
3
Overcast
12°
4
Mist
12°
5
Mist
13°
6
Patchy light drizzle
12°
7
Light rain shower
12°
8
Sunny
13°
9
Sunny
14°
10
Light rain shower
10°
11
Light rain shower
10°
12
Overcast
8°
13
Overcast
9°
14
Overcast
12°
15
Overcast
8°
16
Patchy rain possible
16°
17
Moderate rain
13°
18
Moderate rain
8°
19
Overcast
12°
20
Partly cloudy
15°
21
Patchy rain possible
14°
22
Patchy rain possible
14°
23
Patchy rain possible
15°
24
Patchy rain possible
11°
25
Patchy rain possible
13°
26
Patchy rain possible
10°
27
Patchy rain possible
8°
28
Patchy rain possible
11°
29
Patchy rain possible
6°
30
Light rain shower
11°

Temperatures trend during September in Invercargill

See the weather trend as well as the moving average line

September weather in Invercargill day by day

Click on a date for more information
August October
Date Weather Temperatures Rain Snow More
1 Sept. Overcast
Overcast
 12° /5° 6.6 mm 0 cm
2 Sept. Moderate rain
Moderate rain
 12° /7° 11 mm 0 cm
3 Sept. Overcast
Overcast
 12° /4° 4.7 mm 0 cm
4 Sept. Mist
Mist
 12° /5° 0.9 mm 0 cm
5 Sept. Mist
Mist
 13° /5° 3.5 mm 0 cm
6 Sept. Patchy light drizzle
Patchy light drizzle
 12° /6° 6.3 mm 0 cm
7 Sept. Light rain shower
Light rain shower
 12° /6° 8.7 mm 0 cm
8 Sept. Sunny
Sunny
 13° /4° 3 mm 0 cm
9 Sept. Sunny
Sunny
 14° /5° 1.5 mm 0 cm
10 Sept. Light rain shower
Light rain shower
 10° /4° 5.6 mm 0 cm
11 Sept. Light rain shower
Light rain shower
 10° /3° 3.3 mm 0 cm
12 Sept. Overcast
Overcast
 8° /4° 8.5 mm 0 cm
13 Sept. Overcast
Overcast
 9° /3° 4.8 mm 0 cm
14 Sept. Overcast
Overcast
 12° /5° 0.6 mm 0 cm
15 Sept. Overcast
Overcast
 8° /4° 3.6 mm 0 cm
16 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 0.9 mm 0 cm
17 Sept. Moderate rain
Moderate rain
 13° /10° 8.7 mm 0 cm
18 Sept. Moderate rain
Moderate rain
 8° /7° 8.5 mm 0 cm
19 Sept. Overcast
Overcast
 12° /3° 0.1 mm 0 cm
20 Sept. Partly cloudy
Partly cloudy
 15° /5° 0 mm 0 cm
21 Sept. Patchy rain possible
Patchy rain possible
 14° /5° 0.2 mm 0 cm
22 Sept. Patchy rain possible
Patchy rain possible
 14° /5° 0.1 mm 0 cm
23 Sept. Patchy rain possible
Patchy rain possible
 15° /7° 0.7 mm 0 cm
24 Sept. Patchy rain possible
Patchy rain possible
 11° /6° 1.9 mm 0 cm
25 Sept. Patchy rain possible
Patchy rain possible
 13° /5° 1.4 mm 0 cm
26 Sept. Patchy rain possible
Patchy rain possible
 10° /4° 2.4 mm 0 cm
27 Sept. Patchy rain possible
Patchy rain possible
 8° /4° 2.7 mm 0 cm
28 Sept. Patchy rain possible
Patchy rain possible
 11° /6° 1.4 mm 0 cm
29 Sept. Patchy rain possible
Patchy rain possible
 6° /4° 4.2 mm 0.5 cm
30 Sept. Light rain shower
Light rain shower
 11° /4° 2.8 mm 0 cm
Next
Important Notice
Our weather forecast for Invercargill 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 Invercargill forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Invercargill in September - FAQ

What are the expected maximum and minimum temperatures in Invercargill during September?
During September, expect a variety of temperatures with highs around 11° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Invercargill during September?
Significant rainfall exceeding 143.8 mm is expected in Invercargill during September, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Invercargill in September 2025?
Invercargill typically sees 0.37 cm of snowfall during September.
What are the typical wind conditions in Invercargill during September?
The average wind speed in Invercargill during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

Invercargill snow forecast September 2025

Track daily snowfall levels and discover Invercargill’s snowy potential this September ❄️

September rainfall patterns in Invercargill

Explore the daily rainfall trends and prepare for Invercargills September weather 💧

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Location coordinates Where is Invercargill?

Get accurate weather forecasts for Invercargill, located at latitude -46.4 and longitude 168.35. Stay updated with localized weather information tailored for Invercargill.

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