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Weather in Wellington City for September 2025

Your guide to Wellington City weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Wellington City has been nearly identical to the historical average, with a temperature of 12.5 °C (showing only a slight deviation of -0.4 °C).

  • The forecast for the next days in Wellington City predicts temperatures to be around 13 °C, close to the historical average.

  • In general, the average temperature in Wellington City at the beginning of September is 13 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 13.1 °C by the end of September.

    • Rain 🌧️

  • Wellington City in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 89.9 mm.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/9°
Temperatures
Average wind speed
41 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Wellington City Weather September

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

Temperatures trend during September in Wellington City

See the weather trend as well as the moving average line

September weather in Wellington City day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 4.6 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 0 mm 4
3 Sept. Overcast
Overcast
 13° /8° 1.1 mm 4
4 Sept. Partly cloudy
Partly cloudy
 13° /8° 2.2 mm 4
5 Sept. Patchy light drizzle
Patchy light drizzle
 13° /9° 5.5 mm 4
6 Sept. Light rain shower
Light rain shower
 13° /8° 3.7 mm 4
7 Sept. Moderate rain at times
Moderate rain at times
 13° /9° 4.2 mm 4
8 Sept. Sunny
Sunny
 13° /8° 0.4 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 0.5 mm 4
10 Sept. Sunny
Sunny
 13° /9° 1.4 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
 12° /8° 1.5 mm 4
12 Sept. Cloudy
Cloudy
 12° /8° 0.1 mm 4
13 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 1.7 mm 4
14 Sept. Overcast
Overcast
 12° /8° 1.5 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
 13° /8° 1.4 mm 4
16 Sept. Overcast
Overcast
 13° /10° 4.8 mm 4
17 Sept. Overcast
Overcast
 13° /10° 4.6 mm 4
18 Sept. Sunny
Sunny
 13° /8° 0.1 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
 10° /5° 0.9 mm 0.8
20 Sept. Sunny
Sunny
 12° /5° 0 mm 1
21 Sept. Patchy rain possible
Patchy rain possible
 14° /12° 2.7 mm 0.6
22 Sept. Moderate rain
Moderate rain
 13° /12° 10.5 mm 0.4
23 Sept. Moderate rain
Moderate rain
 13° /13° 10.9 mm 0
24 Sept. Patchy rain possible
Patchy rain possible
 14° /12° 2.1 mm 4
25 Sept. Moderate rain
Moderate rain
 12° /11° 5.8 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 2.3 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 13° /10° 2.5 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 13° /10° 0.2 mm 4
29 Sept. Sunny
Sunny
 14° /12° 0.1 mm 5
30 Sept. Patchy rain possible
Patchy rain possible
 13° /12° 0.5 mm 4
Next
Important Notice
Our weather forecast for Wellington 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 Wellington City forecast closer to your planned date for the most up-to-date weather information.
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Wellington City in September - FAQ

What are the expected maximum and minimum temperatures in Wellington City during September?
During September, expect a variety of temperatures with highs around 13° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Wellington City during September?
Moderate rainfall is anticipated in Wellington City during September, with a total of 89.9 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Wellington City during September?
The average wind speed in Wellington City during September is 41 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Wellington City

Explore the daily rainfall trends and prepare for Wellington Citys September weather 💧
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Location coordinates Where is Wellington City?

Get accurate weather forecasts for Wellington City, located at latitude -41.287 and longitude 174.776. Stay updated with localized weather information tailored for Wellington City.

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