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New Zealand weather

Weather in Napier for September 2025

Your guide to Napier weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Napier is slightly cooler than the historical average by -1.1 °C.

  • The forecast for the upcoming days in Napier predicts a temperature of 17.7 °C, which is slightly above the historical average.

  • In general, the average temperature in Napier at the beginning of September is 15 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Napier in September is notably wet, with an average of 12 rainy days, and a total of 65.7 mm of precipitation.

Average dry days
18
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/8°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Napier Weather September

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

Temperatures trend during September in Napier

See the weather trend as well as the moving average line

September weather in Napier day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 16° /7° 0.4 mm 5
2 Sept. Sunny
Sunny
 15° /7° 0 mm 5
3 Sept. Partly cloudy
Partly cloudy
 15° /8° 0.4 mm 5
4 Sept. Patchy rain possible
Patchy rain possible
 13° /7° 1.8 mm 4
5 Sept. Patchy rain possible
Patchy rain possible
 14° /7° 0 mm 4
6 Sept. Cloudy
Cloudy
 15° /7° 0.6 mm 4
7 Sept. Patchy light rain
Patchy light rain
 17° /8° 1.1 mm 5
8 Sept. Patchy rain possible
Patchy rain possible
 13° /6° 0.2 mm 4
9 Sept. Light drizzle
Light drizzle
 15° /7° 0.2 mm 5
10 Sept. Sunny
Sunny
 16° /8° 0.1 mm 5
11 Sept. Overcast
Overcast
 15° /8° 0.3 mm 4
12 Sept. Partly cloudy
Partly cloudy
 13° /6° 4.6 mm 5
13 Sept. Cloudy
Cloudy
 15° /7° 0 mm 4
14 Sept. Cloudy
Cloudy
 15° /9° 2.1 mm 4
15 Sept. Moderate rain
Moderate rain
 14° /8° 5.3 mm 4
16 Sept. Sunny
Sunny
 18° /12° 0 mm 1.1
17 Sept. Overcast
Overcast
 19° /11° 0 mm 0.7
18 Sept. Patchy rain possible
Patchy rain possible
 19° /12° 0.1 mm 1
19 Sept. Patchy rain possible
Patchy rain possible
 12° /6° 1.1 mm 0.8
20 Sept. Sunny
Sunny
 13° /3° 0 mm 0
21 Sept. Partly cloudy
Partly cloudy
 18° /7° 0 mm 5
22 Sept. Sunny
Sunny
 20° /12° 0 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 18° /13° 0.1 mm 5
24 Sept. Patchy rain possible
Patchy rain possible
 18° /12° 0.2 mm 4
25 Sept. Sunny
Sunny
 16° /9° 0 mm 5
26 Sept. Partly cloudy
Partly cloudy
 19° /11° 0 mm 6
27 Sept. Sunny
Sunny
 21° /15° 0 mm 6
28 Sept. Sunny
Sunny
 18° /13° 0 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
 19° /11° 0.1 mm 5
30 Sept. Light rain shower
Light rain shower
 13° /7° 6.2 mm 4
Next
Important Notice
Our weather forecast for Napier 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 Napier forecast closer to your planned date for the most up-to-date weather information.
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Napier in September - FAQ

What are the expected maximum and minimum temperatures in Napier during September?
During September, expect a variety of temperatures with highs around 15° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Napier during September?
Moderate rainfall is anticipated in Napier during September, with a total of 65.7 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Napier during September?
The average wind speed in Napier during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Napier

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

UV exposure in Napier during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Napier?

Get accurate weather forecasts for Napier, located at latitude -39.493 and longitude 176.912. Stay updated with localized weather information tailored for Napier.

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