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Weather in Westport for September 2026

Your guide to Westport weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Westport at the beginning of September is 16.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.3 °C by the end of September.

  • Rain 🌧️

  • Westport experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 95.3 mm.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/9°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Westport Weather September

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Temperatures trend during September in Westport

See the weather trend as well as the moving average line

September weather in Westport day by day

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Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
17° /9° 3.5 mm 4
2 Sept. Overcast
Overcast
15° /10° 0.7 mm 4
3 Sept. Patchy rain possible
Patchy rain possible
15° /10° 3.9 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
15° /10° 0.6 mm 4
5 Sept. Sunny
Sunny
17° /9° 0.1 mm 5
6 Sept. Partly cloudy
Partly cloudy
20° /10° 2.2 mm 5
7 Sept. Partly cloudy
Partly cloudy
18° /10° 2.6 mm 5
8 Sept. Patchy rain possible
Patchy rain possible
15° /9° 2 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
16° /10° 2.5 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
13° /9° 9.4 mm 3
11 Sept. Heavy rain at times
Heavy rain at times
12° /8° 7.1 mm 3
12 Sept. Patchy rain possible
Patchy rain possible
12° /7° 8.7 mm 3
13 Sept. Moderate rain at times
Moderate rain at times
13° /7° 7.9 mm 3
14 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
16° /11° 8.5 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
15° /10° 7.2 mm 4
16 Sept. Patchy rain possible
Patchy rain possible
15° /9° 4.5 mm 4
17 Sept. Partly cloudy
Partly cloudy
18° /11° 3.5 mm 5
18 Sept. Sunny
Sunny
17° /9° 1.9 mm 5
19 Sept. Sunny
Sunny
17° /9° 0 mm 4
20 Sept. Sunny
Sunny
16° /9° 2 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
15° /7° 0.3 mm 4
22 Sept. Patchy rain possible
Patchy rain possible
15° /7° 0.8 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
14° /7° 0.3 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
14° /7° 0.2 mm 3
25 Sept. Overcast
Overcast
14° /6° 0 mm 4
26 Sept. Moderate rain at times
Moderate rain at times
12° /7° 1.3 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
12° /8° 2.1 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
13° /7° 1.4 mm 3
29 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
13° /8° 5.1 mm 3
30 Sept. Light rain shower
Light rain shower
15° /9° 5.3 mm 4
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Important Notice
Our weather forecast for Westport 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 Westport forecast closer to your planned date for the most up-to-date weather information.

Westport in September - FAQ

What are the expected maximum and minimum temperatures in Westport during September?

During September, expect a variety of temperatures with highs around 15° and lows near 9°, suitable for diverse activities and preferences.

How much rainfall should be expected in Westport during September?

Moderate rainfall is anticipated in Westport during September, with a total of 95.3 mm spread over approximately 21 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Westport during September?

The average wind speed in Westport during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Westport

Explore the daily rainfall trends and prepare for Westports September weather 💧
Typically, Westport has 21 rainy days in September with a total of 95.3 mm of rainfall.

Quick links

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Location coordinates Where is Westport?

Get accurate weather forecasts for Westport, located at latitude 53.8 and longitude -9.517. Stay updated with localized weather information tailored for Westport.

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