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Weather in Waterford for September 2026

Your guide to Waterford weather in September - trends and predictions

    Temperatures

  • So far, September 2026 in Waterford is slightly warmer than the historical average by 0.7 °C.

  • The forecast for the next days in Waterford predicts temperatures to be around 18 °C, close to the historical average.

  • In general, the average temperature in Waterford at the beginning of September is 18.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.4 °C by the end of September.

    • Rain 🌧️

  • Waterford experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 97.9 mm.

Average dry days
7
Dry days
Average rainy days
23
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/9°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
81 %
Avg humidity

Waterford Weather September

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

Temperatures trend during September in Waterford

See the weather trend as well as the moving average line

September weather in Waterford 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
 18° /10° 1 mm 3
2 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 3.1 mm 3
3 Sept. Patchy rain possible
Patchy rain possible
 18° /10° 5.9 mm 3
4 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 1.2 mm 3
5 Sept. Patchy rain possible
Patchy rain possible
 17° /8° 0.7 mm 3
6 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 1.2 mm 3
7 Sept. Patchy rain possible
Patchy rain possible
 19° /11° 3 mm 3
8 Sept. Patchy rain possible
Patchy rain possible
 17° /9° 0.8 mm 4
9 Sept. Overcast
Overcast
 17° /9° 2.1 mm 4
10 Sept. Moderate rain at times
Moderate rain at times
 17° /10° 2.7 mm 3
11 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 0.6 mm 3
12 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 6.7 mm 3
13 Sept. Overcast
Overcast
 16° /7° 1 mm 3
14 Sept. Cloudy
Cloudy
 18° /11° 4.9 mm 3
15 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 7.2 mm 4
16 Sept. Overcast
Overcast
 17° /10° 0 mm 2.1
17 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0.5 mm 3.3
18 Sept. Overcast
Overcast
 17° /10° 0.9 mm 0.8
19 Sept. Overcast
Overcast
 19° /11° 0.3 mm 3
20 Sept. Overcast
Overcast
 19° /9° 0 mm 5
21 Sept. Sunny
Sunny
 21° /14° 0 mm 6
22 Sept. Sunny
Sunny
 20° /12° 0 mm 5
23 Sept. Mist
Mist
 19° /13° 0 mm 5
24 Sept. Overcast
Overcast
 16° /9° 0 mm 4
25 Sept. Partly cloudy
Partly cloudy
 17° /8° 0 mm 5
26 Sept. Sunny
Sunny
 18° /10° 0 mm 5
27 Sept. Sunny
Sunny
 18° /9° 0 mm 5
28 Sept. Overcast
Overcast
 17° /9° 0.1 mm 4
29 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /9° 16.4 mm 4
30 Sept. Light drizzle
Light drizzle
 15° /9° 2.7 mm 4
Next
Important Notice
Our weather forecast for Waterford 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 Waterford forecast closer to your planned date for the most up-to-date weather information.
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Waterford in September - FAQ

What are the expected maximum and minimum temperatures in Waterford during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Waterford during September?
Moderate rainfall is anticipated in Waterford during September, with a total of 97.9 mm spread over approximately 23 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Waterford during September?
The average wind speed in Waterford during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Waterford

Explore the daily rainfall trends and prepare for Waterfords September weather 💧
Typically, Waterford has 23 rainy days in September with a total of 97.9 mm of rainfall.

UV exposure in Waterford during September

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

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Get accurate weather forecasts for Waterford, located at latitude 52.258 and longitude -7.112. Stay updated with localized weather information tailored for Waterford.

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