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Weather in Balbriggan for September 2025

Your guide to Balbriggan weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Balbriggan has been nearly identical to the historical average, with a temperature of 16 °C (showing only a slight deviation of -0.2 °C).

  • The forecast for the next days in Balbriggan predicts temperatures to be around 16 °C, close to the historical average.

  • In general, the average temperature in Balbriggan at the beginning of September is 17.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.9 °C by the end of September.

    • Rain 🌧️

  • The climate of Balbriggan in September is notably wet, with an average of 11 rainy days, and a total of 50.6 mm of precipitation.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/8°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Balbriggan Weather September

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

Temperatures trend during September in Balbriggan

See the weather trend as well as the moving average line

September weather in Balbriggan day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Overcast
Overcast
 18° /11° 0.3 mm 4
2 Sept. Light rain
Light rain
 17° /10° 2.7 mm 4
3 Sept. Light rain shower
Light rain shower
 16° /9° 16.5 mm 4
4 Sept. Light rain shower
Light rain shower
 17° /8° 1.8 mm 4
5 Sept. Moderate rain
Moderate rain
 16° /8° 2.4 mm 4
6 Sept. Partly cloudy
Partly cloudy
 18° /12° 0.1 mm 5
7 Sept. Fog
Fog
 18° /11° 1.3 mm 4
8 Sept. Patchy rain possible
Patchy rain possible
 18° /8° 2.1 mm 5
9 Sept. Overcast
Overcast
 16° /8° 0.5 mm 4
10 Sept. Light drizzle
Light drizzle
 16° /8° 2.3 mm 4
11 Sept. Light rain shower
Light rain shower
 14° /8° 2.7 mm 3
12 Sept. Patchy rain possible
Patchy rain possible
 14° /6° 1.3 mm 4
13 Sept. Patchy rain possible
Patchy rain possible
 13° /4° 3.4 mm 3
14 Sept. Partly cloudy
Partly cloudy
 18° /9° 2.7 mm 5
15 Sept. Moderate rain
Moderate rain
 14° /11° 6.4 mm 0.3
16 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 0.6 mm 0.8
17 Sept. Moderate rain
Moderate rain
 20° /11° 10.4 mm 0.6
18 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 1.3 mm 0.3
19 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 2.9 mm 0.6
20 Sept. Moderate rain
Moderate rain
 12° /11° 12.7 mm 3
21 Sept. Moderate rain
Moderate rain
 13° /11° 7.5 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 15° /13° 1.6 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 0.2 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 13° /10° 3 mm 3
25 Sept. Partly cloudy
Partly cloudy
 16° /9° 0 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
 16° /8° 0.3 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0.3 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 13° /9° 0.5 mm 3
29 Sept. Light rain shower
Light rain shower
 12° /8° 12 mm 3
30 Sept. Light rain shower
Light rain shower
 11° /6° 7.6 mm 3
Next
Important Notice
Our weather forecast for Balbriggan 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 Balbriggan forecast closer to your planned date for the most up-to-date weather information.
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Balbriggan in September - FAQ

What are the expected maximum and minimum temperatures in Balbriggan 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 Balbriggan during September?
Moderate rainfall is anticipated in Balbriggan during September, with a total of 50.6 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Balbriggan during September?
The average wind speed in Balbriggan during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Balbriggan

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

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Location coordinates Where is Balbriggan?

Get accurate weather forecasts for Balbriggan, located at latitude 53.608 and longitude -6.183. Stay updated with localized weather information tailored for Balbriggan.

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