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Ireland weather

Weather in Dublin for September 2027

Your guide to Dublin weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Dublin at the beginning of September is 17.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14.8 °C by the end of September.

    • Rain 🌧️

  • The climate of Dublin in September is notably wet, with an average of 15 rainy days, and a total of 115.8 mm of precipitation.

    • More

  • Is September a good time to visit Dublin? check out the best time to travel to Dublin page.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/11°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Dublin Weather September

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

Temperatures trend during September in Dublin

See the weather trend as well as the moving average line

September weather in Dublin 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
 17° /12° 0.4 mm 4
2 Sept. Light rain
Light rain
 17° /12° 2.8 mm 4
3 Sept. Moderate rain
Moderate rain
 17° /12° 10.4 mm 4
4 Sept. Light rain
Light rain
 17° /11° 5.3 mm 4
5 Sept. Light rain
Light rain
 17° /11° 3.4 mm 4
6 Sept. Patchy rain possible
Patchy rain possible
 19° /14° 1.5 mm 4
7 Sept. Light rain
Light rain
 18° /13° 3.5 mm 4
8 Sept. Light rain
Light rain
 17° /12° 5.9 mm 4
9 Sept. Light rain
Light rain
 17° /11° 5.3 mm 4
10 Sept. Light rain
Light rain
 17° /12° 3.8 mm 3
11 Sept. Light rain
Light rain
 16° /12° 7.1 mm 4
12 Sept. Patchy rain possible
Patchy rain possible
 15° /10° 2 mm 3
13 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 1.6 mm 3
14 Sept. Light rain
Light rain
 18° /11° 2.7 mm 4
15 Sept. Light rain
Light rain
 15° /11° 7.2 mm 3
16 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 1.4 mm 4
17 Sept. Light rain
Light rain
 16° /11° 5.2 mm 3.9
18 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 1.8 mm 3
19 Sept. Light rain
Light rain
 16° /11° 3.6 mm 3.7
20 Sept. Light rain
Light rain
 16° /10° 3.5 mm 3
21 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 0.7 mm 3.5
22 Sept. Light rain
Light rain
 15° /11° 4.3 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 1.4 mm 3
24 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 1.3 mm 3
25 Sept. Overcast
Overcast
 15° /10° 0.4 mm 3
26 Sept. Light rain
Light rain
 15° /10° 3.3 mm 3.1
27 Sept. Moderate rain
Moderate rain
 14° /9° 10.7 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 14° /8° 0.7 mm 3
29 Sept. Light rain
Light rain
 14° /9° 5.9 mm 2.9
30 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /10° 8.8 mm 2.8
Next
Important Notice
Our weather forecast for Dublin 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 Dublin forecast closer to your planned date for the most up-to-date weather information.
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Dublin in September - FAQ

What are the expected maximum and minimum temperatures in Dublin during September?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Dublin during September?
Significant rainfall exceeding 115.8 mm is expected in Dublin during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Dublin during September?
The average wind speed in Dublin during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Dublin

Explore the daily rainfall trends and prepare for Dublins September weather 💧
Typically, Dublin has 15 rainy days in September with a total of 115.8 mm of rainfall.
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Location coordinates Where is Dublin?

Get accurate weather forecasts for Dublin, located at latitude 53.333 and longitude -6.249. Stay updated with localized weather information tailored for Dublin.

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