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Weather in Galway for September 2027

Your guide to Galway weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Galway at the beginning of September is 17.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 14.8 °C by the end of September.

    • Rain 🌧️

  • Galway in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 106.2 mm.

    • More

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

Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/11°
Temperatures
Average wind speed
28 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Galway Weather September

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

Temperatures trend during September in Galway

See the weather trend as well as the moving average line

September weather in Galway day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain
Light rain
 17° /13° 2.9 mm 3
2 Sept. Light rain
Light rain
 16° /12° 2.8 mm 3
3 Sept. Light rain
Light rain
 16° /12° 9.4 mm 4
4 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 0.8 mm 4
5 Sept. Patchy rain possible
Patchy rain possible
 18° /12° 0.5 mm 4
6 Sept. Patchy rain possible
Patchy rain possible
 20° /14° 1.7 mm 4
7 Sept. Light rain
Light rain
 19° /13° 3.8 mm 4
8 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 1.2 mm 4
9 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 1.1 mm 3
10 Sept. Light rain
Light rain
 16° /12° 4.9 mm 3
11 Sept. Light rain
Light rain
 15° /10° 4.3 mm 3
12 Sept. Light rain
Light rain
 15° /10° 6 mm 3
13 Sept. Light rain
Light rain
 15° /10° 2.7 mm 3
14 Sept. Light rain
Light rain
 17° /11° 4.2 mm 3
15 Sept. Light rain
Light rain
 15° /11° 3.5 mm 3
16 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 2.2 mm 3
17 Sept. Light rain
Light rain
 16° /12° 2.6 mm 3.9
18 Sept. Light rain
Light rain
 16° /11° 7.8 mm 3
19 Sept. Light rain
Light rain
 17° /11° 5.8 mm 3.7
20 Sept. Light rain
Light rain
 16° /11° 2.7 mm 3
21 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 1.8 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 14° /10° 1.6 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 16° /9° 0.5 mm 3
24 Sept. Moderate rain
Moderate rain
 16° /10° 6.3 mm 3
25 Sept. Patchy rain possible
Patchy rain possible
 15° /10° 1.5 mm 3
26 Sept. Light rain
Light rain
 14° /9° 6.9 mm 3
27 Sept. Light rain
Light rain
 14° /10° 5.4 mm 3
28 Sept. Light rain
Light rain
 15° /10° 4 mm 3
29 Sept. Light rain
Light rain
 15° /11° 2.7 mm 2.9
30 Sept. Light rain
Light rain
 16° /11° 4.7 mm 2.9
Next
Important Notice
Our weather forecast for Galway 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 Galway forecast closer to your planned date for the most up-to-date weather information.
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Galway in September - FAQ

What are the expected maximum and minimum temperatures in Galway 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 Galway during September?
Significant rainfall exceeding 106.2 mm is expected in Galway during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Galway during September?
The average wind speed in Galway during September is 28 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Galway

Explore the daily rainfall trends and prepare for Galways September weather 💧
Typically, Galway has 17 rainy days in September with a total of 106.2 mm of rainfall.
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Location coordinates Where is Galway?

Get accurate weather forecasts for Galway, located at latitude 53.272 and longitude -9.051. Stay updated with localized weather information tailored for Galway.

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