Weather in Donegal in September 2019

  • 15°C maximum daytime temperature in September in Donegal15
    15°C max day temperature
  • 3 hours of sunshine per day (27% of daylight hours) in September in Donegal3
    3 hours of sunshine per day
  • 22 days with some rainfall in September in Donegal22
    22 days with some rainfall
  • 8°C minimum night-time temperature in September in Donegal8
    8°C min night temperature
  • 13 hours of daylight per day in September in Donegal13
    13 hours of daylight per day
  • No heat & humidity in September in Donegal0
    No heat & humidity
  • 145 mm monthly rainfall in September in Donegal145
    145 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Donegal3
    3 (Moderate) UV index
  • 15°C sea temperature in September in Donegal15
    15°C sea temperature

Going to Donegal? Find the best month to visit Donegal based on the weather.

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Expect 15°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Donegal in September. Check more long-term weather averages for Donegal in September before you book your next holiday to Ireland in 2019/2020.

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More about Donegal

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Donegal weather in September

The average maximum daytime temperature in Donegal in September is a comfortable 15°C (59°F). The average night-time temperature is usually a cool 8°C (46°F). There are usually 3 hours of bright sunshine each day, which represents 27% of the 13 hours of daylight.

Expect 145mm (5.7 inches) of rainfall across the whole of September with 22 days with some rain falling. Maximum UV levels will be moderate (3 UV index) at midday when the skies are clear.

The average sea temperature in and around Donegal in September is 15°C (59°F).

Donegal sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Donegal in September 2019. Select a month to view Donegal sunrise & sunset times for the next twelve months.

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Date Sunrise times Sunset times
Sunday, 1st September 2019 05:39 19:25
Monday, 2nd September 2019 05:41 19:23
Tuesday, 3rd September 2019 05:42 19:20
Wednesday, 4th September 2019 05:44 19:18
Thursday, 5th September 2019 05:46 19:15
Friday, 6th September 2019 05:48 19:13
Saturday, 7th September 2019 05:50 19:10
Sunday, 8th September 2019 05:52 19:08
Monday, 9th September 2019 05:53 19:05
Tuesday, 10th September 2019 05:55 19:03
Wednesday, 11th September 2019 05:57 19:00
Thursday, 12th September 2019 05:59 18:58
Friday, 13th September 2019 06:01 18:55
Saturday, 14th September 2019 06:03 18:53
Sunday, 15th September 2019 06:04 18:50
Monday, 16th September 2019 06:06 18:47
Tuesday, 17th September 2019 06:08 18:45
Wednesday, 18th September 2019 06:10 18:42
Thursday, 19th September 2019 06:12 18:40
Friday, 20th September 2019 06:14 18:37
Saturday, 21st September 2019 06:15 18:35
Sunday, 22nd September 2019 06:17 18:32
Monday, 23rd September 2019 06:19 18:30
Tuesday, 24th September 2019 06:21 18:27
Wednesday, 25th September 2019 06:23 18:24
Thursday, 26th September 2019 06:25 18:22
Friday, 27th September 2019 06:27 18:19
Saturday, 28th September 2019 06:28 18:17
Sunday, 29th September 2019 06:30 18:14
Monday, 30th September 2019 06:32 18:12
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