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Redcastle weather in September 2025
Expect 59°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Redcastle in September. There is usually 0 day with some rainfall and 103 inches of average monthly rainfall in September.
- 59°F max day temperature
59
- 3 hours of sunshine per day
- 21 days with some rainfall
21
- 48°F min night temperature
48
- 13 hours of daylight per day
13
- No heat & humidity
0
- 4.1 inches of monthly rainfall
4.1
- 3 (Moderate) UV index
3
- 57°F sea temperature
57
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Recommended for Ireland
The September weather guide for Ireland (Redcastle) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Ireland
How warm is it in Redcastle in September?
Daytime temperatures usually reach 59°F in Redcastle in September, falling to 48°F at night.
How sunny is it in Redcastle in September?
There are normally 3 hours of bright sunshine each day in Redcastle in September - that's 27% of daylight hours.
How warm is the sea around Redcastle in September?
The average sea temperature around Redcastle in September is 57°F.
Does it rain in Redcastle in September?
There are usually 21 days with some rain in Redcastle in September and the average monthly rainfall is 4.1 inches.
Redcastle September sunrise & sunset times
Browse the sunrise and sunset times for Redcastle in September 2025. Select a month to view Redcastle sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:35 | 19:21 |
Monday, 15th September 2025 | 06:01 | 18:45 |
Tuesday, 30th September 2025 | 06:29 | 18:06 |
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