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St Helier weather in September 2022
- 19°C max day temperature
19 - 6 hours of sunshine per day
- 13 days with some rainfall
13 - 13°C min night temperature
13 - 13 hours of daylight per day
13 - No heat & humidity
0 - 75 mm of monthly rainfall
75 - 4 (Moderate) UV index
4 - 17°C sea temperature
17
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Recommended for Jersey
The September weather guide for Jersey, represented by St Helier, (St Helier) 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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in St Helier in September?
Daytime temperatures usually reach 19°C in St Helier in September, falling to 13°C at night.
How sunny is it in St Helier in September?
There are normally 6 hours of bright sunshine each day in St Helier in September - that's 45% of daylight hours.
How warm is the sea around St Helier in September?
The average sea temperature around St Helier in September is 17°C.
Does it rain in St Helier in September?
There are usually 13 days with some rain in St Helier in September and the average monthly rainfall is 75mm.
St Helier September sunrise & sunset times
Browse the sunrise and sunset times for St Helier in September 2022. Select a month to view St Helier sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Thursday, 1st September 2022 | 06:24 | 19:51 |
| Thursday, 15th September 2022 | 06:45 | 19:22 |
| Friday, 30th September 2022 | 07:06 | 18:50 |
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