Newcastle in september: average Weather, Temperature and Climate
Weather in Newcastle in september 2025
The weather in Newcastle in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
54°F
Partly Cloudy
31% of time
30%
20%
9%
Weather at 12pm
59°F
Cloudy
35% of time
35%
18%
10%
Weather at 6pm
58°F
Partly Cloudy
29% of time
24%
23%
18%
Weather at 3am
54°F
28%
26%
18%
16%
Evolution of daily average temperature and precipitation in Newcastle in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Newcastle in september.
The climate of Newcastle in september is good
In september in Newcastle, the climate is wet (with 3.7in of precipitation over 5 days). It should be noted an improvement from the previous month since in august it receives an average of 4.9in of precipitation over 7 days.
The climate is quite cool in this city the month of september, but it is liveable by dressing warm. The thermometer averaged maximum of 61°F. On average, the recorded minimum temperature is 54°F. Thus, the mean temperature average in september in Newcastle is 58°F. Note that these seasonal averages are in contrast with those observed in Newcastle in the month of september with a maximum record of 68°F in 2016 and a minimum record of 41°F in 2012. You can expect to have about 3 days with temperatures up to 65°F, or 10% of the month.
Day length in Newcastle in september is 12:42. Sunrise is at 05:57 and sunset is at 18:39.
With a correct climate, the month of september is okay (but not good) to go in this city.
Seasonal average climate and temperature of Newcastle in september
Check below seasonal norms These datas are compiled from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 68°F (2016) | ||||
| Lowest record temperature | 41°F (2012) | ||||
| Number of days at +65°F | 3 day(s) (10%) | ||||
| Sea temperature | |||||
| Average sea temperature | 59°F | ||||
| Lowest sea temperature | 58°F | ||||
| Highest sea temperature | 60°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.7in | ||||
| Number of days with rainfall | 5 day(s) (18%) | ||||
| Record daily rainfall | 2.3in (2010) | ||||
| Other climate data | |||||
| Humidity | 91% | ||||
| Visibility | 9.25km | ||||
| Cloud cover | 53% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:57 | ||||
| Time of sunset | 18:39 | ||||
| Length of day | 12:42 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Newcastle in september 2024:
56°F to 59°F
56°F to 61°F
50°F to 59°F
49°F to 58°F
49°F to 63°F
56°F to 68°F
56°F to 67°F
58°F to 65°F
49°F to 59°F
52°F to 56°F
47°F to 54°F
45°F to 54°F
43°F to 54°F
54°F to 63°F
56°F to 63°F
50°F to 61°F
54°F to 63°F
52°F to 61°F
50°F to 63°F
50°F to 63°F
52°F to 63°F
54°F to 61°F
50°F to 63°F
52°F to 56°F
47°F to 54°F
50°F to 52°F
43°F to 52°F
43°F to 56°F
50°F to 54°F
49°F to 50°F
Map: other cities in Northern Ireland in september
Cities near Newcastle:
| Dundrum in september | good weather |
| Annalong in september | good weather |
| Donwpatrick in september | good weather |
| Kilkeel in september | tolerable weather |
| Warrenpoint in september | tolerable weather |
| Portaferry in september | good weather |
| Newry in september | tolerable weather |
| Banbridge in september | tolerable weather |
| Lisburn in september | tolerable weather |
| Kircubbin in september | good weather |
| Castlereagh in september | tolerable weather |
| Craigavon in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Newcastle
perfect weather
good
tolerable
bad
very bad
Weather data for Newcastle in september:
Weather data for Newcastle for september are derived from an average of the weather forecast since 2009 in Newcastle. There is a margin of error and these forecasts are to be considered as general information only. The weather in Newcastle can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Newcastle.