Arniston in september: average Weather, Temperature and Climate
Weather in Arniston in september 2025
The weather in Arniston 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
59°F
Clear/Sunny
35% of time
26%
24%
11%
Weather at 12pm
65°F
Clear/Sunny
46% of time
27%
19%
7%
Weather at 6pm
59°F
Clear/Sunny
51% of time
22%
17%
10%
Weather at 3am
58°F
37%
27%
24%
11%
Evolution of daily average temperature and precipitation in Arniston in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Arniston in september.
The climate of Arniston in september is good
In september in Arniston, the climate is relatively dry (with 2.4in of precipitation over 4 days). The weather is better from the previous month since in august it receives an average of 3.5in of precipitation over 5 days.
The climate is rather fresh there september, but it is livable when dressing cosy. Temperatures are up to 65°F. The minimum is 59°F. Thus, the mean temperature average on this month of september in Arniston is 61°F. Note that seasonal normals in contrast with those observed in Arniston in september with a maximum record of 81°F in 2019 and a minimum record of 49°F in 2020. You can expect to have about 12 days with temperatures above 65°F, or 40% of time.
Day length in Arniston in september is 11:52. Sunrise is at 06:38 and sunset is at 18:30.
With a good weather, september is advisable to go in this locality.
Seasonal average climate and temperature of Arniston in september
Check below seasonal norms These statistics are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 59°F | ||||
| Highest record temperature | 81°F (2019) | ||||
| Lowest record temperature | 49°F (2020) | ||||
| Number of days at +65°F | 12 day(s) (40%) | ||||
| Sea temperature | |||||
| Average sea temperature | 60°F | ||||
| Lowest sea temperature | 58°F | ||||
| Highest sea temperature | 63°F | ||||
| Wind | |||||
| Wind speed | 31km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.4in | ||||
| Number of days with rainfall | 4 day(s) (13%) | ||||
| Record daily rainfall | 1.2in (2015) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 9.65km | ||||
| Cloud cover | 35% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:38 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 11:52 | ||||
| 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 Arniston in september 2024:
54°F to 61°F
58°F to 67°F
58°F to 63°F
54°F to 59°F
54°F to 56°F
50°F to 58°F
49°F to 59°F
54°F to 58°F
52°F to 59°F
56°F to 61°F
58°F to 63°F
58°F to 61°F
54°F to 61°F
52°F to 63°F
54°F to 61°F
56°F to 59°F
54°F to 61°F
52°F to 63°F
54°F to 58°F
58°F to 61°F
54°F to 61°F
59°F to 63°F
61°F to 65°F
59°F to 65°F
56°F to 63°F
56°F to 63°F
56°F to 61°F
54°F to 63°F
54°F to 58°F
52°F to 56°F
Map: other cities in South Africa in september
Cities near Arniston:
| Cape Agulhas in september | good weather |
| Agulhas National Park in september | good weather |
| Witsand in september | good weather |
| Pearly Beach in september | good weather |
| Gansbaai in september | good weather |
| Hermanus in september | good weather |
| Sanbona Wildlife Reserve in september | good weather |
| Groot-Jongensfontein in september | good weather |
| Still Bay in september | good weather |
| Worcester in september | good weather |
| Stellenbosch in september | good weather |
| Paarl in september | good weather |
Click over cities on the map for information about the weather in september.
Arniston
perfect weather
good
tolerable
bad
very bad
Weather data for Arniston in september:
Weather data for Arniston for september are derived from an average of the weather forecast since 2009 in Arniston. There is a margin of error and these forecasts are to be considered as general information only. The weather in Arniston 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 Arniston.