Banff National Park in september: average Weather, Temperature and Climate
Weather in Banff National Park in september 2025
The weather in Banff National Park in the month of september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
very bad weather 787.2cm
Weather at 6am
34°F
Snow showers
35% of time
30%
16%
11%
Weather at 12pm
47°F
Clear/Sunny
37% of time
22%
18%
14%
Weather at 6pm
49°F
Clear/Sunny
36% of time
25%
16%
13%
Weather at 3am
34°F
32%
31%
16%
11%
Evolution of daily average temperature and precipitation in Banff National Park in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Banff National Park in september.
The climate of Banff National Park in september is very bad
The climate in september in Banff National Park is wet (with 4in of precipitation over 6 days). The weather is better from the previous month since in august it receives an average of 5.1in of precipitation over 8 days.
The climate is relatively cold in that locality this month, but it is tolerable when dressing cosy. The high seasonal norm is 50°F. The seasonal minimum is 32°F. Thus, the mean temperature average in september in Banff National Park is 41°F. Note that these seasonal averages are in contrast with those observed in Banff National Park in september with a maximum record of 76°F in 2017 and a minimum record of 7°F in 2019. You need to prepare to have about 17 days with temperatures below 32°F, or 57% of the month.
In september in Banff National Park, the days on average last 12:38. The sun rises at 06:19 and sets at 18:57.
September: another location in Canada?
If you want to go to Canada in september, there are destinations with better weather than Banff National Park:
In september, Ottawa, Halifax, Quebec City, Thunder Bay, Toronto and Vancouver have good weather.
Finally, Calgary, Whistler, Edmonton, Kamloops, Lloydminster and Thompson have a tolerable climate, but better than Banff National Park.
Seasonal average climate and temperature of Banff National Park in september
Check below seasonal norms These datas are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 41°F | ||||
| Highest temperature | 50°F | ||||
| Lowest temperature | 32°F | ||||
| Highest record temperature | 76°F (2017) | ||||
| Lowest record temperature | 7°F (2019) | ||||
| Number of days at +65°F | 3 day(s) (10%) | ||||
| Number of days at -32°F | 17 day(s) (57%) | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 29°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4in | ||||
| Number of days with rainfall | 6 day(s) (20%) | ||||
| Record daily rainfall | 1.5in (2016) | ||||
| Snowfall | 787.2cm | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 8.32km | ||||
| Cloud cover | 39% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:19 | ||||
| Time of sunset | 18:57 | ||||
| Length of day | 12:38 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last september?
Here is the day by day recorded weather in Banff National Park in september 2024:
41°F to 74°F
43°F to 76°F
38°F to 68°F
38°F to 63°F
40°F to 74°F
41°F to 76°F
43°F to 76°F
43°F to 76°F
41°F to 70°F
34°F to 50°F
34°F to 59°F
36°F to 50°F
31°F to 54°F
34°F to 47°F
27°F to 56°F
31°F to 63°F
40°F to 61°F
41°F to 58°F
36°F to 52°F
31°F to 41°F
29°F to 47°F
41°F to 47°F
36°F to 49°F
41°F to 58°F
41°F to 61°F
27°F to 43°F
29°F to 45°F
27°F to 54°F
34°F to 40°F
23°F to 38°F
Map: other cities in Canada in september
Cities near Banff National Park:
| Lake Louise in september | very bad weather |
| Moraine Lake in september | very bad weather |
| Canmore in september | very bad weather |
| Glacier National Park in september | tolerable weather |
| Calgary in september | tolerable weather |
| Red Deer in september | tolerable weather |
| Jasper National Park in september | very bad weather |
| Cranbrook in september | good weather |
| Drumheller in september | tolerable weather |
| Salmon Arm in september | good weather |
| Edmonton in september | tolerable weather |
| Lethbridge in september | good weather |
Click over cities on the map for information about the weather in september.
Banff National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Banff National Park in september:
Weather data for Banff National Park for september are derived from an average of the weather forecast since 2009 in Banff National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Banff National Park 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 Banff National Park.