Montana in september: average Weather, Temperature and Climate
Weather in Montana in september 2025
The weather in Montana 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
perfect weather UV index: 6
Weather at 6am
63°F
Clear/Sunny
57% of time
27%
9%
5%
Weather at 12pm
76°F
Clear/Sunny
53% of time
27%
13%
4%
Weather at 6pm
67°F
Clear/Sunny
56% of time
24%
14%
4%
Weather at 3am
58°F
56%
25%
12%
4%
Evolution of daily average temperature and precipitation in Montana in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Montana in september.
The climate of Montana in september is perfect
The weather in september in Montana is rather dry (with 2.4in of rainfall over 3 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 2.1in of rainfall over 4 days.
The climate nice around this city september. The high seasonal norm is 77°F. On average, the recorded minimum temperature is 63°F. Thus, the mean temperature average on this month of september in Montana is 70°F. Note that these seasonal averages are in contrast with those observed in Montana in the month of september with a maximum record of 97°F in 2017 and a minimum record of 41°F in 2021. You can expect to have about 4 days with temperatures up to 86°F, or 13 of time.
In september in Montana, the days on average last 12:31. The sun rises at 06:06 and sunset is at 18:37.
With a perfect weather, the month of september is advisable to go there in Bulgaria.
Seasonal average climate and temperature of Montana in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 70°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 63°F | ||||
| Highest record temperature | 97°F (2017) | ||||
| Lowest record temperature | 41°F (2021) | ||||
| Number of days at +86°F | 4 day(s) (13%) | ||||
| Number of days at +65°F | 27 day(s) (90%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 63°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.4in | ||||
| Number of days with rainfall | 3 day(s) (11%) | ||||
| Record daily rainfall | 2in (2013) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 63% | ||||
| Visibility | 9.63km | ||||
| Cloud cover | 24% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:06 | ||||
| Time of sunset | 18:37 | ||||
| Length of day | 12:31 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in Montana in september 2024:
67°F to 90°F
67°F to 90°F
70°F to 94°F
68°F to 92°F
61°F to 88°F
67°F to 88°F
61°F to 85°F
58°F to 83°F
56°F to 85°F
56°F to 74°F
61°F to 65°F
58°F to 83°F
61°F to 85°F
56°F to 63°F
47°F to 58°F
49°F to 61°F
49°F to 68°F
59°F to 74°F
61°F to 70°F
58°F to 67°F
54°F to 72°F
56°F to 76°F
58°F to 79°F
58°F to 81°F
65°F to 81°F
61°F to 81°F
59°F to 83°F
61°F to 83°F
56°F to 74°F
49°F to 58°F
Map: other cities in Bulgaria in september
Cities near Montana:
| Vratsa in september | perfect weather |
| Vidin in september | perfect weather |
| Sofia in september | perfect weather |
| Pleven in september | perfect weather |
| Blagoevgrad in september | good weather |
| Pazardjik in september | perfect weather |
| Bansko in september | good weather |
| Etara in september | perfect weather |
| Pirin National Park in september | good weather |
| Plovdiv in september | perfect weather |
| Kazanlak in september | perfect weather |
| Veliko Tarnovo in september | perfect weather |
Click over cities on the map for information about the weather in september.
Montana
perfect weather
good
tolerable
bad
very bad
Weather data for Montana in september:
Weather data for Montana for september are derived from an average of the weather forecast since 2009 in Montana. There is a margin of error and these forecasts are to be considered as general information only. The weather in Montana 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 Montana.