Silver Bow County (Butte)
September
Weather in Silver Bow County, Montana for September 2027
Your guide to Silver Bow County weather in September - trends and predictions
With an average of 4 rainy days, Silver Bow County experiences minimal rainfall in September.
Is September a good time to visit Silver Bow County? check out the best time to travel to Silver Bow County page.
✨ Is September a good time to visit Silver Bow County? – Ask the AI Weatherman
Rain 🌧️
More
26
Dry days
4
Rainy days
0
Snow days
20°/6°
Temperatures
17 km/h
Avg max wind
51 %
Avg humidity
Silver Bow County Weather September
Move between months or click on a day
Temperatures trend during September in Silver Bow County
See the weather trend as well as the moving average line
September weather in Silver Bow County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 26° /11° | 0.4 mm | 6 | |
| Sept. 2 | Sunny | 25° /11° | 0.1 mm | 6 | |
| Sept. 3 | Sunny | 23° /10° | 0 mm | 6 | |
| Sept. 4 | Sunny | 20° /8° | 0.2 mm | 6.7 | |
| Sept. 5 | Sunny | 20° /5° | 0 mm | 6.6 | |
| Sept. 6 | Sunny | 23° /6° | 0 mm | 5 | |
| Sept. 7 |  Patchy rain possible | 19° /8° | 1.6 mm | 5 | |
| Sept. 8 | Sunny | 19° /4° | 0 mm | 6.3 | |
| Sept. 9 |  Thundery outbreaks possible | 21° /7° | 0 mm | 5 | |
| Sept. 10 | Thundery outbreaks possible | 24° /8° | 0 mm | 6.1 | |
| Sept. 11 | Thundery outbreaks possible | 20° /7° | 0.8 mm | 5 | |
| Sept. 12 | Thundery outbreaks possible | 19° /6° | 0 mm | 3 | |
| Sept. 13 | Thundery outbreaks possible | 19° /6° | 0.1 mm | 5.9 | |
| Sept. 14 | Thundery outbreaks possible | 16° /6° | 0.4 mm | 5.8 | |
| Sept. 15 |  Moderate or heavy rain with thunder | 15° /4° | 10.8 mm | 4 | |
| Sept. 16 |  Overcast | 18° /4° | 0 mm | 5 | |
| Sept. 17 |  Partly cloudy | 22° /7° | 0 mm | 5 | |
| Sept. 18 | Sunny | 22° /8° | 0.9 mm | 4 | |
| Sept. 19 |  Light rain | 16° /8° | 9.4 mm | 3 | |
| Sept. 20 | Sunny | 21° /7° | 0 mm | 5 | |
| Sept. 21 |  Moderate rain | 21° /7° | 22.6 mm | 5 | |
| Sept. 22 | Patchy rain possible | 18° /6° | 2.1 mm | 4 | |
| Sept. 23 | Sunny | 21° /5° | 0 mm | 4.9 | |
| Sept. 24 | Sunny | 24° /7° | 0 mm | 4.9 | |
| Sept. 25 | Sunny | 24° /9° | 0.1 mm | 4.8 | |
| Sept. 26 |  Cloudy | 16° /5° | 0 mm | 4.7 | |
| Sept. 27 | Sunny | 19° /2° | 0.3 mm | 3 | |
| Sept. 28 | Partly cloudy | 20° /6° | 0 mm | 4 | |
| Sept. 29 | Moderate or heavy rain with thunder | 21° /6° | 10.8 mm | 4 | |
| Sept. 30 | Thundery outbreaks possible | 18° /7° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Silver Bow County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Silver Bow County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Silver Bow County in September - FAQ
What are the expected maximum and minimum temperatures in Silver Bow County during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Silver Bow County during September?
Moderate rainfall is anticipated in Silver Bow County during September, with a total of 60.7 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Silver Bow County during September?
The average wind speed in Silver Bow County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Silver Bow County
Explore the daily rainfall trends and prepare for Silver Bow Countys September weather 💧
Typically, Silver Bow County has 4 rainy days in September with a total of 60.7 mm of rainfall.
UV exposure in Silver Bow County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Silver Bow County
Select a location for an accurate weather forecast
More Locations Quick links
More Silver Bow County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.