Montana Weather in September

During September, Montana experiences high daytime temperatures of 24°C (75°F) and cooler nights around 13°C (55°F). Expect quite a bit of rainfall. Around 64 mm (2.5 in) is typical.

Rainfall in Montana in September

Expect around 5 days of rain based on historical data, with 64 mm (2.5 in) average. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Montana in September

September is one of the better months to visit Montana. Expect 24°C (75°F) during the day and 13°C (55°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Bulgaria, check out our Montana's climate page.

Montana Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 17%  

Precipitation 64 mm (2.5 in)  

Rainy days 5 days  

Humidity 65% *  

* Data from: Vratsa, Bulgaria (34 KM, 21 Miles).

What to Wear in Montana in September

For Montana in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.

What To Do in Montana in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Bulgaria, check out our Montana's climate page.

More climate data for Montana

Temperature Rainfall Humidity

See the full Montana climate overview or explore weather in Bulgaria.