Keep in mind that Montana is famous for drastic temperature changes due to its high elevation and northern latitude. We will review the data in question. The best times to visit Kalispell for ideal weather are. Average Weather in Kalispell Montana, United States. Average temperatures for September at cities, towns, parks and lakes throughout Montana are listed below in degrees Fahrenheit and Celsius. Get the monthly weather forecast for Kalispell, MT, including daily high/low, historical averages, to help you plan ahead. Station Data. Nearby Weather Stations. December is the snowiest month in Kalispell with 17.7 inches of snow, and 7 months of the year have significant snowfall. Get the monthly weather forecast for Kalispell, MT, including daily high/low, historical averages, to help you plan ahead. Report Station. Weather. Days with noticeable humidity are rare throughout the year. In Kalispell, the summers are short, warm, and partly cloudy and the winters are freezing, dry, and mostly cloudy. Over the course of the year, the temperature typically varies from 17°F to 84°F and is rarely below -2°F or above 93°F. Kalispell, MT Weather History star_ratehome. Monthly: 1981-2010 normals History: 2007-2019 June 18th to September 2nd. Kalispell, MT Weather Calendar star_ratehome. The tables give the normals for maximum and minimum temperatures based on weather … Kalispell Weather History for the Previous 24 Hours Show weather for: Previous 24 hours February 19, 2021 February 18, 2021 February 17, 2021 February 16, 2021 February 15, 2021 February 14, 2021 February 13, 2021 February 12, 2021 February 11, 2021 February 10, 2021 February 9, 2021 February 8, 2021 February 7, 2021 … Thank you for reporting this station. September is in the fall / autumn in Kalispell and is typically the 4th warmest month of the year. August is the hottest month for Kalispell with an average high temperature of 80.8°, which ranks it as cooler than most places in Montana. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Montana in September. You can jump to a separate table for each region of the state: Northwestern, Southwestern, South - Central and Eastern Montana. Today's Weather … Montana weather in September 2021. No PWS. 11 F Glacier Park International Airport Station | Report. Select a destination to see more weather parameters. Daytime maximum temperatures average around a cool 20°C (68°F), whilst at night 4°C (39°F) is normal. Reset Map, or Add PWS. Location: Kalispell, MT. Read below for more weather and travel details. Get the monthly weather forecast for Kalispell, MT, including daily high/low, historical averages, to help you plan ahead. The climate in Kalispell during September can be summarized as mild and reasonably dry. based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Monthly averages Kalispell Longitude: -114.304, Latitude: 48.1786 Average weather Kalispell, MT - 59901. zoom out.