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Bozeman, MT — best months to visit

A college town ringed by ranges, on the road to Yellowstone.

Best months for Bozeman: September — cool days around 73°F, rain on about 7 days a month.

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.

All twelve months

Month	Score	Avg high	Avg low	Rain	Rain days	Daylight	Verdict
January	38	32°	10°	0.44 in	7	9h 03m	An off month
February	45	36°	13°	0.42 in	7	10h 17m	An off month
March	64	46°	22°	0.93 in	8	11h 46m	A shoulder month
April	74	55°	29°	1.68 in	13	13h 27m	A good month
May	89	65°	38°	2.12 in	13	14h 53m	One of the best months
June	89	74°	44°	2.54 in	13	15h 41m	One of the best months
July	77	85°	49°	1.08 in	8	15h 22m	A good month
August	80	84°	47°	0.94 in	8	14h 07m	One of the best months
September ★ Best	96	73°	40°	1.00 in	7	12h 29m	One of the best months
October	81	58°	29°	1.10 in	9	10h 51m	One of the best months
November	53	42°	18°	0.74 in	8	9h 25m	A shoulder month
December	38	32°	10°	0.44 in	7	8h 42m	An off month

Score is rule-derived from the same normals — the rules are published on How we pick. Rain days = days with at least 0.01 in of precipitation.

September in Bozeman: one of the best months (score 96 of 100)

Typical September days in Bozeman reach about 73°F with nights near 40°F.

• An insulated coat, plus a hat and gloves for mornings.
• Layers — afternoons run about 34° warmer than mornings.
• A compact rain layer — about 7 days see rain in a typical September.

Full September page →

Print the Best Months Card