Minneapolis in September

In September, Minneapolis averages 23°C (73°F) during the day and 14°C (56°F) at night, with frequent rain — about 15 days of the month see precipitation (98 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

It's peak hurricane season in Minneapolis during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

23°C
Avg high
14°C
Avg low
15
Rain days
98 mm
Rainfall

How September compares to the rest of the year in Minneapolis

4th
warmest month of the 12
6th
wettest month of the 12
10%
of yearly rainfall falls in September
12 h 33 min
daylight on the 15th

September is in the middle of the year for warmth in Minneapolis (4th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 10°C above the annual average (13°C). September runs 4°C cooler than August (27°C) and cools 9°C in October (14°C).

September sunrise & sunset in Minneapolis

🌅
Sunrise (15th)
6:51 AM
🌇
Sunset (15th)
7:25 PM
Day length
12 h 33 min

Times shown for Minneapolis local time (America/Chicago), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Minneapolis — September

Golden-hour and blue-hour windows for the 15th of September, in Minneapolis's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:51 AM – 6:31 AM
🌄 Golden hour (AM)
6:31 AM – 7:31 AM
🌇 Golden hour (PM)
6:45 PM – 7:45 PM
🌆 Blue hour (PM)
7:45 PM – 8:25 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Minneapolis.

📅 When to book — Minneapolis in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Minneapolis's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — September in Minneapolis

Shoulder

Minneapolis is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: excellent tourism weather peak hazard season (1 active)

Sun & mosquito risk — September in Minneapolis

☀️ UV Index (noon, 15th)
8.7
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●●○
High
Peak mosquito activity. DEET 30%+, long sleeves at dawn/dusk, sleep under nets if rural.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Minneapolis in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January -5°C / 24°F -14°C / 7°F 28 mm 13
February -4°C / 25°F -14°C / 6°F 34 mm 11
March 6°C / 42°F -5°C / 23°F 53 mm 13
April 12°C / 54°F 1°C / 35°F 89 mm 19
May 21°C / 69°F 9°C / 49°F 122 mm 17
June 27°C / 80°F 16°C / 61°F 115 mm 16
July 28°C / 83°F 18°C / 64°F 95 mm 16
August 27°C / 80°F 17°C / 62°F 120 mm 16
September 23°C / 73°F 14°C / 56°F 98 mm 15
October 14°C / 56°F 5°C / 41°F 88 mm 13
November 5°C / 41°F -3°C / 27°F 51 mm 13
December -1°C / 29°F -9°C / 15°F 45 mm 11

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Minneapolis in September →

Frequently asked questions

How hot is Minneapolis in September?

In September, Minneapolis averages a high of 23°C (73°F) and a low of 14°C (56°F) — generally mild and pleasant.

Does it rain a lot in Minneapolis in September?

September is quite rainy in Minneapolis, with about 15 rainy days on average.

Is September a good time to visit Minneapolis?

September is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Minneapolis in September?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Minneapolis for a complete, climate-based checklist.

Open Minneapolis on the interactive map

Check the live 10-day forecast and sunrise/sunset.