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Weather in Marquette County, Michigan for September 2025

Your guide to Marquette County weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Marquette County is cooler than usual, with temperatures averaging 16.4 °F, this is -2.8 °F below the typical seasonal average.

  • The forecast for the next days in Marquette County predicts temperatures to be around 21 °F, close to the historical average.

  • In general, the average temperature in Marquette County at the beginning of September is 17.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20 °F by the end of September.

    • Rain 🌧️

  • Marquette County experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 69.8 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Marquette County Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
20°
2
Sunny
22°
3
Patchy rain possible
21°
4
Sunny
19°
5
Moderate or heavy rain shower
14°
6
Moderate rain at times
11°
7
Partly cloudy
13°
8
Moderate or heavy rain shower
20°
9
Sunny
18°
10
Moderate or heavy rain shower
19°
11
Overcast
23°
12
Sunny
24°
13
Sunny
22°
14
Overcast
23°
15
Patchy rain possible
27°
16
Sunny
27°
17
Thundery outbreaks possible
26°
18
Fog
15°
19
Partly cloudy
18°
20
Partly cloudy
19°
21
Patchy rain possible
18°
22
Patchy rain possible
26°
23
Patchy rain possible
22°
24
Sunny
22°
25
Partly cloudy
14°
26
Sunny
15°
27
Sunny
23°
28
Sunny
23°
29
Patchy rain possible
21°
30
Mist
22°

Temperatures trend during September in Marquette County

See the weather trend as well as the moving average line

September weather in Marquette County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
 20° /13° 0.1 mm 5
Sept. 2 Sunny
Sunny
 22° /12° 2.7 mm 6
Sept. 3 Patchy rain possible
Patchy rain possible
 21° /9° 7.9 mm 5
Sept. 4 Sunny
Sunny
 19° /9° 0 mm 5
Sept. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /9° 27.5 mm 4
Sept. 6 Moderate rain at times
Moderate rain at times
 11° /8° 1.8 mm 3
Sept. 7 Partly cloudy
Partly cloudy
 13° /7° 0.2 mm 4
Sept. 8 Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /8° 1.5 mm 5
Sept. 9 Sunny
Sunny
 18° /13° 21.6 mm 5
Sept. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /13° 20.6 mm 4
Sept. 11 Overcast
Overcast
 23° /14° 0.1 mm 5
Sept. 12 Sunny
Sunny
 24° /13° 0 mm 6
Sept. 13 Sunny
Sunny
 22° /14° 6 mm 6
Sept. 14 Overcast
Overcast
 23° /14° 0 mm 6
Sept. 15 Patchy rain possible
Patchy rain possible
 27° /16° 0.3 mm 6
Sept. 16 Sunny
Sunny
 27° /15° 0 mm 1.2
Sept. 17 Thundery outbreaks possible
Thundery outbreaks possible
 26° /16° 0 mm 1.2
Sept. 18 Fog
Fog
 15° /12° 0 mm 1.1
Sept. 19 Partly cloudy
Partly cloudy
 18° /12° 0 mm 1.2
Sept. 20 Partly cloudy
Partly cloudy
 19° /12° 0 mm 0
Sept. 21 Patchy rain possible
Patchy rain possible
 18° /14° 0.2 mm 4
Sept. 22 Patchy rain possible
Patchy rain possible
 26° /17° 2.8 mm 5
Sept. 23 Patchy rain possible
Patchy rain possible
 22° /12° 1.2 mm 4
Sept. 24 Sunny
Sunny
 22° /15° 0 mm 5
Sept. 25 Partly cloudy
Partly cloudy
 14° /7° 0 mm 4
Sept. 26 Sunny
Sunny
 15° /4° 0 mm 3
Sept. 27 Sunny
Sunny
 23° /9° 0 mm 5
Sept. 28 Sunny
Sunny
 23° /12° 0 mm 5
Sept. 29 Patchy rain possible
Patchy rain possible
 21° /13° 1.3 mm 4
Sept. 30 Mist
Mist
 22° /5° 0 mm 5
Next
Important Notice
Our weather forecast for Marquette 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 Marquette County forecast closer to your planned date for the most up-to-date weather information.
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Marquette County in September - FAQ

What are the expected maximum and minimum temperatures in Marquette County during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Marquette County during September?
Moderate rainfall is anticipated in Marquette County during September, with a total of 69.8 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Marquette County during September?
The average wind speed in Marquette County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Marquette County

Explore the daily rainfall trends and prepare for Marquette Countys September weather 💧

UV exposure in Marquette County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Marquette County?

Get accurate weather forecasts for Marquette County, located at latitude 46.544 and longitude -87.395. Stay updated with localized weather information tailored for Marquette County.

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