Weather Almanac: Grand Blanc, MI 48439

🗓️ Historical norms for September 2026

September avg. precipitation
🌧️ 3.80"
September days below freezing
📉 ≈0.1 days
Average September lows ≈49.5°F
USDA Zone
6a
Annual extreme lows -10°F to -5°F
Last Spring Frost (36°F)
🌷 May 28
First Fall Frost (36°F)
🍂 Sep 21
Tue. September 1  

🌅 6:59 a.m.

H: ≈78.9°F

L: ≈54.5°F

🌇 8:08 p.m.

Wed. September 2  

🌅 7:00 a.m.

H: ≈78.7°F

L: ≈54.2°F

🌇 8:07 p.m.

Thu. September 3  

🌅 7:01 a.m.

H: ≈78.5°F

L: ≈53.9°F

🌇 8:05 p.m.

Fri. September 4  

🌅 7:02 a.m.

H: ≈78.3°F

L: ≈53.6°F

🌇 8:03 p.m.

Sat. September 5  

🌅 7:03 a.m.

H: ≈78.1°F

L: ≈53.3°F

🌇 8:02 p.m.

Sun. September 6  

🌅 7:04 a.m.

H: ≈77.8°F

L: ≈53.0°F

🌇 8:00 p.m.

Mon. September 7 Labor Day  

🌅 7:05 a.m.

H: ≈77.6°F

L: ≈52.7°F

🌇 7:58 p.m.

Tue. September 8  

🌅 7:06 a.m.

H: ≈77.3°F

L: ≈52.4°F

🌇 7:56 p.m.

Wed. September 9  

🌅 7:07 a.m.

H: ≈77.0°F

L: ≈52.0°F

🌇 7:54 p.m.

Thu. September 10  

🌅 7:08 a.m.

H: ≈76.7°F

L: ≈51.7°F

🌇 7:53 p.m.

Fri. September 11  

🌅 7:10 a.m.

H: ≈76.4°F

L: ≈51.3°F

🌇 7:51 p.m.

Sat. September 12  

🌅 7:11 a.m.

H: ≈76.1°F

L: ≈51.0°F

🌇 7:49 p.m.

Sun. September 13  

🌅 7:12 a.m.

H: ≈75.8°F

L: ≈50.6°F

🌇 7:47 p.m.

Mon. September 14 Holy Cross  

🌅 7:13 a.m.

H: ≈75.4°F

L: ≈50.2°F

🌇 7:46 p.m.

Tue. September 15  

🌅 7:14 a.m.

H: ≈75.0°F

L: ≈49.8°F

🌇 7:44 p.m.

Wed. September 16  

🌅 7:15 a.m.

H: ≈74.7°F

L: ≈49.4°F

🌇 7:42 p.m.

Thu. September 17  

🌅 7:16 a.m.

H: ≈74.3°F

L: ≈49.1°F

🌇 7:40 p.m.

Fri. September 18  

🌅 7:17 a.m.

H: ≈73.9°F

L: ≈48.7°F

🌇 7:38 p.m.

Sat. September 19  

🌅 7:18 a.m.

H: ≈73.5°F

L: ≈48.3°F

🌇 7:37 p.m.

Sun. September 20  

🌅 7:19 a.m.

H: ≈73.0°F

L: ≈47.9°F

🌇 7:35 p.m.

Mon. September 21  

🌅 7:20 a.m.

H: ≈72.6°F

L: ≈47.5°F

🌇 7:33 p.m.

Tue. September 22 Autumn Equinox  

🌅 7:21 a.m.

H: ≈72.1°F

L: ≈47.1°F

🌇 7:31 p.m.

Wed. September 23  

🌅 7:23 a.m.

H: ≈71.7°F

L: ≈46.7°F

🌇 7:29 p.m.

Thu. September 24  

🌅 7:24 a.m.

H: ≈71.2°F

L: ≈46.3°F

🌇 7:28 p.m.

Fri. September 25  

🌅 7:25 a.m.

H: ≈70.8°F

L: ≈45.9°F

🌇 7:26 p.m.

Sat. September 26 🌕

🌅 7:26 a.m.

H: ≈70.3°F

L: ≈45.5°F

🌇 7:24 p.m.

Sun. September 27  

🌅 7:27 a.m.

H: ≈69.8°F

L: ≈45.1°F

🌇 7:22 p.m.

Mon. September 28  

🌅 7:28 a.m.

H: ≈69.3°F

L: ≈44.7°F

🌇 7:20 p.m.

Tue. September 29  

🌅 7:29 a.m.

H: ≈68.8°F

L: ≈44.4°F

🌇 7:19 p.m.

Wed. September 30  

🌅 7:30 a.m.

H: ≈68.3°F

L: ≈44.0°F

🌇 7:17 p.m.


Temperature climatic data from weather station: GOODRICH (USC00203278)

Precipitation climatic data from weather station: GOODRICH (USC00203278)

Agricultural climatic data from weather station: FLINT BISHOP INTL AP (USW00014826)