Weather Almanac: Annapolis, MD 21403

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 4.76"
September days below freezing
📉 ≈0.0 days
Average September lows ≈62.8°F
USDA Zone
8a
Annual extreme lows 10°F to 15°F
Last Spring Frost (36°F)
🌷 Apr 16
First Fall Frost (36°F)
🍂 Oct 28
Mon. September 1 Labor Day  

🌅 6:35 a.m.

H: ≈81.2°F

L: ≈67.2°F

🌇 7:35 p.m.

Tue. September 2  

🌅 6:36 a.m.

H: ≈80.9°F

L: ≈67.1°F

🌇 7:34 p.m.

Wed. September 3  

🌅 6:36 a.m.

H: ≈80.7°F

L: ≈66.9°F

🌇 7:32 p.m.

Thu. September 4  

🌅 6:37 a.m.

H: ≈80.4°F

L: ≈66.6°F

🌇 7:31 p.m.

Fri. September 5  

🌅 6:38 a.m.

H: ≈80.2°F

L: ≈66.4°F

🌇 7:29 p.m.

Sat. September 6  

🌅 6:39 a.m.

H: ≈79.9°F

L: ≈66.2°F

🌇 7:28 p.m.

Sun. September 7 🌕

🌅 6:40 a.m.

H: ≈79.6°F

L: ≈65.9°F

🌇 7:26 p.m.

Mon. September 8  

🌅 6:41 a.m.

H: ≈79.4°F

L: ≈65.7°F

🌇 7:24 p.m.

Tue. September 9  

🌅 6:42 a.m.

H: ≈79.1°F

L: ≈65.4°F

🌇 7:23 p.m.

Wed. September 10  

🌅 6:43 a.m.

H: ≈78.8°F

L: ≈65.1°F

🌇 7:21 p.m.

Thu. September 11  

🌅 6:44 a.m.

H: ≈78.5°F

L: ≈64.8°F

🌇 7:20 p.m.

Fri. September 12  

🌅 6:44 a.m.

H: ≈78.2°F

L: ≈64.5°F

🌇 7:18 p.m.

Sat. September 13  

🌅 6:45 a.m.

H: ≈77.9°F

L: ≈64.1°F

🌇 7:16 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:46 a.m.

H: ≈77.6°F

L: ≈63.8°F

🌇 7:15 p.m.

Mon. September 15  

🌅 6:47 a.m.

H: ≈77.3°F

L: ≈63.4°F

🌇 7:13 p.m.

Tue. September 16  

🌅 6:48 a.m.

H: ≈76.9°F

L: ≈63.0°F

🌇 7:12 p.m.

Wed. September 17  

🌅 6:49 a.m.

H: ≈76.6°F

L: ≈62.7°F

🌇 7:10 p.m.

Thu. September 18  

🌅 6:50 a.m.

H: ≈76.3°F

L: ≈62.3°F

🌇 7:08 p.m.

Fri. September 19  

🌅 6:51 a.m.

H: ≈75.9°F

L: ≈61.9°F

🌇 7:07 p.m.

Sat. September 20  

🌅 6:52 a.m.

H: ≈75.6°F

L: ≈61.4°F

🌇 7:05 p.m.

Sun. September 21 🌑

🌅 6:53 a.m.

H: ≈75.2°F

L: ≈61.0°F

🌇 7:04 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:53 a.m.

H: ≈74.9°F

L: ≈60.6°F

🌇 7:02 p.m.

Tue. September 23  

🌅 6:54 a.m.

H: ≈74.5°F

L: ≈60.1°F

🌇 7:00 p.m.

Wed. September 24  

🌅 6:55 a.m.

H: ≈74.2°F

L: ≈59.7°F

🌇 6:59 p.m.

Thu. September 25  

🌅 6:56 a.m.

H: ≈73.8°F

L: ≈59.2°F

🌇 6:57 p.m.

Fri. September 26  

🌅 6:57 a.m.

H: ≈73.4°F

L: ≈58.7°F

🌇 6:56 p.m.

Sat. September 27  

🌅 6:58 a.m.

H: ≈73.1°F

L: ≈58.3°F

🌇 6:54 p.m.

Sun. September 28  

🌅 6:59 a.m.

H: ≈72.7°F

L: ≈57.8°F

🌇 6:52 p.m.

Mon. September 29 🌓

🌅 7:00 a.m.

H: ≈72.3°F

L: ≈57.3°F

🌇 6:51 p.m.

Tue. September 30  

🌅 7:01 a.m.

H: ≈72.0°F

L: ≈56.9°F

🌇 6:49 p.m.


Temperature climatic data from weather station: ANNAPOLIS NAF (USW00013752)

Precipitation climatic data from weather station: ANNAPOLIS POLICE BRKS (USC00180193)

Agricultural climatic data from weather station: ANNAPOLIS POLICE BRKS (USC00180193)