Weather Almanac: Manassas, VA 20110

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 3.92"
September days below freezing
📉 ≈0.0 days
Average September lows ≈57.5°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 May 8
First Fall Frost (36°F)
🍂 Oct 4
Mon. September 1 Labor Day  

🌅 6:39 a.m.

H: ≈84.5°F

L: ≈63.5°F

🌇 7:39 p.m.

Tue. September 2  

🌅 6:40 a.m.

H: ≈84.3°F

L: ≈63.1°F

🌇 7:38 p.m.

Wed. September 3  

🌅 6:41 a.m.

H: ≈84.0°F

L: ≈62.8°F

🌇 7:36 p.m.

Thu. September 4  

🌅 6:42 a.m.

H: ≈83.7°F

L: ≈62.4°F

🌇 7:35 p.m.

Fri. September 5  

🌅 6:42 a.m.

H: ≈83.5°F

L: ≈62.1°F

🌇 7:33 p.m.

Sat. September 6  

🌅 6:43 a.m.

H: ≈83.2°F

L: ≈61.7°F

🌇 7:31 p.m.

Sun. September 7 🌕

🌅 6:44 a.m.

H: ≈82.9°F

L: ≈61.3°F

🌇 7:30 p.m.

Mon. September 8  

🌅 6:45 a.m.

H: ≈82.6°F

L: ≈60.9°F

🌇 7:28 p.m.

Tue. September 9  

🌅 6:46 a.m.

H: ≈82.3°F

L: ≈60.5°F

🌇 7:27 p.m.

Wed. September 10  

🌅 6:47 a.m.

H: ≈81.9°F

L: ≈60.1°F

🌇 7:25 p.m.

Thu. September 11  

🌅 6:48 a.m.

H: ≈81.6°F

L: ≈59.7°F

🌇 7:24 p.m.

Fri. September 12  

🌅 6:49 a.m.

H: ≈81.2°F

L: ≈59.2°F

🌇 7:22 p.m.

Sat. September 13  

🌅 6:49 a.m.

H: ≈80.9°F

L: ≈58.8°F

🌇 7:20 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:50 a.m.

H: ≈80.5°F

L: ≈58.3°F

🌇 7:19 p.m.

Mon. September 15  

🌅 6:51 a.m.

H: ≈80.2°F

L: ≈57.9°F

🌇 7:17 p.m.

Tue. September 16  

🌅 6:52 a.m.

H: ≈79.8°F

L: ≈57.4°F

🌇 7:16 p.m.

Wed. September 17  

🌅 6:53 a.m.

H: ≈79.4°F

L: ≈57.0°F

🌇 7:14 p.m.

Thu. September 18  

🌅 6:54 a.m.

H: ≈79.0°F

L: ≈56.5°F

🌇 7:12 p.m.

Fri. September 19  

🌅 6:55 a.m.

H: ≈78.6°F

L: ≈56.1°F

🌇 7:11 p.m.

Sat. September 20  

🌅 6:56 a.m.

H: ≈78.2°F

L: ≈55.6°F

🌇 7:09 p.m.

Sun. September 21 🌑

🌅 6:57 a.m.

H: ≈77.8°F

L: ≈55.1°F

🌇 7:08 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:57 a.m.

H: ≈77.4°F

L: ≈54.6°F

🌇 7:06 p.m.

Tue. September 23  

🌅 6:58 a.m.

H: ≈76.9°F

L: ≈54.2°F

🌇 7:04 p.m.

Wed. September 24  

🌅 6:59 a.m.

H: ≈76.5°F

L: ≈53.7°F

🌇 7:03 p.m.

Thu. September 25  

🌅 7:00 a.m.

H: ≈76.1°F

L: ≈53.2°F

🌇 7:01 p.m.

Fri. September 26  

🌅 7:01 a.m.

H: ≈75.7°F

L: ≈52.8°F

🌇 7:00 p.m.

Sat. September 27  

🌅 7:02 a.m.

H: ≈75.2°F

L: ≈52.3°F

🌇 6:58 p.m.

Sun. September 28  

🌅 7:03 a.m.

H: ≈74.8°F

L: ≈51.8°F

🌇 6:56 p.m.

Mon. September 29 🌓

🌅 7:04 a.m.

H: ≈74.4°F

L: ≈51.4°F

🌇 6:55 p.m.

Tue. September 30  

🌅 7:05 a.m.

H: ≈74.0°F

L: ≈50.9°F

🌇 6:53 p.m.


Temperature climatic data from weather station: MANASSAS (USC00445204)

Precipitation climatic data from weather station: WASHINGTON DC DULLES AP (USW00093738)

Agricultural climatic data from weather station: WASHINGTON DC DULLES AP (USW00093738)