Weather Almanac: Windsor, MA 01270

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 4.16"
September days below freezing
📉 ≈0.4 days
Average September lows ≈48.5°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 May 22
First Fall Frost (36°F)
🍂 Sep 24
Mon. September 1 Labor Day  

🌅 6:17 a.m.

H: ≈72.0°F

L: ≈53.5°F

🌇 7:25 p.m.

Tue. September 2  

🌅 6:18 a.m.

H: ≈71.7°F

L: ≈53.3°F

🌇 7:24 p.m.

Wed. September 3  

🌅 6:19 a.m.

H: ≈71.5°F

L: ≈53.0°F

🌇 7:22 p.m.

Thu. September 4  

🌅 6:20 a.m.

H: ≈71.2°F

L: ≈52.7°F

🌇 7:20 p.m.

Fri. September 5  

🌅 6:21 a.m.

H: ≈70.9°F

L: ≈52.5°F

🌇 7:18 p.m.

Sat. September 6  

🌅 6:22 a.m.

H: ≈70.6°F

L: ≈52.2°F

🌇 7:17 p.m.

Sun. September 7 🌕

🌅 6:23 a.m.

H: ≈70.3°F

L: ≈51.8°F

🌇 7:15 p.m.

Mon. September 8  

🌅 6:24 a.m.

H: ≈70.0°F

L: ≈51.5°F

🌇 7:13 p.m.

Tue. September 9  

🌅 6:26 a.m.

H: ≈69.7°F

L: ≈51.2°F

🌇 7:11 p.m.

Wed. September 10  

🌅 6:27 a.m.

H: ≈69.3°F

L: ≈50.8°F

🌇 7:10 p.m.

Thu. September 11  

🌅 6:28 a.m.

H: ≈69.0°F

L: ≈50.5°F

🌇 7:08 p.m.

Fri. September 12  

🌅 6:29 a.m.

H: ≈68.6°F

L: ≈50.1°F

🌇 7:06 p.m.

Sat. September 13  

🌅 6:30 a.m.

H: ≈68.2°F

L: ≈49.8°F

🌇 7:04 p.m.

Sun. September 14 Holy Cross 🌗

🌅 6:31 a.m.

H: ≈67.9°F

L: ≈49.4°F

🌇 7:03 p.m.

Mon. September 15  

🌅 6:32 a.m.

H: ≈67.5°F

L: ≈49.0°F

🌇 7:01 p.m.

Tue. September 16  

🌅 6:33 a.m.

H: ≈67.1°F

L: ≈48.6°F

🌇 6:59 p.m.

Wed. September 17  

🌅 6:34 a.m.

H: ≈66.7°F

L: ≈48.2°F

🌇 6:57 p.m.

Thu. September 18  

🌅 6:35 a.m.

H: ≈66.2°F

L: ≈47.7°F

🌇 6:56 p.m.

Fri. September 19  

🌅 6:36 a.m.

H: ≈65.8°F

L: ≈47.3°F

🌇 6:54 p.m.

Sat. September 20  

🌅 6:37 a.m.

H: ≈65.4°F

L: ≈46.9°F

🌇 6:52 p.m.

Sun. September 21 🌑

🌅 6:38 a.m.

H: ≈65.0°F

L: ≈46.5°F

🌇 6:50 p.m.

Mon. September 22 Autumn Equinox  

🌅 6:39 a.m.

H: ≈64.6°F

L: ≈46.0°F

🌇 6:48 p.m.

Tue. September 23  

🌅 6:40 a.m.

H: ≈64.1°F

L: ≈45.6°F

🌇 6:47 p.m.

Wed. September 24  

🌅 6:42 a.m.

H: ≈63.7°F

L: ≈45.2°F

🌇 6:45 p.m.

Thu. September 25  

🌅 6:43 a.m.

H: ≈63.3°F

L: ≈44.7°F

🌇 6:43 p.m.

Fri. September 26  

🌅 6:44 a.m.

H: ≈62.8°F

L: ≈44.3°F

🌇 6:41 p.m.

Sat. September 27  

🌅 6:45 a.m.

H: ≈62.4°F

L: ≈43.8°F

🌇 6:40 p.m.

Sun. September 28  

🌅 6:46 a.m.

H: ≈62.0°F

L: ≈43.4°F

🌇 6:38 p.m.

Mon. September 29 🌓

🌅 6:47 a.m.

H: ≈61.5°F

L: ≈43.0°F

🌇 6:36 p.m.

Tue. September 30  

🌅 6:48 a.m.

H: ≈61.1°F

L: ≈42.5°F

🌇 6:34 p.m.


Temperature climatic data from weather station: SAVOY (USC00197230)

Precipitation climatic data from weather station: PLAINFIELD 2 (USC00196435)

Agricultural climatic data from weather station: CUMMINGTON HILL (USC00191774)