Weather Almanac: Malvern, IA 51551

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 3.16"
September days below freezing
📉 ≈0.0 days
Average September lows ≈52.8°F
USDA Zone
5b
Annual extreme lows -15°F to -10°F
Last Spring Frost (36°F)
🌷 May 7
First Fall Frost (36°F)
🍂 Sep 23
Mon. September 1 Labor Day  

🌅 6:49 a.m.

H: ≈81.1°F

L: ≈58.1°F

🌇 7:54 p.m.

Tue. September 2  

🌅 6:50 a.m.

H: ≈80.9°F

L: ≈57.8°F

🌇 7:52 p.m.

Wed. September 3  

🌅 6:51 a.m.

H: ≈80.7°F

L: ≈57.5°F

🌇 7:50 p.m.

Thu. September 4  

🌅 6:52 a.m.

H: ≈80.5°F

L: ≈57.2°F

🌇 7:49 p.m.

Fri. September 5  

🌅 6:53 a.m.

H: ≈80.2°F

L: ≈56.9°F

🌇 7:47 p.m.

Sat. September 6  

🌅 6:54 a.m.

H: ≈80.0°F

L: ≈56.6°F

🌇 7:45 p.m.

Sun. September 7 🌕

🌅 6:55 a.m.

H: ≈79.8°F

L: ≈56.3°F

🌇 7:44 p.m.

Mon. September 8  

🌅 6:56 a.m.

H: ≈79.6°F

L: ≈55.9°F

🌇 7:42 p.m.

Tue. September 9  

🌅 6:57 a.m.

H: ≈79.3°F

L: ≈55.6°F

🌇 7:40 p.m.

Wed. September 10  

🌅 6:58 a.m.

H: ≈79.1°F

L: ≈55.2°F

🌇 7:39 p.m.

Thu. September 11  

🌅 6:59 a.m.

H: ≈78.8°F

L: ≈54.9°F

🌇 7:37 p.m.

Fri. September 12  

🌅 7:00 a.m.

H: ≈78.6°F

L: ≈54.5°F

🌇 7:35 p.m.

Sat. September 13  

🌅 7:01 a.m.

H: ≈78.3°F

L: ≈54.1°F

🌇 7:34 p.m.

Sun. September 14 Holy Cross 🌗

🌅 7:02 a.m.

H: ≈78.0°F

L: ≈53.7°F

🌇 7:32 p.m.

Mon. September 15  

🌅 7:03 a.m.

H: ≈77.7°F

L: ≈53.3°F

🌇 7:30 p.m.

Tue. September 16  

🌅 7:04 a.m.

H: ≈77.4°F

L: ≈52.9°F

🌇 7:29 p.m.

Wed. September 17  

🌅 7:05 a.m.

H: ≈77.1°F

L: ≈52.5°F

🌇 7:27 p.m.

Thu. September 18  

🌅 7:06 a.m.

H: ≈76.8°F

L: ≈52.1°F

🌇 7:25 p.m.

Fri. September 19  

🌅 7:07 a.m.

H: ≈76.5°F

L: ≈51.6°F

🌇 7:23 p.m.

Sat. September 20  

🌅 7:08 a.m.

H: ≈76.1°F

L: ≈51.2°F

🌇 7:22 p.m.

Sun. September 21 🌑

🌅 7:09 a.m.

H: ≈75.8°F

L: ≈50.8°F

🌇 7:20 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:10 a.m.

H: ≈75.4°F

L: ≈50.3°F

🌇 7:18 p.m.

Tue. September 23  

🌅 7:11 a.m.

H: ≈75.0°F

L: ≈49.8°F

🌇 7:17 p.m.

Wed. September 24  

🌅 7:12 a.m.

H: ≈74.6°F

L: ≈49.3°F

🌇 7:15 p.m.

Thu. September 25  

🌅 7:13 a.m.

H: ≈74.2°F

L: ≈48.9°F

🌇 7:13 p.m.

Fri. September 26  

🌅 7:14 a.m.

H: ≈73.8°F

L: ≈48.4°F

🌇 7:12 p.m.

Sat. September 27  

🌅 7:15 a.m.

H: ≈73.4°F

L: ≈47.9°F

🌇 7:10 p.m.

Sun. September 28  

🌅 7:16 a.m.

H: ≈72.9°F

L: ≈47.4°F

🌇 7:08 p.m.

Mon. September 29 🌓

🌅 7:17 a.m.

H: ≈72.5°F

L: ≈46.9°F

🌇 7:07 p.m.

Tue. September 30  

🌅 7:18 a.m.

H: ≈72.0°F

L: ≈46.4°F

🌇 7:05 p.m.


Temperature climatic data from weather station: GLENWOOD (USC00133288)

Precipitation climatic data from weather station: RANDOLPH (USC00136891)

Agricultural climatic data from weather station: GLENWOOD 3SW (USC00133290)