Weather Almanac: Riley, IN 47871

🗓️ Historical norms for September 2025

September avg. precipitation
🌧️ 3.45"
September days below freezing
📉 ≈0.0 days
Average September lows ≈54.0°F
Last Spring Frost (36°F)
🌷 May 5
First Fall Frost (36°F)
🍂 Sep 30
Mon. September 1 Labor Day  

🌅 7:17 a.m.

H: ≈83.2°F

L: ≈59.8°F

🌇 8:19 p.m.

Tue. September 2  

🌅 7:18 a.m.

H: ≈83.0°F

L: ≈59.5°F

🌇 8:17 p.m.

Wed. September 3  

🌅 7:19 a.m.

H: ≈82.8°F

L: ≈59.2°F

🌇 8:16 p.m.

Thu. September 4  

🌅 7:20 a.m.

H: ≈82.6°F

L: ≈58.8°F

🌇 8:14 p.m.

Fri. September 5  

🌅 7:21 a.m.

H: ≈82.3°F

L: ≈58.5°F

🌇 8:13 p.m.

Sat. September 6  

🌅 7:22 a.m.

H: ≈82.1°F

L: ≈58.1°F

🌇 8:11 p.m.

Sun. September 7 🌕

🌅 7:23 a.m.

H: ≈81.8°F

L: ≈57.8°F

🌇 8:10 p.m.

Mon. September 8  

🌅 7:24 a.m.

H: ≈81.5°F

L: ≈57.4°F

🌇 8:08 p.m.

Tue. September 9  

🌅 7:25 a.m.

H: ≈81.2°F

L: ≈57.0°F

🌇 8:06 p.m.

Wed. September 10  

🌅 7:26 a.m.

H: ≈80.9°F

L: ≈56.6°F

🌇 8:05 p.m.

Thu. September 11  

🌅 7:27 a.m.

H: ≈80.6°F

L: ≈56.1°F

🌇 8:03 p.m.

Fri. September 12  

🌅 7:28 a.m.

H: ≈80.2°F

L: ≈55.7°F

🌇 8:01 p.m.

Sat. September 13  

🌅 7:28 a.m.

H: ≈79.9°F

L: ≈55.3°F

🌇 8:00 p.m.

Sun. September 14 Holy Cross 🌗

🌅 7:29 a.m.

H: ≈79.5°F

L: ≈54.8°F

🌇 7:58 p.m.

Mon. September 15  

🌅 7:30 a.m.

H: ≈79.2°F

L: ≈54.4°F

🌇 7:57 p.m.

Tue. September 16  

🌅 7:31 a.m.

H: ≈78.8°F

L: ≈53.9°F

🌇 7:55 p.m.

Wed. September 17  

🌅 7:32 a.m.

H: ≈78.4°F

L: ≈53.5°F

🌇 7:53 p.m.

Thu. September 18  

🌅 7:33 a.m.

H: ≈78.0°F

L: ≈53.0°F

🌇 7:52 p.m.

Fri. September 19  

🌅 7:34 a.m.

H: ≈77.6°F

L: ≈52.5°F

🌇 7:50 p.m.

Sat. September 20  

🌅 7:35 a.m.

H: ≈77.1°F

L: ≈52.1°F

🌇 7:48 p.m.

Sun. September 21 🌑

🌅 7:36 a.m.

H: ≈76.7°F

L: ≈51.6°F

🌇 7:47 p.m.

Mon. September 22 Autumn Equinox  

🌅 7:37 a.m.

H: ≈76.3°F

L: ≈51.1°F

🌇 7:45 p.m.

Tue. September 23  

🌅 7:38 a.m.

H: ≈75.8°F

L: ≈50.7°F

🌇 7:44 p.m.

Wed. September 24  

🌅 7:39 a.m.

H: ≈75.4°F

L: ≈50.2°F

🌇 7:42 p.m.

Thu. September 25  

🌅 7:39 a.m.

H: ≈74.9°F

L: ≈49.8°F

🌇 7:40 p.m.

Fri. September 26  

🌅 7:40 a.m.

H: ≈74.5°F

L: ≈49.4°F

🌇 7:39 p.m.

Sat. September 27  

🌅 7:41 a.m.

H: ≈74.0°F

L: ≈48.9°F

🌇 7:37 p.m.

Sun. September 28  

🌅 7:42 a.m.

H: ≈73.6°F

L: ≈48.5°F

🌇 7:35 p.m.

Mon. September 29 🌓

🌅 7:43 a.m.

H: ≈73.1°F

L: ≈48.1°F

🌇 7:34 p.m.

Tue. September 30  

🌅 7:44 a.m.

H: ≈72.7°F

L: ≈47.7°F

🌇 7:32 p.m.


Temperature climatic data from weather station: TERRE HAUTE CAA AP (USW00093823)

Precipitation climatic data from weather station: TERRE HAUTE CAA AP (USW00093823)

Agricultural climatic data from weather station: TERRE HAUTE HULMAN RGNL AP (USW00003868)