Weather Almanac: Chattanooga, TN 37409

🗓️ Historical norms for September 2025

August October

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

September avg. precipitation

🌧️ 4.60"

September days below freezing

📉 ≈0.0 days

Average September lows 59°F – 64°F

USDA Zone

Annual extreme lows 10°F to 15°F

Last Spring Frost (36°F)

🌷 Apr 18

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First Fall Frost (36°F)

🍂 Oct 23

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Mon. September 1 Labor Day

🌅 7:14 a.m.

H: 76°F – 88°F

L: 62°F – 70°F

🌇 8:07 p.m.

Tue. September 2

🌅 7:15 a.m.

H: 76°F – 88°F

L: 62°F – 70°F

🌇 8:06 p.m.

Wed. September 3

🌅 7:15 a.m.

H: 76°F – 87°F

L: 61°F – 70°F

🌇 8:04 p.m.

Thu. September 4

🌅 7:16 a.m.

H: 75°F – 87°F

L: 61°F – 69°F

🌇 8:03 p.m.

Fri. September 5

🌅 7:17 a.m.

H: 75°F – 87°F

L: 61°F – 69°F

🌇 8:02 p.m.

Sat. September 6

🌅 7:18 a.m.

H: 75°F – 86°F

L: 60°F – 69°F

🌇 8:00 p.m.

Sun. September 7

🌅 7:18 a.m.

H: 75°F – 86°F

L: 60°F – 69°F

🌇 7:59 p.m.

Mon. September 8

🌅 7:19 a.m.

H: 74°F – 86°F

L: 60°F – 69°F

🌇 7:57 p.m.

Tue. September 9

🌅 7:20 a.m.

H: 74°F – 85°F

L: 59°F – 68°F

🌇 7:56 p.m.

Wed. September 10

🌅 7:20 a.m.

H: 73°F – 85°F

L: 59°F – 68°F

🌇 7:54 p.m.

Thu. September 11

🌅 7:21 a.m.

H: 73°F – 85°F

L: 58°F – 68°F

🌇 7:53 p.m.

Fri. September 12

🌅 7:22 a.m.

H: 73°F – 84°F

L: 58°F – 68°F

🌇 7:52 p.m.

Sat. September 13

🌅 7:23 a.m.

H: 72°F – 84°F

L: 57°F – 67°F

🌇 7:50 p.m.

Sun. September 14 Holy Cross

🌅 7:23 a.m.

H: 72°F – 84°F

L: 57°F – 67°F

🌇 7:49 p.m.

Mon. September 15

🌅 7:24 a.m.

H: 71°F – 83°F

L: 56°F – 67°F

🌇 7:47 p.m.

Tue. September 16

🌅 7:25 a.m.

H: 71°F – 83°F

L: 56°F – 67°F

🌇 7:46 p.m.

Wed. September 17

🌅 7:25 a.m.

H: 70°F – 83°F

L: 55°F – 66°F

🌇 7:44 p.m.

Thu. September 18

🌅 7:26 a.m.

H: 70°F – 82°F

L: 55°F – 66°F

🌇 7:43 p.m.

Fri. September 19

🌅 7:27 a.m.

H: 70°F – 82°F

L: 54°F – 66°F

🌇 7:41 p.m.

Sat. September 20

🌅 7:28 a.m.

H: 69°F – 82°F

L: 54°F – 65°F

🌇 7:40 p.m.

Sun. September 21

🌅 7:28 a.m.

H: 69°F – 81°F

L: 53°F – 65°F

🌇 7:39 p.m.

Mon. September 22 Autumn Equinox

🌅 7:29 a.m.

H: 68°F – 81°F

L: 53°F – 65°F

🌇 7:37 p.m.

Tue. September 23

🌅 7:30 a.m.

H: 68°F – 81°F

L: 52°F – 65°F

🌇 7:36 p.m.

Wed. September 24

🌅 7:31 a.m.

H: 67°F – 80°F

L: 52°F – 64°F

🌇 7:34 p.m.

Thu. September 25

🌅 7:31 a.m.

H: 67°F – 80°F

L: 51°F – 64°F

🌇 7:33 p.m.

Fri. September 26

🌅 7:32 a.m.

H: 67°F – 80°F

L: 51°F – 64°F

🌇 7:31 p.m.

Sat. September 27

🌅 7:33 a.m.

H: 66°F – 79°F

L: 50°F – 63°F

🌇 7:30 p.m.

Sun. September 28

🌅 7:34 a.m.

H: 66°F – 79°F

L: 50°F – 63°F

🌇 7:29 p.m.

Mon. September 29

🌅 7:34 a.m.

H: 65°F – 79°F

L: 49°F – 63°F

🌇 7:27 p.m.

Tue. September 30

🌅 7:35 a.m.

H: 65°F – 78°F

L: 49°F – 62°F

🌇 7:26 p.m.

August October

Jan. Feb. Mar. Apr. May. Jun. Jul. Aug. Sep. Oct. Nov. Dec.

Temperature climatic data from weather station: LOOKOUT MTN-POINT PARK (USC00405431)

Precipitation climatic data from weather station: LOOKOUT MTN-POINT PARK (USC00405431)

Agricultural climatic data from weather station: LOOKOUT MTN-POINT PARK (USC00405431)