DeKalb, us-Illinois State, USA in September 2025 Historical Weather Query

Temperature Unit：

Wind Speed Unit：

Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
1 13.4 56.1 ~ 25.2°C 77.4°F Sunrise: 06:21 Sunset: 19:28	2 12.4 54.3 ~ 25.2°C 77.4°F Sunrise: 06:22 Sunset: 19:26	3 12.9 55.2 ~ 20.8°C 69.4°F Sunrise: 06:23 Sunset: 19:24	4 8.1 46.6 ~ 17.7°C 63.9°F Sunrise: 06:24 Sunset: 19:23	5 10.1 50.2 ~ 17.1°C 62.8°F Sunrise: 06:25 Sunset: 19:21	6 8.4 47.1 ~ 17.6°C 63.7°F Sunrise: 06:26 Sunset: 19:19	7 7.2 45 ~ 18.6°C 65.5°F Sunrise: 06:27 Sunset: 19:18
8 7.8 46 ~ 20.9°C 69.6°F Sunrise: 06:28 Sunset: 19:16	9 10.1 50.2 ~ 22.6°C 72.7°F Sunrise: 06:29 Sunset: 19:14	10 12.9 55.2 ~ 25.6°C 78.1°F Sunrise: 06:30 Sunset: 19:12	11 15.1 59.2 ~ 26.3°C 79.3°F Sunrise: 06:31 Sunset: 19:11	12 14.6 58.3 ~ 27.8°C 82°F Sunrise: 06:32 Sunset: 19:09	13 18 64.4 ~ 27.4°C 81.3°F Sunrise: 06:33 Sunset: 19:07	14 17.8 64 ~ 28.6°C 83.5°F Sunrise: 06:34 Sunset: 19:05
15 17.6 63.7 ~ 28.4°C 83.1°F Sunrise: 06:35 Sunset: 19:04	16 15.9 60.6 ~ 28.3°C 82.9°F Sunrise: 06:36 Sunset: 19:02	17 14.8 58.6 ~ 28.3°C 82.9°F Sunrise: 06:37 Sunset: 19:00	18 15.2 59.4 ~ 29°C 84.2°F Sunrise: 06:38 Sunset: 18:58	19 17.2 63 ~ 28.1°C 82.6°F Sunrise: 06:39 Sunset: 18:56	20 16.4 61.5 ~ 25.5°C 77.9°F Sunrise: 06:40 Sunset: 18:55	21 16.7 62.1 ~ 24.8°C 76.6°F Sunrise: 06:41 Sunset: 18:53
22 17.3 63.1 ~ 25.4°C 77.7°F Sunrise: 06:42 Sunset: 18:51	23 16.5 61.7 ~ 26°C 78.8°F Sunrise: 06:43 Sunset: 18:50	24 14.6 58.3 ~ 22.8°C 73°F Sunrise: 06:44 Sunset: 18:48	25 12.9 55.2 ~ 23.9°C 75°F Sunrise: 06:45 Sunset: 18:46	26 12.9 55.2 ~ 28.5°C 83.3°F Sunrise: 06:47 Sunset: 18:44	27 15.9 60.6 ~ 29.3°C 84.7°F Sunrise: 06:48 Sunset: 18:43	28 16.4 61.5 ~ 28.4°C 83.1°F Sunrise: 06:49 Sunset: 18:41
29 15.6 60.1 ~ 30.4°C 86.7°F Sunrise: 06:50 Sunset: 18:39	30 15.8 60.4 ~ 28.9°C 84°F Sunrise: 06:51 Sunset: 18:37

DeKalb, us-Illinois State, USA September 2025, including Minimum Temperature, Maximum Temperature, Total Precipitation, Total Snowfall, Rainy Days, Snowy Days, Maximum Wind Speed etc. Minimum Temperature is 7.2 °C, Maximum Temperature is 30.4 °C, Total Precipitation is 33.5 mm, Total Snowfall is 0 cm, Rainy Days is 9 days, Snowy Days is 0 days, Maximum Wind Speed is 51.5 km/h.

Show Fields

Wind Speed Wind Direction Apparent Temperature Precipitation Snowfall Sunshine Duration Shortwave Radiation ET0 FAO Evapotranspiration

Date

Weather

Temperature

Wind Speed

Wind Direction

Apparent Temperature

Precipitation

Snowfall

Sunshine Duration

Shortwave Radiation

ET0 FAO Evapotranspiration

9/1

Mainly clear

13.4 56.1

25.2°C 77.4°F

25.6 km/h 15.9 mph 7.1 m/s 13.8 knots

↑

12.9 ~ 25.3°C 55.2 ~ 77.5°F

0 mm

0 cm

12 h

21.3 MJ/m²

4.3 mm

9/2

Overcast

12.4 54.3

25.2°C 77.4°F

18 km/h 11.2 mph 5 m/s 9.7 knots

↑

12.1 ~ 25.8°C 53.8 ~ 78.4°F

0 mm

0 cm

12 h

22.4 MJ/m²

4.2 mm

9/3

Moderate rain

12.9 55.2

20.8°C 69.4°F

48.2 km/h 30 mph 13.4 m/s 26 knots

↑

10.2 ~ 20.4°C 50.4 ~ 68.7°F

9 mm

0 cm

3 h

8.7 MJ/m²

2.1 mm

9/4

Overcast

8.1 46.6

17.7°C 63.9°F

38.5 km/h 23.9 mph 10.7 m/s 20.8 knots

↑

6.2 ~ 14.6°C 43.2 ~ 58.3°F

0 mm

0 cm

11.9 h

21.6 MJ/m²

3.7 mm

9/5

Light drizzle

10.1 50.2

17.1°C 62.8°F

51.5 km/h 32 mph 14.3 m/s 27.8 knots

↑

7.7 ~ 12.9°C 45.9 ~ 55.2°F

0.1 mm

0 cm

11.5 h

16.2 MJ/m²

3.6 mm

9/6

Light drizzle

8.4 47.1

17.6°C 63.7°F

43.6 km/h 27.1 mph 12.1 m/s 23.5 knots

↑

5.7 ~ 13.7°C 42.3 ~ 56.7°F

0.1 mm

0 cm

9.2 h

17.4 MJ/m²

3.3 mm

9/7

Partly cloudy

7.2 45

18.6°C 65.5°F

32.4 km/h 20.1 mph 9 m/s 17.5 knots

↑

4.8 ~ 16°C 40.6 ~ 60.8°F

0 mm

0 cm

11.8 h

20.9 MJ/m²

3.4 mm

9/8

Mainly clear

7.8 46

20.9°C 69.6°F

31.7 km/h 19.7 mph 8.8 m/s 17.1 knots

↑

5.8 ~ 19.4°C 42.4 ~ 66.9°F

0 mm

0 cm

11.8 h

22.1 MJ/m²

4 mm

9/9

Overcast

10.1 50.2

22.6°C 72.7°F

29.5 km/h 18.3 mph 8.2 m/s 15.9 knots

↑

7.4 ~ 21.1°C 45.3 ~ 70°F

0 mm

0 cm

11.4 h

19.9 MJ/m²

3.9 mm

9/10

Overcast

12.9 55.2

25.6°C 78.1°F

23.4 km/h 14.5 mph 6.5 m/s 12.6 knots

↑

12 ~ 25.7°C 53.6 ~ 78.3°F

0 mm

0 cm

11.8 h

21.3 MJ/m²

4.2 mm

9/11

Partly cloudy

15.1 59.2

26.3°C 79.3°F

33.1 km/h 20.6 mph 9.2 m/s 17.9 knots

↑

15.2 ~ 27.5°C 59.4 ~ 81.5°F

0 mm

0 cm

11.7 h

17.8 MJ/m²

3.8 mm

9/12

Overcast

14.6 58.3

27.8°C 82°F

31 km/h 19.3 mph 8.6 m/s 16.7 knots

↑

14.4 ~ 27.6°C 57.9 ~ 81.7°F

0 mm

0 cm

11.7 h

20.8 MJ/m²

4.5 mm

9/13

Moderate rain

18 64.4

27.4°C 81.3°F

37.8 km/h 23.5 mph 10.5 m/s 20.4 knots

↑

17.2 ~ 30.6°C 63 ~ 87.1°F

8.5 mm

0 cm

9.4 h

15.9 MJ/m²

3.5 mm

9/14

Overcast

17.8 64

28.6°C 83.5°F

26.6 km/h 16.5 mph 7.4 m/s 14.4 knots

↑

19 ~ 31.4°C 66.2 ~ 88.5°F

0 mm

0 cm

10.6 h

19.6 MJ/m²

4.1 mm

9/15

Clear sky

17.6 63.7

28.4°C 83.1°F

26.3 km/h 16.3 mph 7.3 m/s 14.2 knots

↑

16.9 ~ 29.8°C 62.4 ~ 85.6°F

0 mm

0 cm

11.6 h

20.6 MJ/m²

4.6 mm

9/16

Clear sky

15.9 60.6

28.3°C 82.9°F

23 km/h 14.3 mph 6.4 m/s 12.4 knots

↑

16.6 ~ 30.2°C 61.9 ~ 86.4°F

0 mm

0 cm

11.5 h

20.4 MJ/m²

4.2 mm

9/17

Overcast

14.8 58.6

28.3°C 82.9°F

19.4 km/h 12.1 mph 5.4 m/s 10.5 knots

↑

14.8 ~ 29.2°C 58.6 ~ 84.6°F

0 mm

0 cm

11.5 h

20.2 MJ/m²

4 mm

9/18

Overcast

15.2 59.4

29°C 84.2°F

26.6 km/h 16.5 mph 7.4 m/s 14.4 knots

↑

15.5 ~ 30.6°C 59.9 ~ 87.1°F

0 mm

0 cm

11.4 h

19.6 MJ/m²

4.1 mm

9/19

Slight rain

17.2 63

28.1°C 82.6°F

32.8 km/h 20.4 mph 9.1 m/s 17.7 knots

↑

17 ~ 28.8°C 62.6 ~ 83.8°F

1.9 mm

0 cm

8.9 h

14.3 MJ/m²

3.6 mm

9/20

Moderate rain

16.4 61.5

25.5°C 77.9°F

31.3 km/h 19.4 mph 8.7 m/s 16.9 knots

↑

16.4 ~ 26.4°C 61.5 ~ 79.5°F

3.3 mm

0 cm

8.4 h

12.7 MJ/m²

2.7 mm

9/21

Moderate rain

16.7 62.1

24.8°C 76.6°F

36.4 km/h 22.6 mph 10.1 m/s 19.7 knots

↑

18.2 ~ 25.6°C 64.8 ~ 78.1°F

7.9 mm

0 cm

7.4 h

10.7 MJ/m²

2.2 mm

9/22

Moderate drizzle

17.3 63.1

25.4°C 77.7°F

34.6 km/h 21.5 mph 9.6 m/s 18.7 knots

↑

18.6 ~ 25.7°C 65.5 ~ 78.3°F

0.6 mm

0 cm

8.1 h

14.2 MJ/m²

2.8 mm

9/23

Dense drizzle

16.5 61.7

26°C 78.8°F

35.3 km/h 21.9 mph 9.8 m/s 19.1 knots

↑

16.6 ~ 27.5°C 61.9 ~ 81.5°F

2.1 mm

0 cm

8.3 h

14.8 MJ/m²

2.9 mm

9/24

Overcast

14.6 58.3

22.8°C 73°F

35.3 km/h 21.9 mph 9.8 m/s 19.1 knots

↑

14.2 ~ 21.6°C 57.6 ~ 70.9°F

0 mm

0 cm

6.9 h

12.4 MJ/m²

2.8 mm

9/25

Mainly clear

12.9 55.2

23.9°C 75°F

27 km/h 16.8 mph 7.5 m/s 14.6 knots

↑

11.6 ~ 23.1°C 52.9 ~ 73.6°F

0 mm

0 cm

11 h

18.4 MJ/m²

3.5 mm

9/26

Clear sky

12.9 55.2

28.5°C 83.3°F

32 km/h 19.9 mph 8.9 m/s 17.3 knots

↑

11.4 ~ 27.2°C 52.5 ~ 81°F

0 mm

0 cm

10.9 h

18.5 MJ/m²

4.2 mm

9/27

Partly cloudy

15.9 60.6

29.3°C 84.7°F

40.3 km/h 25 mph 11.2 m/s 21.8 knots

↑

15.1 ~ 26.9°C 59.2 ~ 80.4°F

0 mm

0 cm

10.9 h

18.4 MJ/m²

4.8 mm

9/28

Partly cloudy

16.4 61.5

28.4°C 83.1°F

34.2 km/h 21.3 mph 9.5 m/s 18.5 knots

↑

16.4 ~ 29.8°C 61.5 ~ 85.6°F

0 mm

0 cm

10.8 h

17.7 MJ/m²

3.9 mm

9/29

Clear sky

15.6 60.1

30.4°C 86.7°F

22 km/h 13.7 mph 6.1 m/s 11.9 knots

↑

15.4 ~ 30.5°C 59.7 ~ 86.9°F

0 mm

0 cm

10.8 h

18 MJ/m²

3.9 mm

9/30

Overcast

15.8 60.4

28.9°C 84°F

30.6 km/h 19 mph 8.5 m/s 16.5 knots

↑

16 ~ 28.8°C 60.8 ~ 83.8°F

0 mm

0 cm

10.7 h

17 MJ/m²

4.1 mm

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Monthly Statistics

33.5 mm

Total Precipitation

0.0 cm

Total Snowfall

12.5 hour

Average Daily Daylight Duration

10.3 hour

Average Daily Sunshine Duration

7.2 °C 45 °F

Minimum Temperature

30.4 °C 86.7 °F

Maximum Temperature

Location Map

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