Waltham, us-Massachusetts State, USA in September 2025 Historical Weather Query

Temperature Unit：

Wind Speed Unit：

Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
1 13.6 56.5 ~ 24°C 75.2°F Sunrise: 06:10 Sunset: 19:18	2 13.1 55.6 ~ 24.9°C 76.8°F Sunrise: 06:11 Sunset: 19:17	3 13.8 56.8 ~ 26.3°C 79.3°F Sunrise: 06:12 Sunset: 19:15	4 13.4 56.1 ~ 26.2°C 79.2°F Sunrise: 06:14 Sunset: 19:13	5 18.2 64.8 ~ 27.3°C 81.1°F Sunrise: 06:15 Sunset: 19:12	6 17.7 63.9 ~ 27.3°C 81.1°F Sunrise: 06:16 Sunset: 19:10	7 14.9 58.8 ~ 17.5°C 63.5°F Sunrise: 06:17 Sunset: 19:08
8 11.1 52 ~ 20.8°C 69.4°F Sunrise: 06:18 Sunset: 19:07	9 10.5 50.9 ~ 20.1°C 68.2°F Sunrise: 06:19 Sunset: 19:05	10 12.6 54.7 ~ 19.9°C 67.8°F Sunrise: 06:20 Sunset: 19:03	11 11.1 52 ~ 24.6°C 76.3°F Sunrise: 06:21 Sunset: 19:01	12 13.1 55.6 ~ 21°C 69.8°F Sunrise: 06:22 Sunset: 18:59	13 11.9 53.4 ~ 23.5°C 74.3°F Sunrise: 06:23 Sunset: 18:58	14 14.5 58.1 ~ 25.2°C 77.4°F Sunrise: 06:24 Sunset: 18:56
15 14.1 57.4 ~ 22.9°C 73.2°F Sunrise: 06:25 Sunset: 18:54	16 13.1 55.6 ~ 21.5°C 70.7°F Sunrise: 06:26 Sunset: 18:52	17 11.9 53.4 ~ 21.1°C 70°F Sunrise: 06:27 Sunset: 18:50	18 16.3 61.3 ~ 24.6°C 76.3°F Sunrise: 06:28 Sunset: 18:49	19 14.5 58.1 ~ 25.5°C 77.9°F Sunrise: 06:29 Sunset: 18:47	20 10.6 51.1 ~ 19.8°C 67.6°F Sunrise: 06:30 Sunset: 18:45	21 8.5 47.3 ~ 18.5°C 65.3°F Sunrise: 06:31 Sunset: 18:43
22 8.6 47.5 ~ 22°C 71.6°F Sunrise: 06:33 Sunset: 18:42	23 15 59 ~ 25.9°C 78.6°F Sunrise: 06:34 Sunset: 18:40	24 16.7 62.1 ~ 20°C 68°F Sunrise: 06:35 Sunset: 18:38	25 17.2 63 ~ 23°C 73.4°F Sunrise: 06:36 Sunset: 18:36	26 17.8 64 ~ 25.3°C 77.5°F Sunrise: 06:37 Sunset: 18:35	27 15.9 60.6 ~ 24.6°C 76.3°F Sunrise: 06:38 Sunset: 18:33	28 16.8 62.2 ~ 27.1°C 80.8°F Sunrise: 06:39 Sunset: 18:31
29 13.8 56.8 ~ 24.7°C 76.5°F Sunrise: 06:40 Sunset: 18:29	30 13.4 56.1 ~ 22.1°C 71.8°F Sunrise: 06:41 Sunset: 18:28

Waltham, us-Massachusetts State, USA September 2025, including Minimum Temperature, Maximum Temperature, Total Precipitation, Total Snowfall, Rainy Days, Snowy Days, Maximum Wind Speed etc. Minimum Temperature is 8.5 °C, Maximum Temperature is 27.3 °C, Total Precipitation is 51.7 mm, Total Snowfall is 0 cm, Rainy Days is 11 days, Snowy Days is 0 days, Maximum Wind Speed is 58.7 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

Overcast

13.6 56.5

24°C 75.2°F

24.8 km/h 15.4 mph 6.9 m/s 13.4 knots

↑

12.9 ~ 24.8°C 55.2 ~ 76.6°F

0 mm

0 cm

9.3 h

16.8 MJ/m²

3.2 mm

9/2

Overcast

13.1 55.6

24.9°C 76.8°F

28.1 km/h 17.5 mph 7.8 m/s 15.2 knots

↑

13.5 ~ 25.3°C 56.3 ~ 77.5°F

0 mm

0 cm

11.5 h

21.5 MJ/m²

4.1 mm

9/3

Overcast

13.8 56.8

26.3°C 79.3°F

28.8 km/h 17.9 mph 8 m/s 15.6 knots

↑

13.7 ~ 26.6°C 56.7 ~ 79.9°F

0 mm

0 cm

12 h

21.4 MJ/m²

4.3 mm

9/4

Overcast

13.4 56.1

26.2°C 79.2°F

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

↑

13.1 ~ 26.1°C 55.6 ~ 79°F

0 mm

0 cm

11.9 h

20.8 MJ/m²

4.1 mm

9/5

Light drizzle

18.2 64.8

27.3°C 81.1°F

45 km/h 28 mph 12.5 m/s 24.3 knots

↑

18.7 ~ 27.8°C 65.7 ~ 82°F

1.4 mm

0 cm

8.4 h

15.5 MJ/m²

3.4 mm

9/6

Moderate rain

17.7 63.9

27.3°C 81.1°F

58.7 km/h 36.5 mph 16.3 m/s 31.7 knots

↑

19.1 ~ 29.6°C 66.4 ~ 85.3°F

11.9 mm

0 cm

9.5 h

16.4 MJ/m²

3.1 mm

9/7

Moderate rain

14.9 58.8

17.5°C 63.5°F

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

↑

14.2 ~ 18.6°C 57.6 ~ 65.5°F

18.3 mm

0 cm

0 h

3.2 MJ/m²

0.7 mm

9/8

Overcast

11.1 52

20.8°C 69.4°F

24.8 km/h 15.4 mph 6.9 m/s 13.4 knots

↑

9.2 ~ 20.1°C 48.6 ~ 68.2°F

0 mm

0 cm

11.4 h

18.2 MJ/m²

3.1 mm

9/9

Overcast

10.5 50.9

20.1°C 68.2°F

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

↑

9.8 ~ 19.9°C 49.6 ~ 67.8°F

0 mm

0 cm

11.2 h

21.8 MJ/m²

3.5 mm

9/10

Overcast

12.6 54.7

19.9°C 67.8°F

33.8 km/h 21 mph 9.4 m/s 18.3 knots

↑

11.8 ~ 19.8°C 53.2 ~ 67.6°F

0 mm

0 cm

9.5 h

17.1 MJ/m²

2.8 mm

9/11

Overcast

11.1 52

24.6°C 76.3°F

28.1 km/h 17.5 mph 7.8 m/s 15.2 knots

↑

9.5 ~ 24°C 49.1 ~ 75.2°F

0 mm

0 cm

11.6 h

21.1 MJ/m²

3.9 mm

9/12

Mainly clear

13.1 55.6

21°C 69.8°F

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

↑

11.6 ~ 21.5°C 52.9 ~ 70.7°F

0 mm

0 cm

11.6 h

20.8 MJ/m²

3.6 mm

9/13

Moderate drizzle

11.9 53.4

23.5°C 74.3°F

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

↑

11.5 ~ 24.1°C 52.7 ~ 75.4°F

2.4 mm

0 cm

11.1 h

17.2 MJ/m²

3.1 mm

9/14

Light drizzle

14.5 58.1

25.2°C 77.4°F

21.2 km/h 13.2 mph 5.9 m/s 11.4 knots

↑

14.7 ~ 27.1°C 58.5 ~ 80.8°F

0.1 mm

0 cm

11.5 h

17.6 MJ/m²

3.2 mm

9/15

Overcast

14.1 57.4

22.9°C 73.2°F

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

↑

14 ~ 24.4°C 57.2 ~ 75.9°F

0 mm

0 cm

11.5 h

19.7 MJ/m²

3.3 mm

9/16

Overcast

13.1 55.6

21.5°C 70.7°F

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

↑

13.2 ~ 20.9°C 55.8 ~ 69.6°F

0 mm

0 cm

9.2 h

17.6 MJ/m²

3.1 mm

9/17

Light drizzle

11.9 53.4

21.1°C 70°F

28.4 km/h 17.6 mph 7.9 m/s 15.3 knots

↑

11 ~ 21.1°C 51.8 ~ 70°F

0.5 mm

0 cm

10.1 h

16.4 MJ/m²

2.8 mm

9/18

Light drizzle

16.3 61.3

24.6°C 76.3°F

19.1 km/h 11.9 mph 5.3 m/s 10.3 knots

↑

17 ~ 26.3°C 62.6 ~ 79.3°F

0.5 mm

0 cm

8.6 h

14.2 MJ/m²

2.7 mm

9/19

Mainly clear

14.5 58.1

25.5°C 77.9°F

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

↑

11.8 ~ 26.1°C 53.2 ~ 79°F

0 mm

0 cm

11.3 h

19.3 MJ/m²

4.3 mm

9/20

Overcast

10.6 51.1

19.8°C 67.6°F

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

↑

8.2 ~ 19°C 46.8 ~ 66.2°F

0 mm

0 cm

11.2 h

20.2 MJ/m²

3.4 mm

9/21

Overcast

8.5 47.3

18.5°C 65.3°F

24.8 km/h 15.4 mph 6.9 m/s 13.4 knots

↑

7.3 ~ 17.7°C 45.1 ~ 63.9°F

0 mm

0 cm

11 h

18 MJ/m²

2.9 mm

9/22

Overcast

8.6 47.5

22°C 71.6°F

28.8 km/h 17.9 mph 8 m/s 15.6 knots

↑

7.8 ~ 21.4°C 46 ~ 70.5°F

0 mm

0 cm

11 h

18.9 MJ/m²

3.3 mm

9/23

Dense drizzle

15 59

25.9°C 78.6°F

41.8 km/h 26 mph 11.6 m/s 22.6 knots

↑

14.5 ~ 27.6°C 58.1 ~ 81.7°F

2.4 mm

0 cm

10.5 h

14.9 MJ/m²

2.8 mm

9/24

Light drizzle

16.7 62.1

20°C 68°F

33.5 km/h 20.8 mph 9.3 m/s 18.1 knots

↑

17.7 ~ 21°C 63.9 ~ 69.8°F

1.3 mm

0 cm

0 h

6.1 MJ/m²

1.2 mm

9/25

Moderate rain

17.2 63

23°C 73.4°F

43.2 km/h 26.8 mph 12 m/s 23.3 knots

↑

18.3 ~ 23.9°C 64.9 ~ 75°F

11.3 mm

0 cm

1 h

5.9 MJ/m²

1.1 mm

9/26

Overcast

17.8 64

25.3°C 77.5°F

39.6 km/h 24.6 mph 11 m/s 21.4 knots

↑

18.7 ~ 25.8°C 65.7 ~ 78.4°F

0 mm

0 cm

9 h

14 MJ/m²

2.9 mm

9/27

Overcast

15.9 60.6

24.6°C 76.3°F

20.9 km/h 13 mph 5.8 m/s 11.3 knots

↑

16.4 ~ 26.7°C 61.5 ~ 80.1°F

0 mm

0 cm

9.2 h

14.7 MJ/m²

2.8 mm

9/28

Slight rain

16.8 62.2

27.1°C 80.8°F

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

↑

17.5 ~ 28.2°C 63.5 ~ 82.8°F

1.6 mm

0 cm

9 h

16.7 MJ/m²

3.5 mm

9/29

Overcast

13.8 56.8

24.7°C 76.5°F

24.8 km/h 15.4 mph 6.9 m/s 13.4 knots

↑

12.7 ~ 24.2°C 54.9 ~ 75.6°F

0 mm

0 cm

10.9 h

17.1 MJ/m²

3.5 mm

9/30

Overcast

13.4 56.1

22.1°C 71.8°F

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

↑

10.7 ~ 21.6°C 51.3 ~ 70.9°F

0 mm

0 cm

10.4 h

15.8 MJ/m²

3 mm

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Monthly Statistics

51.7 mm

Total Precipitation

0.0 cm

Total Snowfall

12.5 hour

Average Daily Daylight Duration

9.5 hour

Average Daily Sunshine Duration

8.5 °C 47.3 °F

Minimum Temperature

27.3 °C 81.1 °F

Maximum Temperature

Location Map

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