Longmont, us-Colorado State, USA in September 2025 Historical Weather Query

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Wind Speed Unit：
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Monday Tuesday Wednesday Thursday Friday Saturday Sunday
1
Weather Icon
9.3 48.7 ~ 27.5°C 81.5°F
Sunrise: 06:28
Sunset: 19:31
 		2
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9.4 48.9 ~ 28.5°C 83.3°F
Sunrise: 06:29
Sunset: 19:30
 		3
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10.1 50.2 ~ 29.9°C 85.8°F
Sunrise: 06:30
Sunset: 19:28
 		4
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10.3 50.5 ~ 30.4°C 86.7°F
Sunrise: 06:31
Sunset: 19:27
 		5
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12.6 54.7 ~ 21.3°C 70.3°F
Sunrise: 06:32
Sunset: 19:25
 		6
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9 48.2 ~ 26.2°C 79.2°F
Sunrise: 06:33
Sunset: 19:24
 		7
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13.7 56.7 ~ 27.5°C 81.5°F
Sunrise: 06:34
Sunset: 19:22
8
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13.1 55.6 ~ 30.2°C 86.4°F
Sunrise: 06:35
Sunset: 19:20
 		9
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10.2 50.4 ~ 30.2°C 86.4°F
Sunrise: 06:36
Sunset: 19:19
 		10
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11.3 52.3 ~ 30.9°C 87.6°F
Sunrise: 06:37
Sunset: 19:17
 		11
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15.1 59.2 ~ 30.4°C 86.7°F
Sunrise: 06:38
Sunset: 19:15
 		12
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12.2 54 ~ 29°C 84.2°F
Sunrise: 06:39
Sunset: 19:14
 		13
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11.1 52 ~ 24.4°C 75.9°F
Sunrise: 06:40
Sunset: 19:12
 		14
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10.1 50.2 ~ 22.3°C 72.1°F
Sunrise: 06:41
Sunset: 19:10
15
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9.5 49.1 ~ 28.2°C 82.8°F
Sunrise: 06:42
Sunset: 19:09
 		16
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9.4 48.9 ~ 23.8°C 74.8°F
Sunrise: 06:43
Sunset: 19:07
 		17
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7.4 45.3 ~ 19.1°C 66.4°F
Sunrise: 06:44
Sunset: 19:05
 		18
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6.8 44.2 ~ 21.8°C 71.2°F
Sunrise: 06:44
Sunset: 19:04
 		19
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5.4 41.7 ~ 25.1°C 77.2°F
Sunrise: 06:45
Sunset: 19:02
 		20
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9.1 48.4 ~ 26.1°C 79°F
Sunrise: 06:46
Sunset: 19:00
 		21
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9.2 48.6 ~ 26.5°C 79.7°F
Sunrise: 06:47
Sunset: 18:59
22
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10.7 51.3 ~ 25.4°C 77.7°F
Sunrise: 06:48
Sunset: 18:57
 		23
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10.1 50.2 ~ 13.1°C 55.6°F
Sunrise: 06:49
Sunset: 18:55
 		24
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6 42.8 ~ 19.6°C 67.3°F
Sunrise: 06:50
Sunset: 18:54
 		25
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4.9 40.8 ~ 23.9°C 75°F
Sunrise: 06:51
Sunset: 18:52
 		26
Weather Icon
5.6 42.1 ~ 26.5°C 79.7°F
Sunrise: 06:52
Sunset: 18:50
 		27
Weather Icon
9.2 48.6 ~ 24°C 75.2°F
Sunrise: 06:53
Sunset: 18:49
 		28
Weather Icon
9.3 48.7 ~ 24.6°C 76.3°F
Sunrise: 06:54
Sunset: 18:47
29
Weather Icon
9.3 48.7 ~ 24.2°C 75.6°F
Sunrise: 06:55
Sunset: 18:45
 		30
Weather Icon
7.6 45.7 ~ 24.6°C 76.3°F
Sunrise: 06:56
Sunset: 18:44

Longmont, us-Colorado State, USA September 2025, including Minimum Temperature, Maximum Temperature, Total Precipitation, Total Snowfall, Rainy Days, Snowy Days, Maximum Wind Speed etc. Minimum Temperature is 4.9 °C, Maximum Temperature is 30.9 °C, Total Precipitation is 37 mm, Total Snowfall is 0 cm, Rainy Days is 14 days, Snowy Days is 0 days, Maximum Wind Speed is 55.1 km/h.

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Date
Weather
Temperature
Wind Speed
Wind Direction
Apparent Temperature
Precipitation
Snowfall
Sunshine Duration
Shortwave Radiation
ET0 FAO Evapotranspiration
9/1
Weather Icon Mainly clear
9.3 48.7
27.5°C 81.5°F
25.2 km/h 15.7 mph 7 m/s 13.6 knots
↑
7.6 ~ 26.3°C 45.7 ~ 79.3°F
0 mm
0 cm
12 h
24.1 MJ/m²
4.8 mm
9/2
Weather Icon Partly cloudy
9.4 48.9
28.5°C 83.3°F
33.5 km/h 20.8 mph 9.3 m/s 18.1 knots
↑
8.2 ~ 26.6°C 46.8 ~ 79.9°F
0 mm
0 cm
12 h
22.6 MJ/m²
4.8 mm
9/3
Weather Icon Mainly clear
10.1 50.2
29.9°C 85.8°F
33.8 km/h 21 mph 9.4 m/s 18.3 knots
↑
8.4 ~ 28.4°C 47.1 ~ 83.1°F
0 mm
0 cm
12 h
22.2 MJ/m²
4.8 mm
9/4
Weather Icon Light drizzle
10.3 50.5
30.4°C 86.7°F
35.3 km/h 21.9 mph 9.8 m/s 19.1 knots
↑
8.4 ~ 29.2°C 47.1 ~ 84.6°F
0.1 mm
0 cm
11.5 h
22.2 MJ/m²
5.1 mm
9/5
Weather Icon Overcast
12.6 54.7
21.3°C 70.3°F
34.9 km/h 21.7 mph 9.7 m/s 18.8 knots
↑
10.9 ~ 19.2°C 51.6 ~ 66.6°F
0 mm
0 cm
10 h
20 MJ/m²
3.9 mm
9/6
Weather Icon Overcast
9 48.2
26.2°C 79.2°F
21.6 km/h 13.4 mph 6 m/s 11.7 knots
↑
7.2 ~ 25.1°C 45 ~ 77.2°F
0 mm
0 cm
12 h
22.4 MJ/m²
4.4 mm
9/7
Weather Icon Light drizzle
13.7 56.7
27.5°C 81.5°F
37.1 km/h 23.1 mph 10.3 m/s 20 knots
↑
12.6 ~ 26.4°C 54.7 ~ 79.5°F
0.1 mm
0 cm
11.9 h
20 MJ/m²
4.3 mm
9/8
Weather Icon Overcast
13.1 55.6
30.2°C 86.4°F
38.2 km/h 23.7 mph 10.6 m/s 20.6 knots
↑
10.4 ~ 27.4°C 50.7 ~ 81.3°F
0 mm
0 cm
11.9 h
20.4 MJ/m²
5.4 mm
9/9
Weather Icon Light drizzle
10.2 50.4
30.2°C 86.4°F
40.7 km/h 25.3 mph 11.3 m/s 22 knots
↑
8.5 ~ 28.4°C 47.3 ~ 83.1°F
0.3 mm
0 cm
11.3 h
20.3 MJ/m²
4.7 mm
9/10
Weather Icon Overcast
11.3 52.3
30.9°C 87.6°F
31.3 km/h 19.4 mph 8.7 m/s 16.9 knots
↑
9.4 ~ 31.3°C 48.9 ~ 88.3°F
0 mm
0 cm
11.8 h
21.1 MJ/m²
4.7 mm
9/11
Weather Icon Overcast
15.1 59.2
30.4°C 86.7°F
48.6 km/h 30.2 mph 13.5 m/s 26.2 knots
↑
13.1 ~ 28.3°C 55.6 ~ 82.9°F
0 mm
0 cm
10.8 h
18.7 MJ/m²
5 mm
9/12
Weather Icon Light drizzle
12.2 54
29°C 84.2°F
45 km/h 28 mph 12.5 m/s 24.3 knots
↑
11.1 ~ 27.6°C 52 ~ 81.7°F
0.2 mm
0 cm
9.3 h
16.1 MJ/m²
4 mm
9/13
Weather Icon Light drizzle
11.1 52
24.4°C 75.9°F
36.4 km/h 22.6 mph 10.1 m/s 19.7 knots
↑
9.2 ~ 22.8°C 48.6 ~ 73°F
0.5 mm
0 cm
11.7 h
17.9 MJ/m²
3.8 mm
9/14
Weather Icon Moderate drizzle
10.1 50.2
22.3°C 72.1°F
33.5 km/h 20.8 mph 9.3 m/s 18.1 knots
↑
8.6 ~ 20.2°C 47.5 ~ 68.4°F
1.7 mm
0 cm
9.9 h
17.2 MJ/m²
3.3 mm
9/15
Weather Icon Light drizzle
9.5 49.1
28.2°C 82.8°F
29.5 km/h 18.3 mph 8.2 m/s 15.9 knots
↑
7 ~ 26.5°C 44.6 ~ 79.7°F
0.1 mm
0 cm
10.9 h
20.5 MJ/m²
4.3 mm
9/16
Weather Icon Dense drizzle
9.4 48.9
23.8°C 74.8°F
36.7 km/h 22.8 mph 10.2 m/s 19.8 knots
↑
7.6 ~ 22.5°C 45.7 ~ 72.5°F
1 mm
0 cm
10.6 h
17.4 MJ/m²
3.5 mm
9/17
Weather Icon Moderate rain
7.4 45.3
19.1°C 66.4°F
37.4 km/h 23.2 mph 10.4 m/s 20.2 knots
↑
6.3 ~ 18.8°C 43.3 ~ 65.8°F
7.9 mm
0 cm
11.5 h
17.5 MJ/m²
2.9 mm
9/18
Weather Icon Mainly clear
6.8 44.2
21.8°C 71.2°F
22 km/h 13.7 mph 6.1 m/s 11.9 knots
↑
5.2 ~ 20.6°C 41.4 ~ 69.1°F
0 mm
0 cm
11.4 h
20.3 MJ/m²
3.5 mm
9/19
Weather Icon Overcast
5.4 41.7
25.1°C 77.2°F
23.8 km/h 14.8 mph 6.6 m/s 12.9 knots
↑
2.9 ~ 23.2°C 37.2 ~ 73.8°F
0 mm
0 cm
9.8 h
19.4 MJ/m²
3.9 mm
9/20
Weather Icon Overcast
9.1 48.4
26.1°C 79°F
55.1 km/h 34.2 mph 15.3 m/s 29.8 knots
↑
7.6 ~ 23.5°C 45.7 ~ 74.3°F
0 mm
0 cm
10.5 h
16.6 MJ/m²
3.6 mm
9/21
Weather Icon Slight rain
9.2 48.6
26.5°C 79.7°F
26.3 km/h 16.3 mph 7.3 m/s 14.2 knots
↑
7.4 ~ 25.7°C 45.3 ~ 78.3°F
1.4 mm
0 cm
11.2 h
17.1 MJ/m²
3.6 mm
9/22
Weather Icon Slight rain
10.7 51.3
25.4°C 77.7°F
38.2 km/h 23.7 mph 10.6 m/s 20.6 knots
↑
8.7 ~ 22.7°C 47.7 ~ 72.9°F
4.8 mm
0 cm
10.4 h
15.9 MJ/m²
3.4 mm
9/23
Weather Icon Slight rain
10.1 50.2
13.1°C 55.6°F
45 km/h 28 mph 12.5 m/s 24.3 knots
↑
6.5 ~ 11.8°C 43.7 ~ 53.2°F
18.6 mm
0 cm
0 h
3 MJ/m²
0.8 mm
9/24
Weather Icon Mainly clear
6 42.8
19.6°C 67.3°F
20.9 km/h 13 mph 5.8 m/s 11.3 knots
↑
4 ~ 19°C 39.2 ~ 66.2°F
0 mm
0 cm
11.2 h
20 MJ/m²
3.3 mm
9/25
Weather Icon Clear sky
4.9 40.8
23.9°C 75°F
17.3 km/h 10.7 mph 4.8 m/s 9.3 knots
↑
2.7 ~ 22.9°C 36.9 ~ 73.2°F
0 mm
0 cm
11.1 h
20.5 MJ/m²
3.6 mm
9/26
Weather Icon Overcast
5.6 42.1
26.5°C 79.7°F
31.7 km/h 19.7 mph 8.8 m/s 17.1 knots
↑
3.4 ~ 24.8°C 38.1 ~ 76.6°F
0 mm
0 cm
11 h
19.2 MJ/m²
4 mm
9/27
Weather Icon Overcast
9.2 48.6
24°C 75.2°F
30.2 km/h 18.8 mph 8.4 m/s 16.3 knots
↑
7.8 ~ 23°C 46 ~ 73.4°F
0 mm
0 cm
10.7 h
19.3 MJ/m²
3.5 mm
9/28
Weather Icon Light drizzle
9.3 48.7
24.6°C 76.3°F
23 km/h 14.3 mph 6.4 m/s 12.4 knots
↑
7.7 ~ 23.8°C 45.9 ~ 74.8°F
0.2 mm
0 cm
10.2 h
17.2 MJ/m²
3.3 mm
9/29
Weather Icon Light drizzle
9.3 48.7
24.2°C 75.6°F
42.8 km/h 26.6 mph 11.9 m/s 23.1 knots
↑
7.8 ~ 23.5°C 46 ~ 74.3°F
0.1 mm
0 cm
10.6 h
16.2 MJ/m²
3.1 mm
9/30
Weather Icon Overcast
7.6 45.7
24.6°C 76.3°F
22.3 km/h 13.9 mph 6.2 m/s 12 knots
↑
6.1 ~ 22.8°C 43 ~ 73°F
0 mm
0 cm
10.8 h
17.3 MJ/m²
3.2 mm

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