NOAA-Style Climate Reports
Select a Year or Month report
2025: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2024: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2022: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2020: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2025: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2024: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2022: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2020: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Report for 2025 September
Monthly Climatological Summary for Sep 2025
Name: NapervilleWather.com City: Naperville State: IL
Elevation: 781 ft Lat: N 41° 47' 23" Lon: W 088° 07' 27"
Temperature (°F), Rain (in), Wind Speed (mph)
Heat Cool Avg
Mean Deg Deg Wind Dom
Day Temp High Time Low Time Days Days Rain Speed High Time Dir
----------------------------------------------------------------------------------
1 67.5 80.7 15:11 57.7 06:59 2.2 4.6 0.00 0.0 0.0 00:00 ---
2 67.5 81.9 15:27 56.3 06:12 2.6 5.1 0.00 0.0 0.0 00:00 ---
3 62.5 69.0 14:45 55.1 23:44 3.3 0.8 0.20 0.0 0.0 00:00 ---
4 56.9 68.9 16:17 46.8 06:33 8.5 0.4 0.00 0.0 0.0 00:00 ---
5 59.5 67.4 14:51 51.7 23:58 5.6 0.2 0.00 0.0 0.0 00:00 ---
6 55.5 68.3 14:25 45.1 05:28 9.6 0.2 0.00 0.0 0.0 00:00 ---
7 55.9 71.0 15:26 44.0 06:21 9.5 0.4 0.00 0.0 0.0 00:00 ---
8 58.5 74.9 16:52 45.4 06:47 8.3 1.9 0.00 0.0 0.0 00:00 ---
9 59.3 76.7 15:29 47.8 06:29 8.5 2.8 0.00 0.0 0.0 00:00 ---
10 69.3 84.3 14:52 56.8 06:58 2.0 6.3 0.00 0.0 0.0 00:00 ---
11 69.6 80.8 15:07 62.7 04:19 0.5 5.1 0.00 0.0 0.0 00:00 ---
12 71.3 85.6 15:08 61.0 06:49 0.9 7.2 0.00 0.0 0.0 00:00 ---
13 69.9 81.4 16:40 63.0 06:33 0.2 5.1 0.36 0.0 0.0 00:00 ---
14 73.4 87.5 14:30 65.1 06:12 0.0 8.4 0.00 0.0 0.0 00:00 ---
15 72.8 88.5 14:33 61.3 06:57 0.5 8.3 0.00 0.0 0.0 00:00 ---
16 71.3 88.4 15:19 60.0 07:01 0.9 7.1 0.00 0.0 0.0 00:00 ---
17 71.1 87.8 15:23 59.8 05:55 1.6 7.7 0.00 0.0 0.0 00:00 ---
18 72.9 91.0 16:44 60.0 06:50 0.9 8.8 0.00 0.0 0.0 00:00 ---
19 74.0 84.8 13:28 64.0 07:00 0.1 9.0 0.02 0.0 0.0 00:00 ---
20 68.7 76.6 14:48 63.8 06:49 0.1 3.8 0.08 0.0 0.0 00:00 ---
21 71.6 82.6 15:05 65.2 07:37 0.0 6.6 0.02 0.0 0.0 00:00 ---
22 71.4 83.4 16:32 64.2 06:26 0.0 6.4 0.00 0.0 0.0 00:00 ---
23 69.2 79.4 14:57 64.9 05:55 0.0 4.2 0.08 0.0 0.0 00:00 ---
24 66.5 75.6 14:55 60.5 23:56 1.1 2.6 0.00 0.0 0.0 00:00 ---
25 64.6 78.5 16:17 56.1 07:23 3.4 3.0 0.00 0.0 0.0 00:00 ---
26 67.0 86.7 15:55 54.8 06:43 3.5 5.4 0.00 0.0 0.0 00:00 ---
27 70.8 89.0 15:29 58.0 07:19 1.8 7.6 0.00 0.0 0.0 00:00 ---
28 69.7 85.7 15:36 60.9 06:55 1.2 5.9 0.00 0.0 0.0 00:00 ---
29 72.6 92.0 14:35 60.4 07:13 1.1 8.7 0.00 0.0 0.0 00:00 ---
30 72.0 86.5 14:19 63.2 03:14 0.3 7.3 0.00 0.0 0.0 00:00 ---
----------------------------------------------------------------------------------
67.4 92.0 29 44.0 7 78.2 150.9 0.76 0.0 0.0 0 ---
Max >= 80.0: 19
Max <= 25.2: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.36 on day 13
Days of Rain: 6 (>= 0.01 in) 2 (>= 0.10 in) 0 (>= 1.00 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration