Oak Park Weather: September
 |
Average Day Temperature: | 79.3°F |
|
Average Night Temperature: | 65.3°F |
|
Sea Water Temperature: | 71.3°F |
|
Number of Sunny Days: | 18 days |
| Sunshine Hours: | 11.8 - 13.1 hours | |
|
Number of Rainy Days: | 1 day |
| Precipitation Totals: | 0.6 in | |
| detailed information | ||
forecast
| Oak Park |
Temperature
| Oak Park |
Air Temperature in September, °F
The highest day temperature in September 2025 was 91°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 81.5°F и 63.7°F respectivly.
Oak Park Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Oak Park was 69.7°F. The maximum and minimum values were 65.4°F and 72.8°F respectively.
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Oak Park is 0.6 in. It makes september one of the least rainy months of the year.
The average wind speed in September is 7.0 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Oak Park in September is 8.8 hours.
Oak Park on the Weather Map
| Chicago |  |
0 |
| Hawaii |  |
+78 |
| Honolulu | |
+78 |
| Houston | |
+46 |
| Las Vegas |  |
+40 |
| Los Angeles | |
+52 |
| Maui | |
+72 |
| Miami | |
+72 |
| Miami Beach | |
+80 |
| New York | |
+18 |
| San Diego | |
+54 |
| San Francisco | |
+46 |
| Sarasota | |
+62 |
| Tampa | |
+62 |
| Washington | |
+28 |
| 0300 |  |
-4°F | N 7 mph |
| 0600 |  |
-2°F | NE 7 mph |
| 0900 | |
12°F | NE 9 mph |
| 1200 |  |
26°F | NE 10 mph |
| 1500 | |
26°F | NE 10 mph |
| 1800 | |
26°F | NE 11 mph |
| 2100 | |
26°F | NE 11 mph |
| 0000 | |
26°F | NE 9 mph |