Delaware
September
Weather in Delaware for September 2024
Your guide to Delaware weather in September - trends and predictions
Until now, September 2024 in Delaware is cooler than usual, with temperatures averaging 25.1 °F, this is -2.8 °F below the typical seasonal average.
The forecast for the next days in Delaware predicts temperatures to be around 24 °F, close to the historical average.
In general, the average temperature in Delaware at the beginning of September is 28.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.1 °F by the end of September.
The climate of Delaware in September is notably wet, with an average of 14 rainy days.
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16
Dry days
14
Rainy days
0
Snow days
26°/15°
Temperatures
15 km/h
Avg max wind
74 %
Avg humidity
Delaware in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | ||||||
| 2 26° | 3  28° | 4  30° | 5  31° | 6 30° | 7 28° | 8 28° |
| 9 28° | 10  28° | 11  28° | 12 28° | 13  25° | 14 27° | 15 27° |
| 16 26° | 17  23° | 18 22° | 19  26° | 20 19° | 21 28° | 22 23° |
| 23 22° | 24 23° | 25 25° | 26 27° | 27 22° | 28 25° | 29 22° |
| 30 25° |
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Temperatures trend during September in Delaware
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 28° /16° | 2.3 mm | 7 | |
| Sept. 2 | Sunny | 26° /15° | 0 mm | 6 | |
| Sept. 3 | Partly cloudy | 28° /14° | 0 mm | 7 | |
| Sept. 4 | Thundery outbreaks possible | 30° /17° | 0 mm | 7 | |
| Sept. 5 | Cloudy | 31° /17° | 0 mm | 8 | |
| Sept. 6 | Sunny | 30° /19° | 0.7 mm | 7 | |
| Sept. 7 | Thundery outbreaks possible | 28° /17° | 1.3 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 28° /14° | 3.3 mm | 7 | |
| Sept. 9 | Thundery outbreaks possible | 28° /14° | 8.1 mm | 7 | |
| Sept. 10 | Moderate or heavy rain shower | 28° /17° | 7 mm | 7 | |
| Sept. 11 | Light rain shower | 28° /17° | 2.8 mm | 7 | |
| Sept. 12 | Moderate rain at times | 28° /16° | 1.8 mm | 7 | |
| Sept. 13 | Torrential rain shower | 25° /16° | 11.8 mm | 6 | |
| Sept. 14 | Sunny | 27° /15° | 0 mm | 7 | |
| Sept. 15 | Sunny | 27° /13° | 0 mm | 7 | |
| Sept. 16 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 17 | Moderate rain | 23° /15° | 3.7 mm | 5 | |
| Sept. 18 | Moderate rain | 22° /19° | 18.7 mm | 3 | |
| Sept. 19 | Overcast | 26° /19° | 0 mm | 1 | |
| Sept. 20 | Patchy rain possible | 19° /18° | 4.6 mm | 6 | |
| Sept. 21 | Moderate rain | 28° /17° | 14 mm | 1 | |
| Sept. 22 | Overcast | 23° /15° | 0 mm | 4 | |
| Sept. 23 | Sunny | 22° /12° | 0 mm | 5 | |
| Sept. 24 | Sunny | 23° /12° | 0 mm | 5 | |
| Sept. 25 | Sunny | 25° /12° | 0 mm | 5 | |
| Sept. 26 | Partly cloudy | 27° /16° | 0 mm | 6 | |
| Sept. 27 | Heavy rain | 22° /19° | 34.3 mm | 5 | |
| Sept. 28 | Patchy rain possible | 25° /16° | 3.9 mm | 5 | |
| Sept. 29 | Sunny | 22° /13° | 0 mm | 5 | |
| Sept. 30 | Sunny | 25° /13° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Delaware in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Delaware forecast closer to your planned date for the most up-to-date weather information.
Delaware in September - FAQ
What are the expected maximum and minimum temperatures in Delaware during September?
During September, expect a variety of temperatures with highs around 26° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Delaware during September?
Significant rainfall exceeding 197.4 mm is expected in Delaware during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Delaware during September?
The average wind speed in Delaware during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
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