Weather in Chesapeake, Virginia for September 2025
Flood Watch - See hour by hour.
Until now, September 2025 in Chesapeake is slightly cooler than the historical average by -1.9 °F.
Expect cooler weather in the next days in Chesapeake with the forecast suggesting a temperature of 25.1 °F, lower than the historical average.
In general, the average temperature in Chesapeake at the beginning of September is 28.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.9 °F by the end of September.
The climate of Chesapeake in September is notably wet, with an average of 14 rainy days, and a total of 145.8 mm of precipitation.
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Chesapeake Weather September
Temperatures trend during September in Chesapeake
September weather in Chesapeake day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 27° /20° | 2.9 mm | 6 | |
| Sept. 2 |  Cloudy | 25° /19° | 3.3 mm | 5 | |
| Sept. 3 |  Mist | 27° /18° | 0 mm | 6 | |
| Sept. 4 | Overcast | 30° /20° | 0.1 mm | 7 | |
| Sept. 5 |  Sunny | 31° /22° | 0.1 mm | 7 | |
| Sept. 6 |  Partly cloudy | 32° /22° | 0.3 mm | 7 | |
| Sept. 7 |  Thundery outbreaks possible | 28° /22° | 0.2 mm | 6 | |
| Sept. 8 | Thundery outbreaks possible | 27° /20° | 0 mm | 6 | |
| Sept. 9 |  Light rain shower | 27° /19° | 0.9 mm | 6 | |
| Sept. 10 | Light rain shower | 27° /19° | 1.8 mm | 6 | |
| Sept. 11 | Patchy rain possible | 28° /19° | 0.2 mm | 6 | |
| Sept. 12 | Mist | 27° /20° | 0 mm | 6 | |
| Sept. 13 | Light rain shower | 27° /20° | 2 mm | 6 | |
| Sept. 14 | Partly cloudy | 27° /20° | 0.1 mm | 6 | |
| Sept. 15 | Partly cloudy | 25° /21° | 0 mm | 0.4 | |
| Sept. 16 |  Heavy rain | 21° /20° | 38.2 mm | 1 | |
| Sept. 17 | Heavy rain | 21° /17° | 138 mm | 1.7 | |
| Sept. 18 | Patchy rain possible | 28° /17° | 0.2 mm | 1.1 | |
| Sept. 19 | Sunny | 28° /19° | 0 mm | 0 | |
| Sept. 20 | Sunny | 26° /20° | 0 mm | 6 | |
| Sept. 21 | Patchy rain possible | 22° /21° | 0.1 mm | 5 | |
| Sept. 22 | Cloudy | 24° /21° | 0 mm | 5 | |
| Sept. 23 | Cloudy | 24° /20° | 0.1 mm | 5 | |
| Sept. 24 | Patchy rain possible | 28° /22° | 0.5 mm | 5 | |
| Sept. 25 | Patchy rain possible | 28° /21° | 1 mm | 5 | |
| Sept. 26 |  Moderate rain | 27° /20° | 5.4 mm | 5 | |
| Sept. 27 | Patchy rain possible | 27° /19° | 2.7 mm | 5 | |
| Sept. 28 | Patchy rain possible | 23° /18° | 0.2 mm | 4 | |
| Sept. 29 | Patchy rain possible | 25° /20° | 0.1 mm | 6 | |
| Sept. 30 | Patchy rain possible | 23° /20° | 2.2 mm | 5 | |
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Chesapeake in September - FAQ
September rainfall patterns in Chesapeake
UV exposure in Chesapeake during September
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Where is Chesapeake?Get accurate weather forecasts for Chesapeake, located at latitude 36.819 and longitude -76.275. Stay updated with localized weather information tailored for Chesapeake.