Weather in Portsmouth for September 2024
Until now, September 2024 in Portsmouth is cooler than usual, with temperatures averaging 17.3 °C, this is -2.2 °C below the typical seasonal average.
Expect cooler weather in the next days in Portsmouth with the forecast suggesting a temperature of 18.4 °C, lower than the historical average.
In general, the average temperature in Portsmouth at the beginning of September is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.4 °C by the end of September.
The climate of Portsmouth in September is notably wet, with an average of 13 rainy days.
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Portsmouth in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 20° | ||||||
2 20° | 3 20° | 4 20° | 5 19° | 6 21° | 7 22° | 8 21° |
9 21° | 10 22° | 11 18° | 12 17° | 13 17° | 14 17° | 15 18° |
16 20° | 17 20° | 18 22° | 19 23° | 20 21° | 21 20° | 22 18° |
23 18° | 24 16° | 25 15° | 26 17° | 27 16° | 28 16° | 29 17° |
30 18° |
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Temperatures trend during September in Portsmouth
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Light rain | 20° /16° | 9.2 mm | 5 | |
2 Sept. | Light rain shower | 20° /15° | 1.5 mm | 5 | |
3 Sept. | Sunny | 20° /15° | 1.7 mm | 5 | |
4 Sept. | Sunny | 20° /15° | 2 mm | 5 | |
5 Sept. | Sunny | 19° /15° | 7.8 mm | 5 | |
6 Sept. | Sunny | 21° /17° | 9.4 mm | 5 | |
7 Sept. | Sunny | 22° /17° | 0.5 mm | 6 | |
8 Sept. | Partly cloudy | 21° /17° | 3.2 mm | 5 | |
9 Sept. | Partly cloudy | 21° /16° | 0.5 mm | 5 | |
10 Sept. | Partly cloudy | 22° /15° | 1.6 mm | 6 | |
11 Sept. | Partly cloudy | 18° /13° | 0.1 mm | 5 | |
12 Sept. | Overcast | 17° /12° | 0.6 mm | 4 | |
13 Sept. | Overcast | 17° /11° | 0 mm | 5 | |
14 Sept. | Partly cloudy | 17° /12° | 0 mm | 5 | |
15 Sept. | Sunny | 18° /14° | 0 mm | 5 | |
16 Sept. | Partly cloudy | 20° /15° | 0 mm | 6 | |
17 Sept. | Sunny | 20° /11° | 0 mm | 4 | |
18 Sept. | Sunny | 22° /13° | 0 mm | 4 | |
19 Sept. | Sunny | 23° /15° | 0.1 mm | 4 | |
20 Sept. | Patchy rain possible | 21° /15° | 0.3 mm | 4 | |
21 Sept. | Moderate rain | 20° /15° | 7.5 mm | 3 | |
22 Sept. | Patchy rain possible | 18° /15° | 3.7 mm | 4 | |
23 Sept. | Patchy rain possible | 18° /14° | 0.1 mm | 4 | |
24 Sept. | Moderate rain | 16° /14° | 9.5 mm | 3 | |
25 Sept. | Patchy rain possible | 15° /14° | 0.3 mm | 3 | |
26 Sept. | Moderate rain | 17° /14° | 10.7 mm | 4 | |
27 Sept. | Patchy rain possible | 16° /12° | 0.1 mm | 3 | |
28 Sept. | Patchy rain possible | 16° /12° | 0.4 mm | 3 | |
29 Sept. | Patchy rain possible | 17° /15° | 1.6 mm | 4 | |
30 Sept. | Patchy rain possible | 18° /16° | 0.5 mm | 4 | |
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