Weather in Portsmouth in september 2024

The weather in Portsmouth in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

good weather UV index: 7

Weather at 6am
85°F

Moderate rain at times

31%

Clear/Sunny

13%

Heavy rain

10%

Weather at 12pm
86°F

Clear/Sunny

32%

Moderate rain at times

22%

Heavy rain

10%

Weather at 6pm
85°F

Moderate rain at times

29%

Clear/Sunny

26%

Heavy rain

14%

Weather at 3am
83°F

Moderate rain at times

40%

Partly Cloudy

33%

Clear/Sunny

14%

Cloudy

8%



Evolution of daily average temperature and precipitation in Portsmouth in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Portsmouth in september.


The climate of Portsmouth in september is good

the weather in Portsmouth in september is wet (with 8.1in of rainfall over 9 days). The weather is better from the previous month since in august it receives an average of 7.4in of rainfall over 9 days.

The climate is very warm around this city this month. The high seasonal norm is 86°F. The seasonal minimum is 85°F. Thus, the mean temperature average in september in Portsmouth is 85°F. Note that these seasonal averages are in contrast with those observed in Portsmouth in the month of september with a maximum record of 88°F in 2015 and a minimum record of 79°F in 2020. You can expect to have 86°F or more throughout the month.

On average, in Portsmouth, the days of september last 12:13. Sunrise is at 05:54 and sunset is at 18:07.

With proper weather, this month is okay (but not the best) to go there in Dominica.




Seasonal average climate and temperature of Portsmouth in september

Check below seasonal norms These datas are set from the weather statements earlier years of the month of september.

September
Outside temperature
Average temperature 85°F
Highest temperature 86°F
Lowest temperature 85°F
Highest record temperature 88°F
(2015)
Lowest record temperature 79°F
(2020)
Number of days at +86°F 8 day(s)
(27%)
Number of days at +65°F 30 day(s)
(100%)
Sea temperature
Average sea temperature 85°F
Lowest sea temperature 83°F
Highest sea temperature 87°F
Wind
Wind speed 21km/h
Wind temperature 85°F
Precipitation (rainfall)
Rainfall 8.1in
Number of days with rainfall 9 day(s)
(30%)
Record daily rainfall 6.4in
(2017)
Other climate data
Humidity 77%
Visibility 9.46km
Cloud cover 38%
UV index 7
Daily sunshine hours 12
Sunrise and sunset
Time of sunrise 05:54
Time of sunset 18:07
Length of day 12:13
Our opinion about the weather in september
Our opinion at whereandwhen.net good


How was the weather last september?

Here is the day by day recorded weather in Portsmouth in september 2023:

01-09-2023
Partly Cloudy
83°F to 85°F
02-09-2023
Partly Cloudy
83°F to 85°F
03-09-2023
Clear/Sunny
83°F to 86°F
04-09-2023
Clear/Sunny
83°F to 85°F
05-09-2023
Partly Cloudy
81°F to 86°F
06-09-2023
Clear/Sunny
83°F to 86°F
07-09-2023
Clear/Sunny
81°F to 85°F
08-09-2023
Clear/Sunny
81°F to 85°F
09-09-2023
Partly Cloudy
83°F to 85°F
10-09-2023
Clear/Sunny
83°F to 86°F
11-09-2023
Clear/Sunny
83°F to 86°F
12-09-2023
Clear/Sunny
83°F to 86°F
13-09-2023
Clear/Sunny
83°F to 86°F
14-09-2023
Partly Cloudy
83°F to 86°F
15-09-2023
Clear/Sunny
83°F to 86°F
16-09-2023
Clear/Sunny
83°F to 86°F
17-09-2023
Clear/Sunny
83°F to 86°F
18-09-2023
Clear/Sunny
83°F to 85°F
19-09-2023
Patchy rain nearby
83°F to 86°F
20-09-2023
Patchy rain nearby
83°F to 86°F
21-09-2023
Patchy rain nearby
85°F to 86°F
22-09-2023
Clear/Sunny
83°F to 86°F
23-09-2023
Patchy rain nearby
83°F to 86°F
24-09-2023
Patchy rain nearby
85°F to 86°F
25-09-2023
Patchy rain nearby
85°F to 86°F
26-09-2023
Patchy rain nearby
83°F to 86°F
27-09-2023
Patchy rain nearby
83°F to 86°F
28-09-2023
Patchy rain nearby
83°F to 85°F
29-09-2023
Clear/Sunny
83°F to 86°F
30-09-2023
Clear/Sunny
83°F to 86°F

Map: other cities in Dominica in september

Cities near Portsmouth:

Saint-Joseph (Dominica) in septembergood weather
Wesley in septembertolerable weather
Marigot (Dominica) in septembertolerable weather
Mahaut in septembertolerable weather
Castle Bruce in septembertolerable weather
Roseau in septembertolerable weather
Rosalie in septembergood weather
Berekua in septembergood weather

Click over cities on the map for information about the weather in september.

Legend: Portsmouth perfect weather good tolerable bad very bad


Weather data for Portsmouth in september:

Weather data for Portsmouth for september are derived from an average of the weather forecast since 2009 in Portsmouth. There is a margin of error and these forecasts are to be considered as general information only. The weather in Portsmouth can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Portsmouth.


Weather in august in Portsmouth
Weather in october in Portsmouth
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