Portsmouth in september: average Weather, Temperature and Climate
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
Partly Cloudy
40% of time
31%
13%
10%
Weather at 12pm
86°F
Partly Cloudy
35% of time
32%
22%
10%
Weather at 6pm
85°F
Partly Cloudy
30% of time
29%
26%
14%
Weather at 3am
83°F
40%
33%
14%
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:
83°F to 85°F
83°F to 85°F
83°F to 86°F
83°F to 85°F
81°F to 86°F
83°F to 86°F
81°F to 85°F
81°F to 85°F
83°F to 85°F
83°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 85°F
83°F to 86°F
83°F to 86°F
85°F to 86°F
83°F to 86°F
83°F to 86°F
85°F to 86°F
85°F to 86°F
83°F to 86°F
83°F to 86°F
83°F to 85°F
83°F to 86°F
83°F to 86°F
Map: other cities in Dominica in september
Cities near Portsmouth:
Saint-Joseph (Dominica) in september | good weather |
Wesley in september | tolerable weather |
Marigot (Dominica) in september | tolerable weather |
Mahaut in september | tolerable weather |
Castle Bruce in september | tolerable weather |
Roseau in september | tolerable weather |
Rosalie in september | good weather |
Berekua in september | good weather |
Click over cities on the map for information about the weather in september.
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.