September begins cool with showers

The final day of meteorological summer time is ending with temperatures reaching the mid- and higher 70s beneath partly to largely cloudy skies.

This August delivered a top-10 end for driest on document throughout Boston, whereas southwest Connecticut noticed the vast majority of rainfall this month, ending a top-10 wettest summer time. All in all, June by August was hotter than common nearly all over the place throughout the six New England states, with extra of a combined bag by way of precipitation.

As we kick off September, nonetheless, Boston and most of Southern New England will see dreary circumstances.

A stalled frontal boundary stays parked over New York by southwestern Connecticut, and Tuesday morning will see a system go alongside that boundary, sparking scattered to regular rain all morning for many of Southern New England, together with Boston.

There could be a number of spots, the farther west and south you go throughout the area, the place rainfall charges might be heavy at occasions, however we shouldn’t anticipate a lot by way of flooding potential. Greater Boston ought to see lighter rain, so that you’ll nonetheless want the umbrella for the morning commute as showers to regular rain can be lurking.

The afternoon ought to stay largely cloudy with a few spot showers later within the day for Western Connecticut, however Boston ought to see a dry commute house. We’ll see the area decide up 1 / 4 of an inch to a half inch of rain.

September begins cool with barely increased humidity. The highs will probably solely cracking into the low 70s, however many areas, particularly alongside the coast, will settle within the higher 60s. The air will really feel fairly thick throughout Boston and Southern New England with dew factors properly into the 60s. The greatest place to be for Tuesday is in Maine, the place skies will see rather more sunshine with dry air sticking round.

The stalled frontal boundary will stick round on Wednesday, renewing the prospect for spotty afternoon showers. But then on Thursday a stronger system enters New England, bringing widespread showers that may hold the world soggy with a slight likelihood of flooding.

Meteorological fall will start with an energetic stretch that may hold Boston seeing an opportunity of rain for every day as we head into the lengthy Labor Day weekend.

Greater Boston: Mostly cloudy with scattered morning showers. Low clouds at occasions. Highs solely to the higher 60s and low 70s. Coolest alongside the North and South Shore. Some drying within the afternoon.

Central/Western Mass.: Mostly cloudy with scattered showers to regular rain within the morning. Highs solely to the low 70s all over the place. More dry within the afternoon.

Southeastern Mass.: Mostly cloudy and patchy fog. Scattered morning showers. Highs to the low 70s. More dry within the afternoon and night.

Cape Cod and the Islands: Mostly cloudy and patchy fog. Scattered morning showers. Highs to the higher 60s and low 70s. More dry within the afternoon and night.

Rhode Island: Scattered morning showers to regular gentle rain. Otherwise largely cloudy to overcast. Highs to the higher 60s and low 70s.

New Hampshire: Passing morning showers south of Laconia. Mostly cloudy north. Highs to the higher 60s and low 70s.

Vermont/Maine: Southern Vermont sees morning showers to regular rain. Highs to the low and mid-70s. Decreasing clouds as you go north. Maine stays partly sunny with highs to the mid-70s. A spot bathe south of Portland.

Connecticut: Morning showers to regular rain with highs to the higher 70s. A spot afternoon thunderstorm or two, particularly southwest of Hartford.

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Ken Mahan could be reached at ken.mahan@globe.com. Follow him on Instagram @kenmahantheweatherman.