Everett weather in September

In September, Everett sees average daytime highs of 70°F and overnight lows near 58°F, with 3.4 in of rain across 8.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 74°F in the first days to 66°F by the end. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Everett's 1st-clearest and 9th-windiest month. For the whole year in context, see Everett's year-round climate.

Daytime high
70°
4th warmest
Overnight low
58°
9th coldest
Rainfall
3.4 in
8.2 wet days
Daylight
12 h 18 min
5:30 AM – 5:47 PM
Cloud cover
54%
1st clearest
Wind
8 mph
9th windiest
Solar energy
4.16 kWh/m²
Travel score
6.9
out of 10

Everett is city in Middlesex County, Massachusetts, United States.

Density
4,847/km²
people per km²
Founded
1630

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 74°F in the first days to 66°F by the end.

A typical September day in Everett reaches about 70°F in the afternoon and slips back to 58°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 79°F. Set against its neighbours, September runs about 6°F cooler than August and about 10°F warmer than October.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17462
27462
37461
47461
57361
67360
77360
87360
97260
107259
117259
127159
137158
147158
157158
167058
177057
187057
196956
206956
216956
226856
236855
246855
256755
266754
276754
286654
296653
306653

How September really feels in Everett

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Everett weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan35° / 23°3.6105.89.30.0
Feb37° / 24°3.395.310.30.0
Mar43° / 31°4.511.34.511.60.6
Apr53° / 40°4.110.71.113.13.0
May63° / 49°3.310.7014.45.3
Jun72° / 59°3.510.30156.5
Jul78° / 65°2.99.9014.86.8
Aug77° / 64°3.39013.77.1
Sep70° / 58°3.48.2012.36.9
Oct60° / 47°4.310.10.210.84.9
Nov50° / 38°3.89.60.89.62.2
Dec40° / 29°4.510.54.590.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35545
45545
55545
65446
75446
85446
95347
105248
115248
125248
135347
145347
155347
165347
175248
185248
195248
205248
215149
225149
235149
245149
255248
265248
275248
285248
295248
305347

Chance of precipitation in September

Any precipitation

Everett gets around 3.4 in of rain over 8.2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
327
427
527
627
728
828
928
1028
1128
1228
1327
1427
1527
1626
1726
1826
1926
2026
2126
2226
2327
2427
2527
2628
2728
2829
2929
3030

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1263124172
2273124172
3293123162
4303023161
5313022151
6332922151
7342922141
8352822141
9372822131
10382722131
11392721121
12412621110
13422621110
14432620100
15452520100
1646252090
1747251980
1849251980
1951241870
2051241870
2152241770
2255231660
2356231560
2457231550
2559221450
2661221340
2763211240
2863211240
2966201130
3068191030

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:14 AM to 5:46 AM, and sunset from 6:14 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:146:14
213.05:156:12
312.95:166:11
412.95:176:09
512.85:186:07
612.85:196:05
712.75:206:03
812.75:216:02
912.65:226:00
1012.65:245:58
1112.55:255:56
1212.55:265:54
1312.45:275:53
1412.45:285:51
1512.35:295:49
1612.35:305:47
1712.25:315:45
1812.25:325:43
1912.15:335:41
2012.15:345:40
2112.05:365:38
2212.05:375:36
2311.95:385:34
2411.95:395:32
2511.85:405:30
2611.85:415:29
2711.75:425:27
2811.75:435:25
2911.65:455:23
3011.65:465:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.16 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 5.97 kWh/m² in July across the year — September's 4.16 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.5Moderate
Planning a trip in September

Hazard calendar for Everett

In seasonPeak

In September, Everett sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Everett sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Everett?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.9
Sightseeing
2nd-best month of the year
4.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Everett for sightseeing.

What to pack for Everett in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Everett sees daytime highs around 70°F and nights near 58°F. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Everett in September

The nearest coast averages about 63°F in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 9 mi away) is warmest in August at about 66°F and coldest in February near 38°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

40°50°60°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan41Bracing
Feb38Bracing
Mar38Bracing
Apr42Bracing
May50Bracing
Jun58Bracing
Jul65Cool
Aug66Cool
Sep63Cool
Oct56Bracing
Nov50Bracing
Dec46Bracing

UV index in Everett in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Everett peaks around July 10 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighHighModerateLowJul 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul7Very high
Aug5Moderate
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Everett in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Everett is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1715 µg/m³Nov 188 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar13Moderate
Apr13Moderate
May14Moderate
Jun13Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct9Good
Nov8Good
Dec9Good
Location & terrain

Where is Everett?

Everett sits at 42.4°N, 71.1°W, 66 ft above sea level, in United States. The nearest listed city is Malden, 1.2 mi away.

Topography around Everett

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Everett.

Within 2 miles, the terrain around Everett has only modest variations in elevation — a maximum elevation change of 197 ft around an average of 36 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 400 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,041 ft.

The land around Everett is covered by artificial surfaces (72%) within 2 miles, trees (39%), artificial surfaces (28%) and water (27%) within 10 miles, and trees (61%) and water (30%) within 50 miles.

2 miles
197 ft
10 miles
400 ft
50 miles
2,041 ft
treesgrasslandartificial surfacesbare terrainwaterwetland
September weather nearby: Malden 1.2 mi · Chelsea 1.9 mi · Revere 1.9 mi · Charlestown 1.9 mi · East Boston 2.5 mi · Somerville 2.5 mi · Medford 2.5 mi · Orient Heights 3.1 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Everett (42.4084°, -71.0537°, elevation 66 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).