Pittsfield weather in September

In September, Pittsfield sees average daytime highs of 69°F and overnight lows near 52°F, with 3.9 in of rain across 9.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 74°F in the first days to 64°F by the end. The sky is clear or mostly clear about 35% 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 Pittsfield's 1st-clearest and 9th-windiest month. For the whole year in context, see Pittsfield's year-round climate.

Daytime high
69°
4th warmest
Overnight low
52°
9th coldest
Rainfall
3.9 in
9.5 wet days
Daylight
12 h 18 min
5:39 AM – 5:56 PM
Cloud cover
56%
1st clearest
Wind
6 mph
9th windiest
Solar energy
4.13 kWh/m²
Travel score
6.5
out of 10

Pittsfield is city and county seat of Berkshire County, Massachusetts, United States.

Density
394/km²
people per km²
Founded
1752

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 64°F by the end.

A typical September day in Pittsfield reaches about 69°F in the afternoon and slips back to 52°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 79°F. Set against its neighbours, September runs about 7°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17456
27456
37456
47356
57355
67355
77255
87254
97254
107154
117153
127153
137053
147052
157052
166951
176951
186951
196850
206850
216750
226749
236749
246649
256648
266548
276547
286447
296447
306446

How September really feels in Pittsfield

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.

Pittsfield weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan29° / 15°3.510.27.99.20.0
Feb32° / 16°3.19.97.910.30.0
Mar40° / 24°4.112.26.811.60.3
Apr54° / 36°4.012.42.413.13.0
May64° / 47°3.912.70.214.45.4
Jun73° / 56°4.012.60156.3
Jul78° / 61°3.811.3014.86.5
Aug77° / 59°3.710.7013.76.8
Sep69° / 52°3.99.5012.36.5
Oct57° / 41°4.610.70.710.84.0
Nov45° / 31°3.610.32.99.61.0
Dec35° / 21°4.311.67.18.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55248
65248
75248
85149
95149
105248
115248
125248
135248
145248
155248
165248
175248
185248
195248
205149
215149
225149
235050
245050
255050
265050
274951
284951
295050
305050

Chance of precipitation in September

Any precipitation

Pittsfield gets around 3.9 in of rain over 9.5 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
429
529
630
730
830
931
1031
1131
1232
1332
1432
1532
1632
1732
1832
1932
2033
2133
2233
2333
2433
2534
2634
2734
2834
2934
3034

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 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14924198
25023198
35123188
45123188
55322178
65422177
75521177
85621167
95720167
105820166
115919166
126019156
136218155
146218155
156318154
166517144
176517144
186716143
196716143
207015132
217015132
227115122
237314121
247414111
257514101
267514101
27771391
28791380
29801370
30801370

Wind in September

Winds average 6 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:22 AM to 5:54 AM, and sunset from 6:23 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:226:23
213.05:246:21
312.95:256:19
412.95:266:18
512.85:276:16
612.85:286:14
712.75:296:12
812.75:306:10
912.65:316:09
1012.65:326:07
1112.55:336:05
1212.55:346:03
1312.45:366:01
1412.45:375:59
1512.35:385:58
1612.35:395:56
1712.25:405:54
1812.25:415:52
1912.15:425:50
2012.15:435:48
2112.05:445:47
2212.05:455:45
2311.95:475:43
2411.95:485:41
2511.85:495:39
2611.85:505:37
2711.75:515:36
2811.75:525:34
2911.65:535:32
3011.65:545:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.13 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 5.94 kWh/m² in July across the year — September's 4.13 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.0Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Pittsfield?

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

6.5
Sightseeing
2nd-best month of the year
3.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Pittsfield for sightseeing.

What to pack for Pittsfield in September

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

In September, Pittsfield sees daytime highs around 69°F and nights near 52°F. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Pittsfield 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 Pittsfield peaks around July 11 at about 8 (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 highHighModerateLowJul 11UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Pittsfield?

Pittsfield sits at 42.5°N, 73.2°W, 1,004 ft above sea level, in United States. The nearest listed city is Albany, 30 mi away.

Topography around Pittsfield

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

Within 2 miles, the terrain around Pittsfield has only modest variations in elevation — a maximum elevation change of 387 ft around an average of 1,050 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,955 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 3,970 ft.

The land around Pittsfield is covered by trees (64%) within 2 miles, trees (86%) within 10 miles, and trees (87%) within 50 miles.

2 miles
387 ft
10 miles
1,955 ft
50 miles
3,970 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Albany 30 mi · Troy 30 mi · West Albany 32 mi · Northampton 32 mi · Easthampton 32 mi · Cohoes 32 mi · Latham 33 mi · Westfield 34 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 Pittsfield (42.4501°, -73.2454°, elevation 1,004 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).