Holden weather in September

In September, Holden sees average daytime highs of 72°F and overnight lows near 55°F, with 3.6 in of rain across 8.5 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 77°F in the first days to 68°F by the end. The sky is clear or mostly clear about 38% 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 Holden's 1st-clearest and 9th-windiest month. For the whole year in context, see Holden's year-round climate.

Daytime high
72°
4th warmest
Overnight low
55°
9th coldest
Rainfall
3.6 in
8.5 wet days
Daylight
12 h 18 min
5:33 AM – 5:50 PM
Cloud cover
55%
1st clearest
Wind
7 mph
9th windiest
Solar energy
4.13 kWh/m²
Travel score
6.9
out of 10

Holden is town in Worcester County, Massachusetts, United States.

Founded
1723

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 77°F in the first days to 68°F by the end.

A typical September day in Holden reaches about 72°F in the afternoon and slips back to 55°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 82°F. Set against its neighbours, September runs about 8°F cooler than August and about 12°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17760
27759
37759
47659
57658
67658
77558
87558
97557
107457
117457
127456
137356
147356
157355
167255
177255
187154
197154
207154
217053
227053
237053
246952
256952
266852
276851
286851
296750
306750

How September really feels in Holden

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.

Holden 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
Jan34° / 20°3.49.86.49.30.0
Feb37° / 21°3.18.65.710.30.0
Mar44° / 29°4.210.75.211.60.9
Apr56° / 39°3.711.31.513.13.7
May67° / 49°3.210.8014.45.9
Jun76° / 58°3.911.50156.5
Jul82° / 64°3.610.6014.86.2
Aug80° / 63°3.810.2013.76.6
Sep72° / 55°3.68.5012.36.9
Oct60° / 44°3.99.80.310.85.0
Nov49° / 35°3.49.11.29.62.1
Dec39° / 26°4.310.55.590.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45149
55248
65248
75248
85347
95347
105347
115347
125347
135347
145446
155446
165347
175347
185347
195248
205248
215248
225149
235248
245248
255248
265248
275248
285248
295248
305248

Chance of precipitation in September

Any precipitation

Holden gets around 3.6 in of rain over 8.5 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 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
125
225
326
426
526
627
727
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1828
1928
2028
2129
2229
2329
2429
2530
2630
2730
2831
2931
3031

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 54% 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 (%)
1362819153
2372718153
3382718142
4392718142
5402618132
6422618132
7432518122
8442518122
9452418121
10462318111
11482318111
12492218111
13512117101
14512117101
1554201790
1655191790
1756191780
1858181680
1958181680
2060181570
2160181570
2262171470
2364171360
2464171360
2566171250
2667171150
2769161140
2870161040
297116940
307315930

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:17 AM to 5:49 AM, and sunset from 6:17 PM to 5:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:176:17
213.05:186:16
312.95:196:14
412.95:206:12
512.85:216:10
612.85:226:08
712.75:246:07
812.75:256:05
912.65:266:03
1012.65:276:01
1112.55:285:59
1212.55:295:58
1312.45:305:56
1412.45:315:54
1512.35:325:52
1612.35:335:50
1712.25:345:48
1812.25:365:47
1912.15:375:45
2012.15:385:43
2112.05:395:41
2212.05:405:39
2311.95:415:37
2411.95:425:36
2511.85:435:34
2611.85:445:32
2711.75:455:30
2811.75:475:28
2911.65:485:26
3011.65:495:25

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 1.61 kWh/m² to a high of 5.87 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
84.4Bright
94.4Bright
104.3Bright
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
293.6Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Holden?

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

6.9
Sightseeing
1st-best month of the year
5.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Holden for sightseeing.

What to pack for Holden in September

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

In September, Holden sees daytime highs around 72°F and nights near 55°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Holden 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 Holden 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 December 23 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 10UV 7Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar4Moderate
Apr5High
May7Very high
Jun7Very high
Jul8Very high
Aug5High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Holden?

Holden sits at 42.4°N, 71.9°W, 820 ft above sea level, in United States. The nearest listed city is Worcester, 6.8 mi away.

Topography around Holden

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

Within 2 miles, the terrain around Holden has only modest variations in elevation — a maximum elevation change of 538 ft around an average of 804 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,732 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,176 ft.

The land around Holden is covered by trees (84%) within 2 miles, trees (81%) within 10 miles, and trees (87%) within 50 miles.

2 miles
538 ft
10 miles
1,732 ft
50 miles
3,176 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Worcester 6.8 mi · Shrewsbury 8.7 mi · Auburn 11 mi · Leominster 13 mi · Grafton 14 mi · Marlborough 16 mi · Fitchburg 16 mi · Gardner 17 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 Holden (42.3518°, -71.8634°, elevation 820 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).