Pully weather in September

In September, Pully sees average daytime highs of 18°C and overnight lows near 12°C, with 108 mm of rain across 11.7 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 31% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Pully's 4th-clearest and 10th-windiest month. For the whole year in context, see Pully's year-round climate.

Daytime high
18°
4th warmest
Overnight low
12°
9th coldest
Rainfall
108 mm
11.7 wet days
Daylight
12 h 18 min
6:18 AM – 6:37 PM
Cloud cover
57%
4th clearest
Wind
5 km/h
10th windiest
Solar energy
3.72 kWh/m²
Travel score
5.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 17°C by the end.

A typical September day in Pully reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, September runs about 4°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12014
22014
32014
42014
52013
62013
71913
81913
91913
101913
111913
121913
131913
141912
151812
161812
171812
181812
191812
201812
211812
221812
231712
241711
251711
261711
271711
281711
291711
301611

How September really feels in Pully

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Pully 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10812.76.88.80.0
Feb / 9611.36.9100.3
Mar / 9412.34.411.61.8
Apr13° / 9012.32.213.33.2
May16° / 120140.414.84.7
Jun20° / 13°10612.8015.55.9
Jul22° / 15°11812.2015.26.6
Aug22° / 15°11612.40146.5
Sep18° / 12°10811.7012.45.7
Oct14° / 10112.40.310.73.9
Nov / 11613.13.29.21.6
Dec / 12513.56.68.40.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15644
25743
35644
45644
55644
65644
75545
85545
95545
105446
115446
125347
135248
145248
155149
165050
175050
184852
194852
204852
214654
224654
234555
244456
254357
264357
274159
284159
294159
304060

Chance of precipitation in September

Any precipitation

Pully gets around 108 mm of rain over 11.7 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 40% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
439
539
639
739
839
939
1039
1139
1239
1339
1439
1539
1639
1739
1839
1939
2039
2139
2239
2339
2439
2540
2641
2741
2842
2943
3043

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14731211
24832201
34932181
45132170
55133160
65333140
75433130
85434120
95534110
105535100
115535100
12563590
13573580
14583570
15593470
16603460
17613360
18633250
19643150
20663040
21682930
22692830
23712720
24722620
25732520
26762310
27772210
28782110
29801910
30821800

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:58 AM to 6:37 AM, and sunset from 7:08 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:587:08
213.15:597:06
313.16:017:04
413.06:027:02
512.96:037:00
612.96:056:58
712.86:066:56
812.86:076:54
912.76:096:52
1012.76:106:50
1112.66:116:48
1212.66:136:46
1312.56:146:44
1412.46:156:42
1512.46:176:40
1612.36:186:37
1712.36:196:35
1812.26:216:33
1912.26:226:31
2012.16:236:29
2112.06:256:27
2212.06:266:25
2311.96:276:23
2411.96:296:21
2511.86:306:19
2611.86:316:17
2711.76:336:15
2811.66:346:13
2911.66:356:11
3011.56:376:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.72 kWh/m².

For context, solar energy here swings from a low near 1.09 kWh/m² to a high of 5.77 kWh/m² in June across the year — September's 3.72 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
74.1Bright
84.1Bright
94.0Bright
104.0Moderate
113.9Moderate
123.9Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.5Moderate
213.5Moderate
223.4Moderate
233.4Moderate
243.3Moderate
253.3Moderate
263.2Moderate
273.2Moderate
283.1Moderate
293.1Moderate
303.0Moderate
Planning a trip in September

Is September a good time to visit Pully?

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

5.7
Sightseeing
4th-best month of the year
2.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Pully for sightseeing.

What to pack for Pully in September

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

In September, Pully sees daytime highs around 18°C and nights near 12°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Pully in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pully peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 15UV 9Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5Moderate
May7High
Jun8Very high
Jul9Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Pully?

Pully sits at 46.5°N, 6.7°E, 428 m above sea level, in Switzerland. The nearest listed city is Lausanne, 2.0 km away.

Thonon-les-BainsMontreuxYverdon-les-BainsBulle

Topography around Pully

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Pully.

Within 3 km, the terrain around Pully has significant variations in elevation — a maximum elevation change of 456 m around an average of 480 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,386 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,495 m.

The land around Pully is covered by water (36%), trees (33%) and artificial surfaces (24%) within 3 km, water (35%) and trees (25%) within 16 km, and trees (47%) and grassland (34%) within 80 km.

3 km
456 m
16 km
1,386 m
80 km
4,495 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
September weather nearby: Lausanne 2.0 km · Renens 7.0 km · Morges 12 km · Vevey 15 km · Thonon-les-Bains 21 km · Montreux 21 km · Yverdon-les-Bains 30 km · Bulle 32 km

Switzerland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / J
230 V · 50 Hz
Prices
≈ 112% of US
price level, 2025
GDP per capita
$114,769
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
0.6
per 100k, 2023
Road deaths
2.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 564
Religion
Roman Catholic 34%none 29%Protestant 23%other Christian 6%

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 Pully (46.5103°, 6.6618°, elevation 428 m), 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).