Sigulda weather in September

In September, Sigulda sees average daytime highs of 16°C and overnight lows near 9°C, with 62 mm of rain across 11.5 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 14°C by the end. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of September to 11 h 18 min by month's end. Set against the rest of the year, September is Sigulda's 6th-clearest and 7th-windiest month. For the whole year in context, see Sigulda's year-round climate.

Daytime high
16°
4th warmest
Overnight low
9th coldest
Rainfall
62 mm
11.5 wet days
Daylight
12 h 30 min
6:01 AM – 6:29 PM
Cloud cover
67%
6th clearest
Wind
14 km/h
7th windiest
Solar energy
2.71 kWh/m²
Travel score
4.8
out of 10

Sigulda is city and capital of Sigulda Municipality, Latvia.

Density
666/km²
people per km²
Founded
1207

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 19°C in the first days to 14°C by the end.

A typical September day in Sigulda reaches about 16°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11911
21911
31911
41910
51810
61810
71810
81810
91810
101710
11179
12179
13179
14179
15169
16169
17169
18168
19168
20168
21158
22158
23158
24158
25157
26147
27147
28147
29147
30137

How September really feels in Sigulda

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.

Sigulda weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -6°5011.99.87.10.0
Feb-1° / -6°4310.18.190.0
Mar / -3°4210.16.111.40.1
Apr11° / 449.41.713.92.6
May16° / 5710.90.116.25.1
Jun20° / 11°8512.7017.55.8
Jul22° / 13°8313.40176.2
Aug21° / 13°8413.20156.0
Sep16° / 6211.5012.54.8
Oct10° / 7513.50.8101.9
Nov / 5812.13.87.80.1
Dec / -3°5212.28.36.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23565
33664
43664
53664
63763
73862
83862
93961
103862
113862
123862
133862
143862
153862
163862
173862
183664
193664
203664
213664
223466
233466
243367
253367
263367
273268
283169
293169
303070

Chance of precipitation in September

Any precipitation

Sigulda gets around 62 mm of rain over 11.5 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 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
241
341
440
540
640
740
839
939
1039
1139
1238
1338
1437
1537
1637
1737
1837
1937
2037
2137
2237
2337
2438
2538
2639
2739
2840
2941
3041

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
171272
273261
374251
475241
576231
678211
779201
880191
981181
1082171
1183161
1284151
1386131
1487121
1588111
1689101
179091
189280
199370
209370
219460
229550
239550
249550
259640
269640
279640
289730
299730
309730

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 42 min at the start of September to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 144 minutes over September. Sunrise moves from 5:29 AM to 6:30 AM, and sunset from 7:12 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:297:12
213.65:317:09
313.65:337:06
413.55:357:03
513.45:377:01
613.35:396:58
713.25:416:55
813.15:446:52
913.15:466:49
1013.05:486:46
1112.95:506:44
1212.85:526:41
1312.75:546:38
1412.65:566:35
1512.65:586:32
1612.56:016:29
1712.46:036:26
1812.36:056:24
1912.26:076:21
2012.16:096:18
2112.16:116:15
2212.06:136:12
2311.96:156:09
2411.86:186:06
2511.76:206:03
2611.66:226:01
2711.66:245:58
2811.56:265:55
2911.46:285:52
3011.36:305:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.71 kWh/m².

For context, solar energy here swings from a low near 0.28 kWh/m² to a high of 5.74 kWh/m² in June across the year — September's 2.71 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.2Moderate
272.1Moderate
282.1Moderate
292.0Moderate
302.0Dim
Planning a trip in September

Is September a good time to visit Sigulda?

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

4.8
Sightseeing
5th-best month of the year
1.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Sigulda for sightseeing.

What to pack for Sigulda in September

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

In September, Sigulda sees daytime highs around 16°C and nights near 9°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Sigulda in September

The nearest coast averages about 16°C 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 38 km away) is warmest in August at about 19°C and coldest in February near 1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan2Bracing
Feb1Bracing
Mar1Bracing
Apr3Bracing
May8Bracing
Jun14Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct11Bracing
Nov8Bracing
Dec5Bracing

UV index in Sigulda in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sigulda peaks around June 20 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low

Air quality in Sigulda 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 Sigulda is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (January, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1516 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar14Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Sigulda?

Sigulda sits at 57.2°N, 24.9°E, 0 m above sea level, in Latvia. The nearest listed city is Cēsis, 31 km away.

CēsisOgreSalaspilsDārzciemsRigaValmieraMārupeJūrmala

Topography around Sigulda

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

Within 3 km, the terrain around Sigulda has only modest variations in elevation — a maximum elevation change of 112 m around an average of 86 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 177 m; within 80 km, significant variations in elevation — a maximum elevation change of 317 m.

The land around Sigulda is covered by trees (49%), grassland (20%) and cropland (20%) within 3 km, trees (61%) within 16 km, and trees (58%) within 80 km.

3 km
112 m
16 km
177 m
80 km
317 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Cēsis 31 km · Ogre 40 km · Salaspils 44 km · Dārzciems 47 km · Riga 51 km · Valmiera 55 km · Mārupe 56 km · Jūrmala 69 km

Latvia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$26,312
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2.5
per 100k, 2023
Road deaths
8.1
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 599
Religion
Lutheran 36%unspecified/none 24%Roman Catholic 20%Orthodox 19%

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 Sigulda (57.1538°, 24.8595°, elevation 0 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. 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).