Tukums weather in September

In September, Tukums sees average daytime highs of 16°C and overnight lows near 10°C, with 59 mm of rain across 11 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 18°C in the first days to 14°C by the end. The sky is clear or mostly clear about 21% 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 Tukums's 6th-clearest and 7th-windiest month. For the whole year in context, see Tukums's year-round climate.

Daytime high
16°
4th warmest
Overnight low
10°
9th coldest
Rainfall
59 mm
11 wet days
Daylight
12 h 30 min
6:07 AM – 6:36 PM
Cloud cover
65%
6th clearest
Wind
16 km/h
7th windiest
Solar energy
2.75 kWh/m²
Travel score
4.8
out of 10

Tukums is city and capital of Tukums Municipality, Latvia.

Density
1,186/km²
people per km²
Founded
1795

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 18°C in the first days to 14°C by the end.

A typical September day in Tukums reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11912
21812
31812
41812
51812
61812
71812
81711
91711
101711
111711
121711
131711
141610
151610
161610
171610
181610
191610
201510
21159
22159
23159
24159
25149
26149
27149
28149
29148
30138

How September really feels in Tukums

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.

Tukums 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-0° / -4°4210.37.67.10.0
Feb-0° / -4°369.46.990.0
Mar / -2°369.44.611.40.0
Apr / 419.51.813.91.8
May15° / 5110.3016.24.3
Jun18° / 12°7211.7017.45.6
Jul21° / 14°7212.5016.96.2
Aug21° / 14°7212.90156.0
Sep16° / 10°5911012.54.8
Oct10° / 7012.90.5102.1
Nov / 5211.83.37.80.2
Dec / -2°4511.46.56.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 62%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
24060
33961
43961
53961
63961
73961
83961
93862
103862
113862
123862
133961
143961
153961
163862
173862
183961
193961
203862
213862
223862
233862
243862
253763
263664
273763
283664
293664
303664

Chance of precipitation in September

Any precipitation

Tukums gets around 59 mm of rain over 11 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 38% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
242
341
441
540
640
740
840
939
1039
1139
1239
1338
1438
1537
1637
1736
1836
1935
2035
2135
2235
2335
2435
2536
2636
2737
2837
2938
3039

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
165323
268302
369292
470282
572262
673252
776231
877221
978211
1080191
1181181
1283161
1384151
1485141
1586131
1688120
1789110
1890100
199190
209280
219280
229370
239370
249370
259460
269460
279550
289550
299550
309640

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light 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 5:36 AM to 6:37 AM, and sunset from 7:18 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:367:18
213.65:387:16
313.55:407:13
413.55:427:10
513.45:447:07
613.35:467:04
713.25:497:02
813.15:516:59
913.15:536:56
1013.05:556:53
1112.95:576:50
1212.85:596:47
1312.76:016:45
1412.66:036:42
1512.66:056:39
1612.56:076:36
1712.46:106:33
1812.36:126:30
1912.26:146:27
2012.16:166:25
2112.16:186:22
2212.06:206:19
2311.96:226:16
2411.86:246:13
2511.76:266:10
2611.66:296:08
2711.66:316:05
2811.56:336:02
2911.46:355:59
3011.36:375:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.75 kWh/m².

For context, solar energy here swings from a low near 0.29 kWh/m² to a high of 5.72 kWh/m² in June across the year — September's 2.75 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.4Moderate
33.4Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.0Moderate
113.0Moderate
122.9Moderate
132.9Moderate
142.8Moderate
152.8Moderate
162.7Moderate
172.7Moderate
182.6Moderate
192.6Moderate
202.5Moderate
212.5Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.3Moderate
262.3Moderate
272.2Moderate
282.2Moderate
292.1Moderate
302.1Moderate
Planning a trip in September

Is September a good time to visit Tukums?

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

4.8
Sightseeing
4th-best month of the year
0.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Tukums for sightseeing.

What to pack for Tukums in September

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

In September, Tukums sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Tukums 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 22 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 Tukums 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 Tukums peaks around June 19 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 19UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May5Moderate
Jun6High
Jul5High
Aug5High
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Tukums?

Tukums sits at 57.0°N, 23.2°E, 62 m above sea level, in Latvia. The nearest listed city is Jūrmala, 37 km away.

JūrmalaJelgavaMārupeRigaDārzciemsKuldīgaSalaspilsMazeikiai

Topography around Tukums

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

Within 3 km, the terrain around Tukums has only modest variations in elevation — a maximum elevation change of 95 m around an average of 62 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 136 m; within 80 km, only modest variations in elevation — a maximum elevation change of 196 m.

The land around Tukums is covered by trees (50%) and grassland (27%) within 3 km, trees (50%), cropland (26%) and grassland (20%) within 16 km, and trees (43%), cropland (23%) and water (21%) within 80 km.

3 km
95 m
16 km
136 m
80 km
196 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Jūrmala 37 km · Jelgava 49 km · Mārupe 55 km · Riga 58 km · Dārzciems 62 km · Kuldīga 73 km · Salaspils 74 km · Mazeikiai 88 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 Tukums (56.9676°, 23.1555°, elevation 62 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).