Mārupe weather in September

In September, Mārupe sees average daytime highs of 16°C and overnight lows near 11°C, with 70 mm of rain across 11.6 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 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 Mārupe's 6th-clearest and 7th-windiest month. For the whole year in context, see Mārupe's year-round climate.

Daytime high
16°
4th warmest
Overnight low
11°
9th coldest
Rainfall
70 mm
11.6 wet days
Daylight
12 h 30 min
6:04 AM – 6:32 PM
Cloud cover
65%
6th clearest
Wind
16 km/h
7th windiest
Solar energy
2.81 kWh/m²
Travel score
4.8
out of 10

Mārupe is town and capital of Mārupe Municipality, Latvia.

Density
1,089/km²
people per km²
Founded
2022

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 Mārupe reaches about 16°C in the afternoon and slips back to 11°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)
11913
21913
31913
41812
51812
61812
71812
81812
91812
101712
111711
121711
131711
141711
151611
161611
171611
181610
191610
201610
211510
221510
231510
241510
25159
26159
27149
28149
29149
30149

How September really feels in Mārupe

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.

Mārupe 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°4611.27.77.20.0
Feb-0° / -4°389.87.490.0
Mar / -2°389.7511.40.0
Apr / 419.31.413.92.0
May15° / 5210.3016.14.5
Jun19° / 12°7311.3017.45.8
Jul22° / 15°7111.7016.96.4
Aug21° / 15°7913014.96.1
Sep16° / 11°7011.6012.54.8
Oct10° / 8014.20.6102.1
Nov / 5912.83.87.80.2
Dec / -2°4912.17.16.60.0

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 18% of September, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
23961
33961
43961
53961
64060
74159
84159
94159
104159
114159
124060
134060
144060
154159
164060
173961
183961
193961
203862
213862
223763
233763
243763
253664
263664
273565
283565
293565
303466

Chance of precipitation in September

Any precipitation

Mārupe gets around 70 mm of rain over 11.6 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
242
341
441
541
641
740
840
940
1040
1140
1240
1340
1440
1539
1639
1739
1838
1938
2038
2138
2238
2338
2438
2538
2638
2738
2838
2939
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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
162353
264333
366313
467303
569283
670273
773252
874242
976222
1077212
1179192
1280182
1382162
1484151
1585141
1686131
1787121
1888111
1989101
2090100
219190
229190
239280
249280
259370
269370
279370
289460
299460
309550

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
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light 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 5:32 AM to 6:34 AM, and sunset from 7:15 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:327:15
213.65:357:12
313.55:377:09
413.55:397:06
513.45:417:03
613.35:437:01
713.25:456:58
813.15:476:55
913.15:496:52
1013.05:516:49
1112.95:536:47
1212.85:556:44
1312.75:586:41
1412.66:006:38
1512.66:026:35
1612.56:046:32
1712.46:066:30
1812.36:086:27
1912.26:106:24
2012.16:126:21
2112.16:146:18
2212.06:176:15
2311.96:196:12
2411.86:216:10
2511.76:236:07
2611.66:256:04
2711.66:276:01
2811.56:295:58
2911.46:315:55
3011.36:345:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.81 kWh/m².

For context, solar energy here swings from a low near 0.29 kWh/m² to a high of 5.91 kWh/m² in June across the year — September's 2.81 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.7Moderate
182.7Moderate
192.6Moderate
202.6Moderate
212.5Moderate
222.5Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.3Moderate
272.3Moderate
282.2Moderate
292.1Moderate
302.1Moderate
Planning a trip in September

Is September a good time to visit Mārupe?

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

September is a reasonable time to visit Mārupe for sightseeing.

What to pack for Mārupe in September

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

In September, Mārupe sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Mārupe 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 25 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
May9Bracing
Jun14Bracing
Jul18Cool
Aug19Cool
Sep16Cool
Oct11Bracing
Nov8Bracing
Dec5Bracing

UV index in Mārupe 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 Mārupe 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 Mārupe 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 Mārupe is worst in June — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 918 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar15Moderate
Apr17Moderate
May18Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov7Good
Dec8Good
Location & terrain

Where is Mārupe?

Mārupe sits at 56.9°N, 24.1°E, 11 m above sea level, in Latvia. The nearest listed city is Riga, 6.0 km away.

JelgavaOgreTukumsSigulda

Topography around Mārupe

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

Within 3 km, the terrain around Mārupe has only modest variations in elevation — a maximum elevation change of 28 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, significant variations in elevation — a maximum elevation change of 277 m.

The land around Mārupe is covered by grassland (35%), trees (34%) and artificial surfaces (24%) within 3 km, trees (46%) and grassland (21%) within 16 km, and trees (44%) and cropland (24%) within 80 km.

3 km
28 m
16 km
52 m
80 km
277 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Riga 6.0 km · Dārzciems 9.0 km · Jūrmala 18 km · Salaspils 20 km · Jelgava 35 km · Ogre 36 km · Tukums 55 km · Sigulda 56 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 Mārupe (56.9054°, 24.0511°, elevation 11 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).