Neheim weather in September

In September, Neheim sees average daytime highs of 18°C and overnight lows near 10°C, with 70 mm of rain across 12.3 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 16°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 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Neheim's 4th-clearest and 7th-windiest month. For the whole year in context, see Neheim's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
70 mm
12.3 wet days
Daylight
12 h 24 min
6:11 AM – 6:34 PM
Cloud cover
67%
4th clearest
Wind
12 km/h
7th windiest
Solar energy
2.98 kWh/m²
Travel score
5.4
out of 10

Neheim is quarter of Arnsberg, Germany.

Density
1,004/km²
people per km²

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 20°C in the first days to 16°C by the end.

A typical September day in Neheim reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52011
61911
71911
81911
91911
101911
111911
121911
131911
141811
151810
161810
171810
181810
191810
201810
211810
221710
231710
241710
251710
26179
27179
28169
29169
30169

How September really feels in Neheim

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.

Neheim 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 / -0°7914.34.98.10.0
Feb / 6512.45.39.60.1
Mar / 7013.72.911.51.6
Apr14° / 5611.40.613.53.7
May17° / 6812.9015.35.1
Jun20° / 12°7413016.35.7
Jul22° / 14°8514.2015.96.0
Aug22° / 13°8413.3014.46.1
Sep18° / 10°7012.3012.45.4
Oct13° / 7012.6010.43.5
Nov / 7213.51.58.61.3
Dec / 8114.74.57.70.1

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 15% of September, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23367
33367
43466
53466
63466
73466
83565
93565
103565
113565
123565
133565
143565
153565
163565
173664
183565
193565
203565
213565
223565
233565
243466
253268
263268
273169
283070
292971
302773

Chance of precipitation in September

Any precipitation

Neheim gets around 70 mm of rain over 12.3 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 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
142
242
342
442
542
642
742
843
943
1042
1142
1242
1341
1441
1541
1640
1740
1840
1940
2040
2140
2240
2340
2441
2541
2642
2743
2844
2944
3045

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167258
268257
369256
469256
571245
671245
772244
873234
973234
1074224
1176213
1277203
1378193
1479183
1580173
1682162
1783152
1884142
1985132
2086131
2187121
2287121
2388111
2488111
2588111
2689110
2789110
2889110
2990100
3090100

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over September. Sunrise moves from 5:46 AM to 6:34 AM, and sunset from 7:09 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:467:09
213.35:487:07
313.35:497:05
413.25:517:03
513.15:537:00
613.15:546:58
713.05:566:55
812.95:586:53
912.95:596:51
1012.86:016:48
1112.76:036:46
1212.76:046:44
1312.66:066:41
1412.56:086:39
1512.56:096:36
1612.46:116:34
1712.36:126:32
1812.36:146:29
1912.26:166:27
2012.16:176:25
2112.16:196:22
2212.06:216:20
2311.96:226:17
2411.86:246:15
2511.86:266:13
2611.76:276:10
2711.66:296:08
2811.66:316:05
2911.56:326:03
3011.46:346:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 2.98 kWh/m².

For context, solar energy here swings from a low near 0.59 kWh/m² to a high of 5.24 kWh/m² in June across the year — September's 2.98 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.4Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.1Moderate
133.1Moderate
143.1Moderate
153.0Moderate
163.0Moderate
173.0Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.7Moderate
232.7Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.4Moderate
292.3Moderate
302.3Moderate
Planning a trip in September

Is September a good time to visit Neheim?

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

5.4
Sightseeing
4th-best month of the year
1.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Neheim for sightseeing.

What to pack for Neheim in September

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

In September, Neheim sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Neheim in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Neheim peaks around July 14 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 6Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Neheim?

Neheim sits at 51.5°N, 8.0°E, 177 m above sea level, in Germany. The nearest listed city is Arnsberg, 11 km away.

Topography around Neheim

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

Within 3 km, the terrain around Neheim has only modest variations in elevation — a maximum elevation change of 172 m around an average of 212 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 861 m.

The land around Neheim is covered by trees (67%) within 3 km, trees (51%) and cropland (26%) within 16 km, and trees (51%) and cropland (25%) within 80 km.

3 km
172 m
16 km
474 m
80 km
861 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Arnsberg 11 km · Werl 12 km · Menden 13 km · Sundern 14 km · Fröndenberg 14 km · Hemer 16 km · Soest 17 km · Iserlohn 20 km

Germany travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 80% of US
price level, 2025
GDP per capita
$60,496
2025
Happiness
6.9 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
0.9
per 100k, 2023
Road deaths
3.8
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 615
Religion
none 44%Roman Catholic 25%Protestant 23%other 5%

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 Neheim (51.4505°, 7.9703°, elevation 177 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).